Humpback Whales in Massachusetts in April

Yes, April is a good month to see humpback whales in Massachusetts. It is the 4th busiest month of the year, with 63 of the 699 sightings logged across the year (9%), 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 July 10, 2026.

Good month for humpback whales in Massachusetts

9%

of yearly sightings

63

records in April

#4

busiest month of 12

699

verified records a year

March 0.3%, April 9%, May 5.4%. Busiest month is August at 37.9%.

Best months: August, July, SeptemberPeak season right now

699 verified observations of humpback whales in Massachusetts, recorded across 12 months of the year on iNaturalist.

When humpback whales are recorded in Massachusetts

Peak month

August

265 records (37.9% of the year)

Quietest month

February

2 records

MonthObservationsShare
January71%
February20.3%
March20.3%
April639%
May385.4%
June628.9%
Julypeak14020%
Augustpeak26537.9%
Septemberpeak8512.2%
October213%
November81.1%
December60.9%

Humpback Whales you are most likely to see

SpeciesVerified observations
Humpback Whale699

In Massachusetts, April carries 9% of the year's humpback whales sightings, about 0.7 points above an even month-to-month split. That makes it the 4th busiest of the twelve months, out of 12 months with recorded activity.

Activity is rising from March (0.3%) into April, and it heads toward May (5.4%) after. The busiest month is August (37.9%), so if timing is flexible, that window is the safer bet.

The humpback whales most often recorded in Massachusetts are Humpback Whale. Those counts are annual totals rather than a April split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in April itself.

Which humpback whales you are most likely to see

  • Humpback Whale699 records
Plan your tripAppalachian National Scenic Trail

Plan your humpback whale trip in Massachusetts

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

Frequently asked questions

Can you see humpback whales in Massachusetts in April?+

Yes. April accounts for 63 of the 699 verified humpback whales sightings logged in Massachusetts across the year, which is 9% of the annual total.

Is April a good time to see humpback whales in Massachusetts?+

April is the 4th busiest month. It is workable, though August and July is the stronger window for a reliable sighting.

What month is best for humpback whales in Massachusetts?+

August is the single busiest month, with the broader peak running through August, July and September, based on 699 verified observations.

Which humpback whales are you most likely to see in Massachusetts?+

The most-recorded species in Massachusetts are Humpback Whale, based on all-time iNaturalist counts.