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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 1 am Monday 25 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
11.4° C
(Which is slightly warmer than usual)How big are the waves at Plum Island today?
The current surf forecast for Plum Island at 10AM is: 1.6m 8s primary swell from a Southeast direction and 0.1m 16s secondary swell from a East direction (forecast issued at 01:00am May 25). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 5ft (1.6m) | 8s |
| Afternoon (25 May) | 4.5ft (1.4m) | 8s |
| Evening (25 May) | 4ft (1.2m) | 8s |
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 14mm), heaviest on Mon morning. Warm (max 28°C on Wed afternoon, min 11°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 25 | Tuesday 26 | Wednesday 27 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | SE 8 | ESE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | |
233 | 292 | 291 | 275 | 232 | 211 | 192 | 192 | 187 | 187 | 171 | 147 | 106 | 155 | 71 | 46 | 45 | 34 | 33 | 32 | 23 | 17 | 16 | 12 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross | cross-off | off | cross-off | off | cross-off | cross-off | cross-off | off | cross | cross | cross | cross-off | cross-off | cross-off | off | off | off | off | glassy | cross-off | cross-off | |
High Tide | 7:57AM2.33m | 8:36PM2.39m | 9:03AM2.26m | 9:31PM2.41m | 10:02AM2.21m | 10:18PM2.44m | ||||||||||||||||||
Low Tide | 2:16AM0.24m | 2:42PM0.13m | 3:15AM0.16m | 3:36PM0.16m | 4:10AM0.08m | 4:26PM0.18m | ||||||||||||||||||
 |  |  |  |  |  | |  | | | | | | | | | | | |  | | | |  | |
 | — | 5:11 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:08 | — | — | — | — | — | — | — | 8:09 | — |
1 | — | 1 | 8 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | |
Temp °C | 10 | 10 | 11 | 11 | 13 | 19 | 21 | 18 | 16 | 15 | 17 | 21 | 24 | 23 | 22 | 19 | 18 | 18 | 20 | 24 | 28 | 22 | 19 | 18 |
7 | 9 | 10 | 9 | 12 | 18 | 20 | 17 | 15 | 14 | 16 | 19 | 21 | 19 | 19 | 17 | 16 | 16 | 18 | 23 | 27 | 23 | 19 | 18 | |
Swell 1 Height (m) Direction Period (s) | E 18 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | SE 8 | ESE 8 | E 15 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 |
 kJ | 6 | 292 | 291 | 275 | 232 | 211 | 192 | 192 | 187 | 187 | 171 | 147 | 106 | 4 | 71 | 46 | 45 | 34 | 33 | 32 | 23 | 17 | 16 | 12 |
Swell 2 Height (m) Direction Period (s) | — | E 17 | E 16 | E 16 | E 16 | E 16 | E 16 | E 16 | E 16 | E 16 | E 16 | E 15 | E 15 | E 15 | E 15 | E 15 | E 15 | S 4 | E 15 | — | E 14 | E 14 | E 14 | E 14 |
| kJ | — | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 4 | — | 4 | 4 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 15 | E 15 | — | E 15 | E 14 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | — | 4 | 4 | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 7 | — | — | — | — | — | — | — | — | — | — | — | S 2 | SE 8 | SSE 4 | S 4 | SSW 4 | WSW 3 | WSW 3 | WSW 3 | — | — | — | — |
| kJ | 233 | — | — | — | — | — | — | — | — | — | — | — | 1 | 155 | 18 | 26 | 23 | 4 | 4 | 2 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 145 | 25 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 75 | 166 | 4 | 4 | 9 | 9 | 54 | 182 | 444 | 183 | 146 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
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