Seals in New Hampshire in October
Yes, October is a good month to see seals in New Hampshire. It is the 8th busiest month of the year, with 6 of the 69 sightings logged across the year (8.7%), based on verified iNaturalist records.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
Good month for seals in New Hampshire
8.7%
of yearly sightings
6
records in October
#8
busiest month of 12
69
verified records a year
September 2.9%, October 8.7%, November 10.1%. Busiest month is February at 13%.
69 verified observations of seals in New Hampshire, recorded across 12 months of the year on iNaturalist.
When seals are recorded in New Hampshire
Peak month
February
9 records (13% of the year)
| Month | Observations | Share |
|---|---|---|
| Januarypeak | 8 | 11.6% |
| Februarypeak | 9 | 13% |
| March | 2 | 2.9% |
| April | 1 | 1.4% |
| Maypeak | 8 | 11.6% |
| June | 4 | 5.8% |
| July | 6 | 8.7% |
| August | 8 | 11.6% |
| September | 2 | 2.9% |
| October | 6 | 8.7% |
| November | 7 | 10.1% |
| December | 8 | 11.6% |
Seals you are most likely to see
| Species | Verified observations |
|---|---|
| Harbor Seal | 54 |
| Grey Seal | 9 |
| Harp Seal | 3 |
In New Hampshire, October carries 8.7% of the year's seals sightings, about 0.4 points above an even month-to-month split. That makes it the 8th busiest of the twelve months, out of 12 months with recorded activity.
Activity is rising from September (2.9%) into October, and it heads toward November (10.1%) after. The busiest month is February (13%), so if timing is flexible, that window is the safer bet.
The seals most often recorded in New Hampshire are Harbor Seal, Grey Seal and Harp Seal. Those counts are annual totals rather than a October split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in October itself.
Which seals you are most likely to see
- Harbor Seal54 records
- Grey Seal9 records
- Harp Seal3 records
Plan your seal trip in New Hampshire
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.
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Use the live GetYourGuide widget to compare local departures and activity styles close to the main seal viewing area.
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Stay nearbyStay near Appalachian National Scenic Trail
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Frequently asked questions
Can you see seals in New Hampshire in October?+
Yes. October accounts for 6 of the 69 verified seals sightings logged in New Hampshire across the year, which is 8.7% of the annual total.
Is October a good time to see seals in New Hampshire?+
October is the 8th busiest month. It is workable, though February and January is the stronger window for a reliable sighting.
What month is best for seals in New Hampshire?+
February is the single busiest month, with the broader peak running through February, January and May, based on 69 verified observations.
Which seals are you most likely to see in New Hampshire?+
The most-recorded species in New Hampshire are Harbor Seal, Grey Seal and Harp Seal, based on all-time iNaturalist counts.
See seals in New Hampshire in other months
More wildlife in New Hampshire