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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 Saturday 23 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 1.1°C warmer than normal for this time of year)How big are the waves at Plum Island today?
The current surf forecast for Plum Island at 1PM is: 0.3m 10s primary swell from a Southeast direction and 0.1m 13s secondary swell from a East direction, 0.2m 2s secondary swell from a East-northeast direction (forecast issued at 07:00am May 23). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 1ft (0.3m) | 10s |
| Afternoon (23 May) | 1ft (0.3m) | 10s |
| Evening (23 May) | 1ft (0.3m) | 10s |
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 19mm), heaviest on Sun night. Very mild (max 17°C on Mon afternoon, min 7°C on Sun afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 23 | Sunday 24 | Monday 25 | Tue 26 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | E 18 | SE 4 | SE 4 | SE 5 | SE 5 | SE 6 | SE 6 | SE 6 | SE 7 | SE 8 | SE 8 | ESE 8 | SE 8 | ESE 8 | ESE 8 | |
15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 6 | 12 | 17 | 33 | 62 | 111 | 162 | 202 | 200 | 229 | 238 | 219 | 129 | 192 | 178 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross | cross-off | cross-off | glassy | cross | cross | glassy | |
High Tide | 5:40AM2.57m | 6:29PM2.36m | 6:48AM2.43m | 7:35PM2.36m | 7:57AM2.33m | 8:36PM2.39m | ||||||||||||||||||
Low Tide | 12:44PM0.03m | 1:12AM0.28m | 1:44PM0.09m | 2:16AM0.24m | 2:42PM0.13m | |||||||||||||||||||
 |  | | | | | | | | | |  | |  |  | | | | |  | |  |  |  | |
 | 5:13 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | 5:11 |
 | — | — | — | — | — | 8:06 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:07 | — | 8:08 |
— | — | — | — | — | — | — | — | — | — | — | 3 | 4 | 6 | 4 | 2 | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 11 | 11 | 10 | 7 | 7 | 8 | 10 | 10 | 10 | 9 | 9 | 11 | 17 | 17 | 15 | 13 |
12 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 7 | 6 | 3 | 3 | 3 | 6 | 6 | 7 | 6 | 6 | 9 | 17 | 16 | 15 | 13 | |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SSE 7 | SSE 7 | SSE 7 | E 12 | E 18 | E 18 | E 17 | SE 7 | SE 8 | SE 8 | ESE 8 | SE 8 | ESE 8 | ESE 8 |
 kJ | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 3 | 5 | 5 | 5 | 3 | 6 | 6 | 6 | 200 | 229 | 238 | 219 | 129 | 192 | 178 |
Swell 2 Height (m) Direction Period (s) | — | E 13 | E 13 | E 13 | ENE 3 | ENE 3 | ENE 3 | ENE 3 | — | E 12 | SE 9 | SE 9 | SE 9 | E 18 | — | — | — | E 16 | E 16 | E 16 | E 16 | E 7 | E 16 | E 16 |
| kJ | — | 4 | 4 | 3 | 1 | 1 | 1 | 1 | — | 3 | 3 | 3 | 3 | 6 | — | — | — | 5 | 5 | 5 | 5 | 63 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | E 13 | — | — | E 13 | — | — | — | E 12 | E 12 | E 18 | E 12 | E 12 | E 12 | E 18 | — | — | — | — | — | — | E 16 | E 16 | E 16 | E 16 |
| kJ | 4 | — | — | 3 | — | — | — | 3 | 3 | 6 | 3 | 3 | 3 | 6 | — | — | — | — | — | — | 5 | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | NE 2 | — | — | — | SSE 2 | SSE 2 | SE 3 | SE 4 | SE 4 | SE 5 | SE 5 | SE 6 | SE 6 | SE 6 | — | — | — | — | — | — | — |
| kJ | — | — | — | 1 | — | — | — | 1 | 1 | 6 | 12 | 17 | 33 | 62 | 111 | 162 | 202 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 260 | 854 | 854 | 833 | 182 | 170 | 169 | 772 | 772 | 772 | 553 | 443 | 443 | 319 | 151 | 145 | 27 | 13 | 0 | 0 | 0 | 43 | 4 | 0 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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