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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 pm Friday 15 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
9.4° 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 10PM is: 1.8m 10s primary swell from a East-southeast direction and 0.9m 10s secondary swell from a Southeast direction (forecast issued at 07:00pm May 15). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | - | - |
| Afternoon (15 May) | 7ft (2.1m) | 10s |
| Evening (15 May) | 6ft (1.9m) | 10s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 27°C on Sun afternoon, min 10°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | S 6 | ESE 9 | ESE 8 | ESE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | |
778 | 684 | 616 | 480 | 399 | 283 | 237 | 193 | 146 | 116 | 108 | 65 | 62 | 39 | 76 | 44 | 31 | 31 | 22 | 21 | 21 | 21 | 20 | 20 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | cross | cross-off | on | on | on | cross-on | cross-on | |
High Tide | 11:11PM2.91m | 11:47AM2.55m | 00:02AM3.01m | 12:39PM2.58m | 00:53AM3.06m | 1:32PM2.57m | ||||||||||||||||||
Low Tide | 5:25PM0.04m | 6:06AM-0.30m | 6:14PM-0.00m | 6:58AM-0.39m | 7:05PM-0.01m | 7:50AM-0.41m | ||||||||||||||||||
 |  |  | | |  | | | | |  | | | | | | |  | | | | | | | |
 | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — |
 | 7:58 | — | — | — | — | — | — | — | 7:59 | — | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | 8:00 |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 10 | 11 | 11 | 10 | 12 | 18 | 22 | 24 | 20 | 17 | 17 | 17 | 18 | 23 | 26 | 27 | 24 | 20 | 16 | 15 | 14 | 15 | 17 |
7 | 8 | 9 | 9 | 7 | 9 | 15 | 18 | 20 | 16 | 12 | 13 | 15 | 16 | 20 | 22 | 24 | 22 | 18 | 14 | 13 | 12 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | S 5 | S 6 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
 kJ | 778 | 684 | 616 | 480 | 399 | 283 | 237 | 193 | 146 | 116 | 90 | 65 | 28 | 24 | 76 | 44 | 31 | 31 | 22 | 21 | 21 | 21 | 20 | 20 |
Swell 2 Height (m) Direction Period (s) | — | SE 10 | — | — | — | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SE 11 | — | SSE 9 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | SSE 4 | SSE 4 | SSE 4 | SSE 5 | E 15 | E 14 | — |
| kJ | — | 148 | — | — | — | 29 | 32 | 32 | 30 | 5 | — | 17 | 62 | 39 | 12 | 12 | 6 | 2 | 3 | 2 | 2 | 4 | 4 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 8 | — | — | — | E 15 | E 15 | E 15 | E 15 | — | E 18 | E 14 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 17 | — | — | — | 4 | 4 | 4 | 4 | — | 6 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SW 2 | SW 3 | SW 3 | SSW 3 | S 3 | SSE 5 | S 6 | S 5 | WSW 4 | WSW 3 | WSW 3 | — | SSW 3 | — | N 2 | NE 3 | NE 3 | NE 3 | ENE 3 | ESE 2 |
| kJ | — | — | — | — | 1 | 2 | 3 | 3 | 5 | 72 | 108 | 65 | 7 | 3 | 4 | — | 3 | — | 1 | 2 | 2 | 2 | 2 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 25 | 81 | 13 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 14 | 1276 | 4 | 4 | 0 | 0 | 9 | 4 | 54 | 146 | 145 | 146 | 169 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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