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Plum Island Surf Forecast
/ Massachusetts (29 breaks) / Massachusetts (28 breaks) /
Surf Forecasts:
Plum Island surfForecast / Massachusetts / USA
48hr Weather and Surf, issued 7 am Thursday 14 May 2026 EDTForecast update in hr min s Forecast update imminent
Plum Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Plum Island sea temperature is
9.2° C
(Which is normal for this time of year)How big are the waves at Plum Island today?
The current surf forecast for Plum Island at 12PM is: 1.1m 5s primary swell from a Southeast direction and 0.2m 10s secondary swell from a East-southeast direction, 0.1m 12s secondary swell from a East direction (forecast issued at 07:00am May 14). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 3.5ft (1.1m) | 5s |
| Afternoon (14 May) | 3.5ft (1.1m) | 5s |
| Evening (14 May) | 5ft (1.5m) | 6s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Thu night. Warm (max 23°C on Sat afternoon, min 9°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 14 | Friday 15 | Saturday 16 | Sun 17 | |||||||||||||||||||||
5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSE 5 | SSE 5 | SE 5 | SE 5 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | S 6 | ESE 8 | |
52 | 67 | 64 | 53 | 164 | 144 | 190 | 233 | 276 | 566 | 800 | 863 | 763 | 657 | 591 | 512 | 383 | 314 | 227 | 177 | 143 | 111 | 86 | 64 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 10:00AM2.46m | 10:21PM2.78m | 10:54AM2.51m | 11:11PM2.91m | 11:47AM2.55m | 00:02AM3.01m | ||||||||||||||||||
Low Tide | 4:26AM0.03m | 4:38PM0.11m | 5:16AM-0.16m | 5:25PM0.04m | 6:06AM-0.30m | 6:14PM-0.00m | ||||||||||||||||||
 |  | |  |  |  |  | | | | | | | |  | | |  | | | | | |  | |
 | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | 5:18 |
 | — | — | — | — | 7:57 | — | — | — | — | — | — | — | 7:58 | — | — | — | — | — | — | — | 7:59 | — | — | 8:00 |
— | — | — | — | 1 | 2 | 7 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 13 | 13 | 12 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 18 | 22 | 23 | 21 | 17 | 16 |
9 | 9 | 9 | 8 | 7 | 6 | 6 | 7 | 6 | 6 | 5 | 5 | 5 | 7 | 8 | 8 | 7 | 8 | 16 | 19 | 20 | 18 | 13 | 12 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 11 | E 10 | E 10 | ESE 7 | ESE 9 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 |
 kJ | 10 | 10 | 10 | 10 | 10 | 2 | 8 | 17 | 219 | 427 | 388 | 863 | 763 | 657 | 591 | 512 | 383 | 314 | 227 | 177 | 143 | 111 | 82 | 64 |
Swell 2 Height (m) Direction Period (s) | E 6 | — | E 12 | E 12 | E 12 | E 12 | SE 10 | — | — | — | — | SE 10 | SE 10 | SE 9 | SE 10 | SE 9 | SSE 9 | SSE 9 | — | — | SSE 8 | SE 9 | — | SE 8 |
| kJ | 3 | — | 3 | 3 | 3 | 3 | 4 | — | — | — | — | 250 | 181 | 128 | 92 | 90 | 55 | 31 | — | — | 27 | 20 | — | 18 |
Swell 3 Height (m) Direction Period (s) | E 13 | E 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 11 | — | — |
| kJ | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — |
Wind waves Height (m) Direction Period (s) | SSE 5 | SSE 5 | SE 5 | SE 5 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | ESE 9 | ESE 10 | — | — | — | — | — | WSW 2 | SW 3 | SW 3 | SSW 3 | S 3 | S 5 | S 6 | S 5 |
| kJ | 52 | 67 | 64 | 53 | 164 | 144 | 190 | 233 | 276 | 566 | 800 | — | — | — | — | — | 1 | 2 | 1 | 1 | 6 | 51 | 86 | 65 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 337 | 307 | 182 | 182 | 166 | 52 | 43 | 25 | 25 | 25 | 25 | 25 | 25 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 75 | 4 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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