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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 30 Apr 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
8.0° 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 7AM is: 2.0m 10s primary swell from a East-southeast direction (forecast issued at 01:00am April 30). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 6.5ft (2.0m) | 10s |
| Afternoon (30 Apr) | 6ft (1.8m) | 10s |
| Evening (30 Apr) | 5.5ft (1.7m) | 10s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Thu morning. Very mild (max 13°C on Fri afternoon, min 7°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 30 | Friday 1 | Saturday 2 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 8 | E 9 | E 9 | |
732 | 810 | 778 | 692 | 657 | 579 | 518 | 508 | 435 | 367 | 307 | 300 | 254 | 249 | 238 | 197 | 193 | 193 | 186 | 181 | 151 | 147 | 158 | 165 | |
Wind (km/h) | ||||||||||||||||||||||||
on | glassy | cross-off | glassy | glassy | glassy | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | cross-off | cross-off | glassy | cross | cross | cross | cross | |
High Tide | 11:32PM2.51m | 12:00PM2.34m | 00:08AM2.52m | 12:39PM2.31m | 00:43AM2.52m | 1:15PM2.27m | ||||||||||||||||||
Low Tide | 6:10AM-0.09m | 6:25PM0.08m | 6:54AM-0.13m | 7:06PM0.13m | 7:35AM-0.12m | 7:46PM0.20m | ||||||||||||||||||
 |  |  |  | | |  | | | |  | | | | |  | | | | | | | | | |
 | — | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:42 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:44 | — | — |
— | 1 | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 7 | 7 | 7 | 8 | 9 | 10 | 10 | 9 | 8 | 7 | 7 | 11 | 13 | 13 | 11 | 9 | 8 | 7 | 7 | 7 | 8 | 9 | 8 | 8 |
5 | 6 | 5 | 7 | 8 | 9 | 8 | 7 | 5 | 3 | 2 | 6 | 10 | 10 | 9 | 7 | 5 | 3 | 4 | 5 | 5 | 6 | 5 | 6 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 8 | E 9 | E 9 |
 kJ | 732 | 810 | 778 | 692 | 657 | 579 | 518 | 508 | 435 | 367 | 307 | 300 | 254 | 249 | 238 | 197 | 193 | 193 | 186 | 181 | 151 | 147 | 158 | 165 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NW 3 | — | — | E 15 | — | — | — | N 3 | N 3 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 4 | — | — | — | 1 | 1 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | NW 2 | NW 3 | — | — | — | — | — | — | NNW 2 | — | — | S 3 | S 3 | S 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — | — | — | — | 1 | — | — | 4 | 6 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 55 | 75 | 4 | 4 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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