seal.watch / new-england

New England · 2000—2026

Grey and harbour seals

Seals around New England.

Follow public seal observations from New England. Browse published records, explore the places and stories behind them, or share an encounter with the Seal Watch team.

Meet the grey seal → · Meet the harbour seal →

Total reports
443
Latest observation

Public reports · newest first

Public records archive

7 August—19 August

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4 of 443 reports

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Explore by place

All places

Markers group reports by reviewed names in their public locations, not exact sighting positions. Circle size reflects report counts. Select a place to filter the archive.

19 of 21 reports mapped · 11 places

New England Six-state outline

N ↑

Reported places Detail of outlined region

Downeast Maine / Acadia · 2 reports1Midcoast Maine · 1 report2Casco Bay / Portland · 1 report3Southern Maine · 1 report4Seacoast / Isles of Shoals · 1 report5Boston Harbor / Charles River · 3 reports6Outer Cape Cod · 2 reports7Plymouth / South Shore · 1 report8Lower Cape Cod · 4 reports9Rhode Island coast · 2 reports10Nantucket · 1 report11

Mapped places North to south

  1. Downeast Maine / Acadia2 reports
  2. Midcoast Maine1 report
  3. Casco Bay / Portland1 report
  4. Southern Maine1 report
  5. Seacoast / Isles of Shoals1 report
  6. Boston Harbor / Charles River3 reports
  7. Outer Cape Cod2 reports
  8. Plymouth / South Shore1 report
  9. Lower Cape Cod4 reports
  10. Rhode Island coast2 reports
  11. Nantucket1 report
Places without a map point · 2 reports

Broad or unreviewed public locations remain available in the archive.

Map: Natural Earth.

Reports over time

All dates

Select a year, then a month. Counts describe published reports; one animal may appear in several reports.

  1. 12003
  2. 12005
  3. 12006
  4. 12009
  5. 42010
  6. 22011
  7. 42012
  8. 72013
  9. 12014
  10. 22015
  11. 92016
  12. 122017
  13. 12020
  14. 12023

Months in 2010

  1. 0Jan
  2. 0Feb
  3. 0Mar
  4. 0Apr
  5. 0May
  6. 0Jun
  7. 0Jul
  8. 4Aug
  9. 0Sep
  10. 0Oct
  11. 0Nov
  12. 0Dec

Grouped by each record’s archive date. Approximate dates keep their original labels in the records below.

  1. Chatham Massachusetts
    Unidentified https://www.inaturalist.org/observations/29893232

    Direct original iNaturalist page and photograph reviewed. A group of several live seals is partly in shallow water; count is not reliably visible. Current page identification is Grey Seal with supporting IDs; no subspecies claim. Grey seal

  2. Chatham Massachusetts
    Unidentified https://www.inaturalist.org/observations/229146083

    Direct original iNaturalist page and photograph reviewed. One live grey seal is visible swimming near the surface with its body visible. Grey seal · 1 seal

  3. Atlantic Ocean near Chatham Massachusetts
    Unidentified https://www.inaturalist.org/observations/33497583

    Direct original iNaturalist page and photograph reviewed. One live grey seal is swimming beside a boat or structure. The page history includes an initial Harbor identification that was withdrawn in favor of Atlantic Grey, with disagreement preserved; the original public page gives the exact day. Grey seal · 1 seal

  4. Chatham Massachusetts
    Unidentified https://www.inaturalist.org/observations/188742057

    Direct original iNaturalist page and photograph reviewed. One distant live seal head is visible in surf; species is retained as probable grey seal from the page consensus, with limited photographic detail. Grey seal · 1 seal