Seals in Delaware in March
Yes, March is one of the best months to see seals in Delaware. It is the 1st busiest month of the year, with 124 of the 278 sightings logged across the year (44.6%), 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.
Peak month for seals in Delaware
44.6%
of yearly sightings
124
records in March
#1
busiest month of 12
278
verified records a year
February 22.3%, March 44.6%, April 4.7%. Busiest month is March at 44.6%.
278 verified observations of seals in Delaware, recorded across 7 months of the year on iNaturalist.
When seals are recorded in Delaware
Peak month
March
124 records (44.6% of the year)
| Month | Observations | Share |
|---|---|---|
| Januarypeak | 53 | 19.1% |
| Februarypeak | 62 | 22.3% |
| Marchpeak | 124 | 44.6% |
| April | 13 | 4.7% |
| May | 1 | 0.4% |
| June | 0 | 0% |
| July | 0 | 0% |
| August | 0 | 0% |
| September | 0 | 0% |
| October | 0 | 0% |
| November | 1 | 0.4% |
| December | 24 | 8.6% |
Seals you are most likely to see
| Species | Verified observations |
|---|---|
| Grey Seal | 143 |
| Harbor Seal | 123 |
| Harp Seal | 2 |
In Delaware, March carries 44.6% of the year's seals sightings, about 36.3 points above an even month-to-month split. That makes it the 1st busiest of the twelve months, out of 7 months with recorded activity.
Activity is rising from February (22.3%) into March, and it heads toward April (4.7%) after. This is right inside the peak window, so March is one of the surest months to plan a trip around.
The seals most often recorded in Delaware are Grey Seal, Harbor Seal and Harp Seal. Those counts are annual totals rather than a March split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in March itself.
Which seals you are most likely to see
- Grey Seal143 records
- Harbor Seal123 records
- Harp Seal2 records
Plan your seal trip in Delaware
Start with live tours near Captain John Smith Chesapeake National Historic Trail, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Captain John Smith Chesapeake National Historic Trail
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 Captain John Smith Chesapeake National Historic Trail
Compare hotels, cabins and lodges close to the best seal viewing area in Delaware.
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Frequently asked questions
Can you see seals in Delaware in March?+
Yes. March accounts for 124 of the 278 verified seals sightings logged in Delaware across the year, which is 44.6% of the annual total.
Is March a good time to see seals in Delaware?+
March is one of the best months. It ranks 1st of the year and sits inside the peak window of March, February and January.
What month is best for seals in Delaware?+
March is the single busiest month, with the broader peak running through March, February and January, based on 278 verified observations.
Which seals are you most likely to see in Delaware?+
The most-recorded species in Delaware are Grey Seal, Harbor Seal and Harp Seal, based on all-time iNaturalist counts.
See seals in Delaware in other months
More wildlife in Delaware