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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 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) - 1.5ft (0.5m), 4s period with NE swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 1.5ft (0.5m), 4s period with NE swell.
- Evening surf: Evening surf (28 May, local time) - 1.5ft (0.4m), 4s period with ENE swell.
The current surf forecast for Plum Island at 7AM is: 0.4m 6s primary swell from a Southeast direction and 0.6m 4s secondary swell from a North-northeast direction (forecast issued at 01:00am May 28). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 1.5ft (0.5m) | 4s |
| Afternoon (28 May) | 1.5ft (0.5m) | 4s |
| Evening (28 May) | 1.5ft (0.4m) | 4s |
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 25mm), heaviest during Sat morning. Very mild (max 16°C on Thu night, min 5°C on Sat morning). Winds increasing (calm on Fri morning, strong winds from the NNE by Sat morning). | ||||||||||||||||||||||||
Thursday 28 | Friday 29 | Saturday 30 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSE 6 | SE 6 | SE 6 | NE 4 | NE 4 | ENE 4 | E 9 | NE 4 | NE 4 | NE 4 | NE 4 | NE 5 | NE 5 | ENE 8 | ENE 8 | E 8 | ENE 9 | ENE 7 | NE 8 | NE 8 | ENE 8 | ENE 9 | ENE 9 | E 9 | |
16 | 10 | 10 | 9 | 7 | 6 | 8 | 9 | 10 | 11 | 9 | 10 | 6 | 22 | 21 | 34 | 29 | 494 | 2037 | 1790 | 1563 | 1266 | 1047 | 794 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross-on | cross-on | on | cross-on | cross | cross-on | cross | cross-off | glassy | on | cross-on | cross | cross-off | cross-off | off | cross-on | cross | cross | cross | cross | cross-off | cross-off | |
High Tide | 10:53AM2.19m | 11:00PM2.45m | 11:38AM2.17m | 11:38PM2.47m | 12:17PM2.15m | |||||||||||||||||||
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 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:10 | — | — | — | — | — | — | — | 8:12 | — | — | — | — | — | — | — | 8:13 | — |
— | — | — | 1 | 1 | 3 | 1 | 1 | — | — | — | 1 | — | — | 5 | 5 | — | — | 6 | 1 | — | — | — | — | |
Temp °C | 17 | 15 | 14 | 14 | 14 | 13 | 16 | 13 | 11 | 10 | 11 | 14 | 14 | 13 | 12 | 10 | 8 | 9 | 5 | 5 | 8 | 11 | 12 | 10 |
15 | 13 | 11 | 12 | 13 | 12 | 14 | 10 | 9 | 8 | 10 | 12 | 11 | 9 | 9 | 5 | 3 | 3 | -5 | -4 | 0 | 4 | 9 | 6 | |
Swell 1 Height (m) Direction Period (s) | SSE 6 | SE 6 | SE 6 | SE 6 | NE 4 | ENE 4 | ENE 4 | NE 4 | SSE 8 | NE 4 | NE 4 | NE 5 | NE 5 | ENE 8 | ENE 8 | E 8 | ENE 9 | SSE 4 | — | — | — | S 7 | — | E 9 |
 kJ | 16 | 10 | 10 | 6 | 7 | 6 | 8 | 5 | 6 | 11 | 9 | 10 | 5 | 22 | 21 | 34 | 29 | 4 | — | — | — | 1 | — | 794 |
Swell 2 Height (m) Direction Period (s) | E 14 | — | — | — | SE 6 | SSE 6 | SSE 8 | SSE 8 | E 9 | SSE 8 | E 8 | E 8 | E 8 | E 10 | SE 8 | SE 8 | SSE 4 | SE 8 | — | — | — | — | — | — |
| kJ | 4 | — | — | — | 6 | 4 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 2 | 3 | 3 | 5 | 3 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | E 14 | — | — | E 16 | E 10 | E 10 | E 9 | E 9 | E 12 | E 9 | SSE 8 | SSE 8 | SSE 8 | E 14 | E 10 | E 10 | ENE 5 | SE 8 | — | — | — | — | — | — |
| kJ | 4 | — | — | 5 | 2 | 2 | 7 | 6 | 3 | 6 | 6 | 6 | 6 | 4 | 2 | 2 | 5 | 3 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 4 | NNE 4 | NNE 4 | NE 4 | — | — | — | NE 4 | NE 4 | — | — | — | — | SE 2 | S 3 | S 3 | NW 3 | ENE 7 | NE 8 | NE 8 | ENE 8 | ENE 9 | ENE 9 | — |
| kJ | 9 | 9 | 8 | 9 | — | — | — | 9 | 10 | — | — | — | — | 2 | 5 | 11 | 4 | 494 | 2037 | 1790 | 1563 | 1266 | 1047 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 183 | 170 | 216 | 170 | 152 | 231 | 120 | 170 | 260 | 231 | 231 | 800 | 1282 | 1282 | 110 | 499 | 54 | 512 | 863 | 634 | 920 | 1727 | 0 | 0 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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