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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 Saturday 30 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
13.2° C
(Which is 1.8°C warmer than normal for this time of year)How big are the waves at Plum Island today (30 May):
- Morning surf: Morning surf (30 May, local time) - 10ft (3.0m), 7s period with E swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 13ft (4.0m), 8s period with ENE swell.
- Evening surf: Evening surf (30 May, local time) - 8ft (2.5m), 8s period with ENE swell.
The current surf forecast for Plum Island at 5AM is: 2.1m 6s primary swell from a East-southeast direction and 1.4m 6s secondary swell from a Southeast direction, 0.9m 6s secondary swell from a East-northeast direction (forecast issued at 01:00am May 30). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 10ft (3.0m) | 7s |
| Afternoon (30 May) | 13ft (4.0m) | 8s |
| Evening (30 May) | 8ft (2.5m) | 8s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 20mm), heaviest during Sat morning. Very mild (max 16°C on Sun afternoon, min 7°C on Sat morning). Winds decreasing (near gales from the NE on Sat morning, calm by Sun morning). | ||||||||||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | ||||||||||||||||||||||
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 6 | ESE 6 | E 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 8 | E 8 | ENE 9 | E 6 | E 8 | E 8 | |
192 | 309 | 806 | 2136 | 2262 | 1561 | 1147 | 782 | 838 | 512 | 364 | 311 | 228 | 196 | 205 | 173 | 177 | 177 | 171 | 142 | 304 | 213 | 107 | 196 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | glassy | glassy | cross-off | off | off | off | glassy | cross | cross-on | cross-on | cross-on | cross-on | glassy | |
High Tide | 11:38PM2.47m | 12:17PM2.15m | 00:15AM2.48m | 12:52PM2.15m | 00:51AM2.49m | 1:27PM2.16m | ||||||||||||||||||
Low Tide | 6:31AM-0.06m | 6:40PM0.28m | 7:13AM-0.04m | 7:21PM0.33m | 7:54AM-0.00m | 8:00PM0.38m | ||||||||||||||||||
 |  |  |  | | |  |  | | |  |  | | | |  | | | |  | | | | | |
 | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:13 | — | — | — | — | — | — | — | 8:13 | — | — | — | — | — | — | — | 8:14 | — |
9 | 3 | 5 | 6 | 3 | 1 | — | — | — | — | — | — | — | 1 | 1 | — | — | — | 1 | 1 | 1 | — | — | — | |
Temp °C | 12 | 11 | 9 | 7 | 7 | 9 | 10 | 9 | 8 | 7 | 10 | 15 | 16 | 16 | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
7 | 6 | -3 | -5 | -3 | 1 | 3 | 4 | 5 | 3 | 7 | 13 | 14 | 14 | 11 | 9 | 9 | 10 | 8 | 7 | 6 | 7 | 9 | 10 | |
Swell 1 Height (m) Direction Period (s) | ENE 9 | SE 6 | E 7 | — | — | — | — | — | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 8 | E 8 | — | — | E 6 | E 8 |
 kJ | 28 | 138 | 219 | — | — | — | — | — | 632 | 512 | 364 | 311 | 228 | 196 | 205 | 173 | 177 | 177 | 171 | 142 | — | — | 94 | 196 |
Swell 2 Height (m) Direction Period (s) | — | ENE 6 | — | — | — | — | — | — | — | — | — | S 8 | — | — | — | E 15 | — | — | SW 3 | — | — | — | E 8 | S 7 |
| kJ | — | 68 | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 4 | — | — | 2 | — | — | — | 107 | 1 |
Swell 3 Height (m) Direction Period (s) | — | ENE 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 3 | — | — | — | — | — |
| kJ | — | 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 6 | ESE 6 | E 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | — | NW 3 | WNW 3 | — | — | — | SW 2 | WSW 3 | SW 3 | N 2 | NE 4 | ENE 9 | E 6 | — | — |
| kJ | 192 | 309 | 806 | 2136 | 2262 | 1561 | 1147 | 782 | 838 | — | 3 | 1 | — | — | — | 2 | 5 | 2 | 1 | 10 | 304 | 213 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 43 | 27 | 67 | 512 | 633 | 633 | 512 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 25 | 170 | 25 | 4 | 0 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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