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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 28 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
11.9° C
(Which is slightly warmer than usual)How big are the waves at Plum Island today (28 May):
- Morning surf: Morning surf (28 May, local time) - 1ft (0.3m), 6s period with SE swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 1ft (0.3m), 6s period with SE swell.
- Evening surf: Evening surf (28 May, local time) - 0.5ft (0.2m), 9s period with E swell.
The current surf forecast for Plum Island at 4PM is: 0.2m 6s primary swell from a South-southeast direction and 0.4m 4s secondary swell from a Northeast direction (forecast issued at 07:00am May 28). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 1ft (0.3m) | 6s |
| Afternoon (28 May) | 1ft (0.3m) | 6s |
| Evening (28 May) | 0.5ft (0.2m) | 9s |
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 42mm), heaviest during Fri night. Very mild (max 15°C on Thu morning, min 4°C on Sat morning). Winds increasing (light winds from the NNE on Thu night, near gales from the N by Sat morning). | ||||||||||||||||||||||||
Thursday 28 | Friday 29 | Saturday 30 | Sun 31 | |||||||||||||||||||||
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 6 | SE 6 | SE 6 | SE 6 | NE 4 | E 9 | E 9 | NNE 4 | NE 4 | NE 4 | NE 4 | SE 8 | ENE 8 | ENE 8 | ENE 8 | E 9 | ENE 9 | NE 8 | NE 9 | NE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | |
10 | 10 | 6 | 6 | 4 | 7 | 6 | 8 | 7 | 6 | 6 | 11 | 13 | 32 | 20 | 42 | 46 | 2227 | 2033 | 1457 | 1148 | 891 | 808 | 586 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross-on | cross-on | on | cross | cross | cross | cross-off | cross-off | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | |
High Tide | 10:53AM2.19m | 11:00PM2.45m | 11:38AM2.17m | 11:38PM2.47m | 12:17PM2.15m | 00:15AM2.48m | ||||||||||||||||||
Low Tide | 5:00AM0.01m | 5:13PM0.21m | 5:47AM-0.04m | 5:58PM0.24m | 6:31AM-0.06m | 6:40PM0.28m | ||||||||||||||||||
 |  | |  |  | |  | | |  | |  | | |  |  | |  | | | | |  | | |
 | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | 5:07 |
 | — | — | — | — | — | 8:10 | — | — | — | — | — | — | — | 8:12 | — | — | — | — | — | — | — | 8:13 | — | 8:13 |
— | — | — | 1 | 2 | 1 | — | — | — | — | — | — | — | 1 | 3 | 14 | 2 | 14 | 3 | 1 | — | — | — | — | |
Temp °C | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 11 | 10 | 12 | 14 | 14 | 15 | 13 | 12 | 8 | 7 | 4 | 5 | 7 | 10 | 11 | 11 | 10 |
13 | 13 | 13 | 12 | 13 | 13 | 10 | 8 | 8 | 9 | 11 | 11 | 11 | 10 | 10 | 2 | 3 | -8 | -5 | -1 | 2 | 7 | 7 | 6 | |
Swell 1 Height (m) Direction Period (s) | SE 6 | SE 6 | SE 6 | SE 6 | NE 4 | SSE 8 | SSE 8 | SSE 8 | NE 4 | NE 4 | NE 4 | ENE 5 | NE 5 | ENE 8 | ENE 8 | E 9 | ENE 9 | SSE 5 | — | — | E 9 | — | ENE 9 | ENE 9 |
 kJ | 10 | 10 | 6 | 6 | 3 | 6 | 6 | 6 | 7 | 5 | 5 | 11 | 7 | 32 | 20 | 42 | 46 | 5 | — | — | 777 | — | 808 | 586 |
Swell 2 Height (m) Direction Period (s) | — | — | — | E 11 | SSE 6 | E 9 | E 9 | E 9 | SSE 8 | E 8 | E 8 | E 8 | ENE 8 | SE 8 | SE 8 | SE 8 | SSE 5 | — | — | — | — | — | — | — |
| kJ | — | — | — | 2 | 4 | 7 | 6 | 6 | 6 | 6 | 5 | 5 | 13 | 3 | 3 | 3 | 12 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | E 10 | E 13 | E 13 | E 12 | E 9 | SSE 8 | SSE 8 | — | E 15 | E 10 | E 10 | SE 8 | SE 8 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 2 | 3 | 3 | 3 | 6 | 6 | 6 | — | 4 | 2 | 2 | 3 | 3 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 4 | NE 4 | NE 4 | NE 4 | — | NE 4 | NE 4 | NNE 4 | N 4 | — | — | SE 8 | SSE 3 | SSE 3 | SSE 3 | S 4 | WNW 4 | NE 8 | NE 9 | NE 8 | ENE 8 | ENE 8 | — | — |
| kJ | 6 | 4 | 4 | 3 | — | 2 | 5 | 8 | 4 | — | — | 10 | 3 | 6 | 3 | 14 | 7 | 2227 | 2033 | 1457 | 1148 | 891 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 170 | 170 | 170 | 211 | 258 | 169 | 170 | 231 | 231 | 231 | 110 | 499 | 80 | 75 | 287 | 287 | 507 | 633 | 920 | 920 | 863 | 0 | 0 | 0 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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