Best Time to See Sharks in Massachusetts
June, July and August is the best time to see sharks in Massachusetts. Based on 1,926 verified iNaturalist observations, here is exactly when sharks are most active across the year in Massachusetts.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
Basking Shark · Elizabeth Axley CC BY
Dusky Smooth-hound · Jake McCumber CC BY
Dusky Smooth-hound · Elizabeth Axley CC BY
1,926 verified observations of sharks in Massachusetts, recorded across 12 months of the year on iNaturalist.
When sharks are recorded in Massachusetts
Peak month
June
399 records (20.7% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 53 | 2.8% |
| February | 44 | 2.3% |
| March | 75 | 3.9% |
| April | 140 | 7.3% |
| May | 197 | 10.2% |
| Junepeak | 399 | 20.7% |
| Julypeak | 320 | 16.6% |
| Augustpeak | 278 | 14.4% |
| September | 148 | 7.7% |
| October | 99 | 5.1% |
| November | 88 | 4.6% |
| December | 85 | 4.4% |
Sharks you are most likely to see
| Species | Verified observations |
|---|---|
| Little Skate | 601 |
| Dusky Smooth-hound | 282 |
| Winter Skate | 71 |
| Western Atlantic Torpedo | 62 |
| Spiny Dogfish | 55 |
| Clearnose Skate | 49 |
| Basking Shark | 44 |
| Great White Shark | 42 |
Weather to expect, source Open-Meteo
Typical weather in Massachusetts
Recent typical conditions by month, so you can plan a trip around both when sharks are active and what the weather is doing. The best months to look for sharks sit around 58 to 83 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 37°F | 22°F | 3.8" |
| Feb | 39°F | 22°F | 3.4" |
| Mar | 48°F | 28°F | 3.6" |
| Apr | 57°F | 38°F | 4.6" |
| May | 68°F | 47°F | 3.4" |
| Junbest time | 78°F | 58°F | 3.6" |
| Julbest time | 83°F | 65°F | 5.4" |
| Augbest time | 82°F | 64°F | 3.5" |
| Sep | 73°F | 56°F | 5.3" |
| Oct | 62°F | 47°F | 5.3" |
| Nov | 50°F | 34°F | 3.1" |
| Dec | 42°F | 27°F | 5.9" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Massachusetts. Weather varies year to year, so treat these as a guide.
Sightings of sharks in Massachusetts peak in June, when 399 of the year's 1,926 verified observations are logged — about 20.7% of the annual total. Activity stays high through June, July and August.
The quietest stretch is February and January, when sharks are hardest to find — February sees just 44 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The sharks you are most likely to encounter in Massachusetts are Little Skate, Dusky Smooth-hound and Winter Skate — the most-recorded species in the state. Each keeps its own seasonal rhythm, but the month-by-month pattern above reflects every reported sighting together.
Where to go
Best places to see sharks in Massachusetts
- Appalachian National Scenic Trail — National Scenic Trail
- Blackstone River Valley National Historical Park — National Historical Park
- Boston Harbor Islands National Recreation Area — National Recreation Area
- Cape Cod National Seashore — National Seashore
- Adams National Historical Park — National Historical Park
- Boston African American National Historic Site — National Historic Site
Frequently asked questions
What is the best month to see sharks in Massachusetts?+
June is the single best month, and the broader peak window runs through June, July and August, based on 1,926 verified iNaturalist observations.
When are sharks hardest to see in Massachusetts?+
February is the quietest month for sharks in Massachusetts, with only 44 verified records.
Are sharks active year-round in Massachusetts?+
Sharks are recorded in 12 of 12 months in Massachusetts, so they can be seen year-round, with a clear peak in June.
More places to see sharks
More wildlife in Massachusetts