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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 Wednesday 27 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 1.0°C warmer than normal for this time of year)How big are the waves at Plum Island today (27 May):
- Morning surf: Morning surf (27 May, local time) - 2ft (0.6m), 7s period with SE swell.
- Afternoon surf: Afternoon surf (27 May, local time) - 2ft (0.6m), 7s period with SSE swell.
- Evening surf: Evening surf (27 May, local time) - 1.5ft (0.5m), 6s period with SE swell.
The current surf forecast for Plum Island at 10AM is: 0.6m 7s primary swell from a Southeast direction and 0.1m 15s secondary swell from a East direction (forecast issued at 07:00am May 27). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 2ft (0.6m) | 7s |
| Afternoon (27 May) | 2ft (0.6m) | 7s |
| Evening (27 May) | 1.5ft (0.5m) | 6s |
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 13mm), heaviest on Thu afternoon. Warm (max 27°C on Wed afternoon, min 8°C on Fri night). Winds increasing (calm on Thu night, fresh winds from the S by Fri night). | ||||||||||||||||||||||||
Wednesday 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 7 | SE 7 | SE 7 | SSE 7 | SSE 7 | SE 7 | SE 6 | SSE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SSE 6 | E 9 | E 9 | E 9 | NE 4 | NE 4 | ENE 8 | SE 8 | SSE 4 | NE 6 | SSE 4 | S 5 | |
33 | 32 | 31 | 32 | 26 | 21 | 19 | 16 | 11 | 6 | 6 | 6 | 4 | 7 | 6 | 6 | 8 | 6 | 26 | 17 | 15 | 12 | 49 | 78 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | glassy | cross-on | cross-on | off | cross-off | cross-on | cross-on | cross-on | cross | cross | cross-off | |
High Tide | 10:02AM2.21m | 10:18PM2.44m | 10:53AM2.19m | 11:00PM2.45m | 11:38AM2.17m | 11:38PM2.47m | ||||||||||||||||||
Low Tide | 4:10AM0.08m | 4:26PM0.18m | 5:00AM0.01m | 5:13PM0.21m | 5:47AM-0.04m | 5:58PM0.24m | ||||||||||||||||||
 |  | |  |  | |  |  | | |  | | | | | | | | | | |  |  |  | |
 | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | 5:07 |
 | — | — | — | — | — | 8:09 | — | — | — | — | — | — | — | 8:10 | — | — | — | — | — | — | — | 8:12 | — | 8:13 |
— | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 1 | — | — | — | — | — | — | — | 2 | 3 | 1 | |
Temp °C | 18 | 20 | 25 | 27 | 27 | 23 | 20 | 17 | 14 | 15 | 14 | 14 | 14 | 15 | 13 | 12 | 11 | 12 | 15 | 14 | 12 | 13 | 13 | 11 |
15 | 18 | 23 | 25 | 25 | 21 | 18 | 15 | 12 | 13 | 12 | 12 | 13 | 14 | 11 | 10 | 10 | 9 | 13 | 10 | 7 | 11 | 8 | 7 | |
Swell 1 Height (m) Direction Period (s) | SE 7 | SE 7 | SE 7 | SSE 7 | SSE 7 | SE 7 | SE 6 | SSE 6 | SE 6 | SE 6 | SE 6 | NE 4 | NE 4 | ENE 4 | SSE 8 | SSE 8 | NE 4 | NE 4 | ENE 8 | NE 6 | ENE 6 | NE 6 | ENE 10 | S 5 |
 kJ | 33 | 32 | 31 | 32 | 26 | 21 | 19 | 16 | 11 | 6 | 6 | 4 | 2 | 2 | 6 | 6 | 8 | 6 | 26 | 10 | 15 | 8 | 31 | 78 |
Swell 2 Height (m) Direction Period (s) | E 15 | E 15 | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 | E 6 | — | — | SE 6 | SSE 6 | SSE 8 | E 9 | E 9 | E 9 | E 8 | SSE 8 | E 8 | E 8 | ENE 8 | ENE 5 | ENE 9 |
| kJ | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | — | — | 6 | 4 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 12 | 6 | 29 |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 14 | E 14 | — | E 14 | E 14 | — | — | — | E 11 | SE 8 | E 9 | E 13 | E 12 | SSE 8 | SSE 8 | E 12 | E 12 | E 10 | SE 8 | E 15 | NE 5 |
| kJ | — | — | — | 4 | 4 | — | 4 | 4 | — | — | — | 2 | 3 | 7 | 3 | 3 | 6 | 6 | 3 | 3 | 2 | 3 | 4 | 1 |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 4 | SW 3 | WSW 3 | WSW 2 | NNW 2 | NNE 3 | NNE 3 | NE 4 | NE 4 | NE 4 | — | — | — | NE 4 | NE 3 | — | — | — | SE 8 | SSE 4 | S 4 | SSE 4 | W 4 |
| kJ | 12 | 10 | 6 | 2 | 1 | 1 | 3 | 5 | 3 | 3 | 3 | — | — | — | 2 | 5 | — | — | — | 17 | 13 | 11 | 49 | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 54 | 54 | 54 | 381 | 154 | 145 | 166 | 170 | 170 | 170 | 152 | 258 | 211 | 118 | 183 | 183 | 216 | 260 | 499 | 499 | 499 | 499 | 9 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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