Whales in Maine in August

Yes, August is one of the best months to see whales in Maine. It is the 3rd busiest month of the year, with 755 of the 4,784 sightings logged across the year (15.8%), based on verified iNaturalist records.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

Beluga photographed in MaineAtlantic White-sided Dolphin photographed in MaineWhite-tailed Deer photographed in Maine
Photos by iNaturalist observers, used under Creative Commons.

Peak month for whales in Maine

15.8%

of yearly sightings

755

records in August

#3

busiest month of 12

4,784

verified records a year

July 17%, August 15.8%, September 9.1%. Busiest month is June at 19.5%.

Best months: June, July, AugustPeak season right now

4,784 verified observations of whales in Maine, recorded across 12 months of the year on iNaturalist.

When whales are recorded in Maine

Peak month

June

935 records (19.5% of the year)

Quietest month

February

139 records

MonthObservationsShare
January1453%
February1392.9%
March2064.3%
April2625.5%
May4679.8%
Junepeak93519.5%
Julypeak81317%
Augustpeak75515.8%
September4339.1%
October2585.4%
November2034.2%
December1683.5%

Whales you are most likely to see

SpeciesVerified observations
White-tailed Deer2,897
Moose1,332
Harbour Porpoise258
Humpback Whale79
Common Minke Whale57
Fin Whale37
Atlantic White-sided Dolphin26
North Atlantic Right Whale3

In Maine, August carries 15.8% of the year's whales sightings, about 7.5 points above an even month-to-month split. That makes it the 3rd busiest of the twelve months, out of 12 months with recorded activity.

Activity is easing off from July (17%) into August, and it heads toward September (9.1%) after. This is right inside the peak window, so August is one of the surest months to plan a trip around.

The whales most often recorded in Maine are White-tailed Deer, Moose and Harbour Porpoise. Those counts are annual totals rather than a August split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in August itself.

Which whales you are most likely to see

  • White-tailed Deer2,897 records
  • Moose1,332 records
  • Harbour Porpoise258 records
  • Humpback Whale79 records
  • Common Minke Whale57 records
  • Fin Whale37 records
Plan your tripAcadia National Park

Plan your whale trip in Maine

Start with live tours near Acadia National Park, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Frequently asked questions

Can you see whales in Maine in August?+

Yes. August accounts for 755 of the 4,784 verified whales sightings logged in Maine across the year, which is 15.8% of the annual total.

Is August a good time to see whales in Maine?+

August is one of the best months. It ranks 3rd of the year and sits inside the peak window of June, July and August.

What month is best for whales in Maine?+

June is the single busiest month, with the broader peak running through June, July and August, based on 4,784 verified observations.

Which whales are you most likely to see in Maine?+

The most-recorded species in Maine are White-tailed Deer, Moose and Harbour Porpoise, based on all-time iNaturalist counts.