Tides, Weather & Water Conditions
This page gathers several useful resources in one place, including tide charts, weather forecasts, sunrise and sunset times, and current boating and fishing conditions for Bar Harbor, Frenchman Bay, and Acadia National Park. These links can help you plan your day on the water, explore tide pools, or catch the perfect sunrise or sunset.
🌊 Tide Charts
These sites show accurate tides (high/low times and heights) for Bar Harbor and nearby harbors:
Tide-Forecast.com – Bar Harbor
Tides and Currents – Bar Harbor
Tides Charts and Tables - Frenchman Bay
☀️ Sunrise & Sunset Times
These sites provide sunrise/sunset, golden hour, twilight times (useful for planning photography or sunset dining):
TimeandDate – Acadia
TimeandDate – Bar Harbor
SunriseSunset.com – Acadia
🌤 Weather Forecasts (Current Conditions & Hourly/Daily)
National Weather Service – Bar Harbor/Acadia Forecast
Weather.com – Bar Harbor
AccuWeather – Bar Harbor
📌 Useful Combined Tools
Tide + Sun + Weather in one place:
Tides4Fishing (Bar Harbor) – tide times, weather, wind & moonphase
Wind, Wave and Weather:
WindFinder (Frenchman Bay) – tides, wind, water temps
Tides, Weather, Boating, Fishing
🍁 Foliage Tracker
Maine Foliage Tracker - When and where to find the best fall colors
🌌 Northern Lights
NOAA’s aurora forecaster - Space Weather Prediction Center
(National Oceanic And Atmospheric Administration)
Live Webcams Around Bar Harbor & Acadia
See what it looks like right now! Explore live and regularly updated webcams around Bar Harbor, Mount Desert Island, and Acadia National Park for current views, weather, fog, visibility, wildlife, and changing conditions.
🌊 Bar Harbor & Frenchman Bay Live Cam
Enjoy a live view across Frenchman Bay from Bar Harbor, including the waterfront, ferry terminal, and the sandbar leading to Bar Island.
🏞️ Acadia National Park Webcams
The official National Park Service webcam page, with views from around Acadia, including Jordan Pond and McFarland Hill, plus a link to the Frenchman Bay camera.
📹 Downtown Bar Harbor Webcam From Geddy's
For a live look at conditions in downtown Bar Harbor, use the Geddy’s Webcam to view Main Street, the waterfront and Frenchman Bay in real time.
⛰️ Jordan Pond Webcam
For a current look at conditions around Jordan Pond and the surrounding mountains, use the Jordan Pond Webcam link on the official Acadia webcam page above.
🌦️ McFarland Hill Air Quality & Visibility Cam
See current visibility and conditions looking northeast from McFarland Hill. This camera is also accessed from the official Acadia webcam page above.
📷 Eye on Acadia Webcam
Acadia's portable webcam provides changing views from around the park. When operating, the image refreshes about once each minute. NPS notes that this camera operates intermittently.
🦅 Bar Harbor Osprey Live Cam
Watch a live osprey nest in Bar Harbor through this HD stream provided by EarthCam in partnership with Mount Desert Island High School and Versant Power.
🐧 Watch the Maine Puffin Live Cams
Not located in Acadia, but too much fun not to include! Watch Maine's Atlantic puffins live from their offshore nesting colony on Seal Island National Wildlife Refuge.
WHEN TO VISIT
Bar Harbor, Acadia & Mount Desert Island
A Month-by-Month Guide
Weather • Water • Wildlife • Trails • Bugs • Crowds • Seasonal Openings
There is no single “best” time to visit Mount Desert Island. The right month depends on whether you want warm weather, wildlife, boating, hiking, fall foliage, fewer crowds, or winter solitude. Coastal weather changes quickly, and seasonal opening dates, trail closures, wildlife, foliage and water conditions vary from year to year.
AT A GLANCE
A quick feel for each month
Month
Overall Character
Especially Good For
January
February
March
April
May
June
July
August
September
October
November
December
Cold, quiet, wintry
Deep winter
Winter-to-spring transition
Cool, wet, early spring
Green-up & reopening season
Early summer
Peak summer
Full summer
Late-summer sweet spot
Fall foliage & seasonal transition
Quiet late fall
Early winter
Solitude, snow scenery, winter birding
Snowshoeing, cross-country skiing
Quiet visits, photography
Spring runoff, waterfalls, few crowds
Birding, spring wildlife, hiking, waterfalls
Hiking, boating, wildlife, long days
Families, boating, swimming, tours
Water activities, wildlife, boating
Hiking, boating, fewer crowds
Hiking, biking, photography, foliage
Solitude, dramatic coastal scenery
Winter scenery, quiet getaways
BEST TIME TO VISIT
Choose the season by what you want to do
Hiking
May and June
September–October
Most services open
Mid May thru September
Puffin excursions
Late spring–summer via offshore boat trips
Canoeing & kayaking
Summer–early fall
Winter solitude
December–March
Carriage-road biking
June–October; spring closures may occur during mud season
Sailing & boating
June–September
Freshwater swimming
July–September, but the water remains cold
Fall foliage
Usually early–mid October; timing varies
Spring bird migration
May–June
Waterfalls & cascades
April–May, especially after snowmelt and spring rains
Whale-watching excursions
Primarily summer–early fall
Fishing
Spring–fall depending on species and regulations
Avoid peak black flies
Late June onward is generally better
Fall bird & raptor migration
September–October
JANUARY
Winter Solitude
~ ❄️ ❄️ ❄️ ~
PROS
Very few visitors, peaceful scenery, winter photography and solitude.
CONS
Cold, short daylight, icy conditions, limited seasonal businesses and major park road closures.
BEST FOR
Winter photography • solitude • snowshoeing • cross-country skiing
CROWDS
Very low.
WEATHER & CONDITIONS
Cold, snowy and icy, with occasional winter rain or mixed precipitation. Coastal storms can bring strong wind and rough seas.
WATER, BOATING & PADDLING
Ocean water is dangerously cold. Recreational paddling is generally inappropriate for typical visitors. Observe storm surf from a safe distance.
TRAILS & OUTDOOR RECREATION
Snow and ice can obscure trails and make mountain hiking hazardous. Snowshoeing and cross-country skiing can be good alternatives when snow conditions cooperate.
WILDLIFE, BIRDS & BUGS
Wintering sea ducks, bald eagles, deer and other winter birds can be highlights. Mosquitoes and black flies are essentially absent; ticks are much less active in sustained cold.
FEBRUARY
Deep Winter
~ ⛄ 🥶 ⛄ ~
PROS
Quiet landscapes and winter recreation without summer crowds.
CONS
Limited services, cold weather and unpredictable snow conditions.
BEST FOR
Snow recreation • quiet weekends • winter photography
CROWDS
Very low.
WEATHER & CONDITIONS
Cold winter weather continues, with snow, ice and coastal freeze-thaw cycles possible.
WATER, BOATING & PADDLING
Very cold water and winter marine conditions make this an off-season month for ordinary recreational boating and paddling.
TRAILS & OUTDOOR RECREATION
Mountain trails may be icy or snow-covered. Snowshoeing and cross-country skiing are often better choices when conditions allow.
WILDLIFE, BIRDS & BUGS
Good potential for winter waterbirds and bald eagles. Bugs are essentially nonexistent.
MARCH
Winter Begins Letting Go
~ 🌨️ 💨 🌨️ ~
PROS
Solitude and changing-season photography.
CONS
Unpredictable weather, mud, lingering ice and limited seasonal services.
BEST FOR
Quiet travelers • photographers • flexible visitors
CROWDS
Very low.
WEATHER & CONDITIONS
One of the least predictable months: snow, rain, ice, wind, fog and occasional mild days can all occur.
WATER, BOATING & PADDLING
Still generally too early for typical recreational ocean paddling. Cold-water risk remains severe.
TRAILS & OUTDOOR RECREATION
Freeze-thaw cycles create ice, mud and wet trails. Conditions may change quickly from one elevation to another.
WILDLIFE, BIRDS & BUGS
Spring migration begins gradually. Bugs are usually minimal, although ticks can become active on warmer days.
APRIL
Early Spring, Waterfalls & the Beginning of the Season
~ 🌧️🌱🌧️ ~
PROS
Spring runoff, waterfalls and cascades, solitude, photography and early birding.
CONS
Mud, wet trails, cold water, limited businesses and unpredictable weather.
BEST FOR
Waterfalls & cascades • birding • photography • quiet exploring
CROWDS
Low.
WEATHER & CONDITIONS
Cool, wet and highly changeable. Rain, late snow, fog and lingering ice are possible. Spring thaw and rain increase runoff.
WATER, BOATING & PADDLING
Cold water continues to limit boating and paddling. Spring runoff can make streams, cascades and small waterfalls especially impressive.
TRAILS & OUTDOOR RECREATION
Expect mud, standing water, slippery granite and lingering ice. Carriage roads may close temporarily during mud season to protect saturated surfaces.
WILDLIFE, BIRDS & BUGS
Spring migration increases. Mosquito pressure is usually still low, while ticks become more relevant as temperatures rise.
MAY
Spring Wildlife & the Island Reopens
~ 🌸 🌥️ 🌸 ~
PROS
Birding, spring wildlife, waterfalls, wildflowers, hiking before peak crowds and the reopening of seasonal businesses.
CONS
Black flies, cold water, variable weather and not everything is open in early May.
BEST FOR
Birding • spring wildlife • waterfalls • wildflowers • quieter hiking
CROWDS
Low to moderate, increasing around Memorial Day.
WEATHER & CONDITIONS
Days become increasingly pleasant, but mornings and evenings remain cool. Showers, fog and cool coastal breezes are common. Spring runoff may remain strong.
WATER, BOATING & PADDLING
Commercial boating and sightseeing begin returning during the month, but ocean water remains very cold. Weather can still cancel trips.
TRAILS & OUTDOOR RECREATION
Later May can be beautiful for hiking, but expect mud, wet rock and spring insects. Wildlife-protection closures can affect cliff trails.
WILDLIFE, BIRDS & BUGS
Excellent spring migration. Harbor seal pupping season begins along the Maine coast. Black flies usually become most numerous from roughly mid-May into June; ticks are active.
---------------------------------------
WHAT OPENS & CHANGES
May is the major reopening month. Many seasonal restaurants, stores, attractions and tours reopen, especially from mid- to late May. Hulls Cove Visitor Center opens May 1 in 2026. Bar Harbor paid parking begins May 15 and is seasonally enforced through October 30. Sightseeing cruises and sailing trips commonly begin during May, with schedules varying by operator and weather.
PEREGRINE FALCON NESTING CLOSURES
Acadia temporarily closes selected cliff trails and areas during peregrine nesting season. Closures can include the Precipice, Jordan Cliffs and other nesting areas. Reopening dates are not fixed: park biologists reopen areas only after nesting activity no longer requires protection. Always check current trail closures before planning these hikes.
JUNE
Early Summer — Wildlife, Hiking & Long Days
~ 🌳 🌤️ 🌳 ~
PROS
One of the best all-around months: wildlife, hiking, boating and long days without quite the July–August crowds.
CONS
Fog, mosquitoes and lingering black flies early in the month.
BEST FOR
Hiking • boating • wildlife • birding • long daylight
CROWDS
Moderate.
WEATHER & CONDITIONS
Comfortable days and cool nights are common. Fog becomes more frequent along the coast, and rain remains possible.
WATER, BOATING & PADDLING
Primary boating season is underway. Sailing, nature cruises, fishing trips, lobster cruises, whale excursions and guided kayaking are widely available. Ocean paddlers must account for cold water, tides, fog and changing seas.
TRAILS & OUTDOOR RECREATION
Excellent hiking and long daylight. Nearly the full range of seasonal activities is available. Some peregrine nesting closures may continue until biologists determine chicks have fledged safely.
WILDLIFE, BIRDS & BUGS
Good for loons, eagles, osprey, peregrines, seals, porpoises, seabirds and offshore wildlife trips. Black flies decline as the month progresses; mosquitoes and ticks remain active.
--------------------------------------
WHAT OPENS & CHANGES
By June, Mount Desert Island is largely in full visitor-season mode. Most seasonal restaurants, shops, attractions, visitor services and boat tours are operating. Peregrine nesting closures can continue into summer, depending on the birds.
JULY
Peak Summer
~ ☀️ ⛵ ☀️ ~
PROS
Maximum choice of activities, tours, restaurants and services.
CONS
Peak crowds, traffic, parking pressure and higher lodging demand.
BEST FOR
Families • first-time visitors • boating • swimming • tours
CROWDS
Very high.
WEATHER & CONDITIONS
Among the warmest months, but coastal weather remains variable. Fog is common and cool rainy periods can interrupt warm sunny weather.
WATER, BOATING & PADDLING
Peak season for sailing, cruises, fishing, kayaking, canoeing and other water activities. Lakes are much more comfortable for swimming than the ocean.
TRAILS & OUTDOOR RECREATION
Excellent hiking, but popular trailheads and parking areas can be extremely busy. Early starts are especially useful.
WILDLIFE, BIRDS & BUGS
Good season for seals, porpoises, offshore whales, puffin excursions, peregrines, loons, eagles, osprey and seabirds. Black flies are usually much reduced; mosquitoes and ticks remain possible.
AUGUST
Warm Water & Full Summer
~ ☀️ 🏖️ ☀️ ~
PROS
Warmest overall water recreation and nearly every seasonal activity operating.
CONS
Crowds, traffic, fog and occasional hot hiking conditions.
BEST FOR
Water recreation • wildlife cruises • boating • families
CROWDS
Very high early in the month, gradually easing later.
WEATHER & CONDITIONS
Warm days, cooler coastal nights and continued fog are possible. Late-summer thunderstorms and occasional storm systems can occur.
WATER, BOATING & PADDLING
One of the strongest months for lake swimming, canoeing, kayaking, sailing, boating and fishing. The ocean remains cold even when air temperatures are warm.
TRAILS & OUTDOOR RECREATION
Very good hiking, though exposed granite can feel hot on sunny afternoons.
WILDLIFE, BIRDS & BUGS
Excellent period for boat-based marine wildlife trips. Mosquitoes are possible, black flies are usually far less troublesome, and ticks remain active.
SEPTEMBER
One of the Sweet Spots
~ 🍂 ⛈️ 🍂 ~
PROS
Good weather, warm water relative to spring, fewer insects, lighter crowds and most seasonal services still open.
CONS
Shorter days and increasing chance of cool or stormy weather later in the month.
BEST FOR
Hiking • couples • birding • boating • photography
CROWDS
Moderate, generally declining after Labor Day.
WEATHER & CONDITIONS
Mild days and cooler evenings. Weather remains pleasant but fall storm systems and occasional tropical remnants can affect the region.
WATER, BOATING & PADDLING
Boating, sailing, kayaking and fishing often remain excellent. Ocean temperatures lag behind air temperatures and retain summer warmth longer.
TRAILS & OUTDOOR RECREATION
Outstanding hiking conditions: cooler temperatures, lower humidity and fewer insects.
WILDLIFE, BIRDS & BUGS
Excellent fall bird migration and raptor watching. Marine excursions continue while operators remain in season. Mosquitoes decline; ticks remain active.
OCTOBER
Fall Foliage & the Gradual End of the Season
~ 🍁 💨 🍁 ~
PROS
Foliage, cool hiking weather, photography, biking and few biting insects.
CONS
The later the visit, the more restaurants, stores, tours and seasonal services close or reduce hours.
BEST FOR
Fall foliage • hiking • biking • photography • bird migration
CROWDS
Moderate to high on foliage weekends, then falling sharply.
WEATHER & CONDITIONS
Cool days and increasingly cold nights. Sunny foliage days alternate with rain, wind and occasional stormy periods.
WATER, BOATING & PADDLING
Early October can still offer good boating days, but colder temperatures, wind and progressive tour closures reduce options later in the month.
TRAILS & OUTDOOR RECREATION
Excellent hiking and carriage-road biking. Wet leaves, frost and early ice can make trails slippery later in October.
WILDLIFE, BIRDS & BUGS
Fall migration continues, including raptors and waterfowl. Mosquitoes and black flies are minimal, but ticks can still be active.
--------------------------------------
WHAT OPENS & CHANGES
October is both foliage season and the beginning of the seasonal shutdown. Early October can still feel like the regular visitor season. Around mid-month, some businesses and tours begin reducing schedules or closing; the change becomes much more noticeable in late October. Hulls Cove Visitor Center closes October 31 in 2026. Bar Harbor paid parking is enforced through October 30.
NOVEMBER
Quiet Coastal Maine
~ 🌨️ 🌬️ 🌨️ ~
PROS
Solitude, photography and dramatic coastal scenery.
CONS
Many seasonal businesses are closed, daylight is short and weather can be harsh.
BEST FOR
Solitude • coastal scenery • photography
CROWDS
Very low.
WEATHER & CONDITIONS
Cold, windy and often gray. Rain may mix with snow, and coastal storms can produce dramatic surf.
WATER, BOATING & PADDLING
Recreational boating and tours are largely winding down or finished. Water is cold and conditions can be rough.
TRAILS & OUTDOOR RECREATION
Hiking is possible in suitable weather, but daylight is short and freezing conditions become more common.
WILDLIFE, BIRDS & BUGS
Migrating and wintering waterbirds become more prominent. Bugs are minimal.
DECEMBER
Early Winter
~ ❄️ 🧊 ❄️ ~
PROS
Winter scenery, quiet getaways and holiday-season visits.
CONS
Limited services, road closures, cold weather and variable snow.
BEST FOR
Winter scenery • quiet getaways • birding • photography
CROWDS
Very low.
WEATHER & CONDITIONS
Snow, rain, freezing rain and strong coastal winds are all possible. Snow cover varies greatly from year to year.
WATER, BOATING & PADDLING
Cold-water and winter-weather hazards dominate. Typical sightseeing and paddling seasons are over.
TRAILS & OUTDOOR RECREATION
Depending on snowfall: snowshoeing, cross-country skiing, winter walks and photography become possible. Much of Park Loop Road is closed to motor vehicles in winter.
WILDLIFE, BIRDS & BUGS
Wintering sea ducks and bald eagles can make coastal birding interesting. Bugs are essentially absent.
SEASONAL PLANNING NOTES
A few things worth knowing before you choose your dates
Spring runoff: Snowmelt and spring rains can make Acadia’s streams, cascades and small waterfalls much more plentiful in April and May. The same conditions can create muddy trails and temporary carriage-road closures.
Seasonal businesses: May is the principal reopening month for seasonal restaurants, stores, attractions and tours. By June, nearly everything is operating. October is the reverse transition: early October remains active, while closures and reduced schedules become increasingly common from mid- to late October.
Island Explorer: Acadia’s free Island Explorer bus system operates seasonally, generally beginning in late June and continuing into October, with schedules and routes changing during the season. It connects Bar Harbor, Acadia National Park and many locations around Mount Desert Island. The Island Explorer does not provide service to the summit of Cadillac Mountain.
Cadillac Summit Road: Vehicle reservations are required to drive Cadillac Summit Road during the reservation season, generally from late May through October. A park entrance pass alone does not provide access to the summit road. Reservations are limited and can sell out, particularly for sunrise. Cadillac Summit Road may also close temporarily because of snow, ice, severe weather or other unsafe conditions.
Park Loop Road: Most of Park Loop Road remains accessible throughout the year, but the section between Jordan Pond and Cadillac Mountain generally closes to vehicles for the winter. Weather, snow and ice can cause additional temporary road closures or delayed spring openings.
Bar Harbor parking: Paid parking begins May 15 and is enforced through October 30 under the town’s seasonal parking policy.
Trail & carriage-road closures: Peregrine falcon nesting can temporarily close cliff trails and climbing areas. Dates vary annually. Carriage roads may also close temporarily during the spring thaw or after periods of heavy rain to prevent damage.
Important: Wildlife sightings, foliage, waterfall flow, weather, bugs, water conditions, trail access, tour schedules and business opening dates are seasonal patterns—not guarantees. Verify current conditions before your visit.