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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 pm Saturday 16 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
9.5° C
(Which is normal for this time of year)How big are the waves at Plum Island today?
The current surf forecast for Plum Island at 8PM is: 0.9m 9s primary swell from a East-southeast direction and 0.1m 11s secondary swell from a Southeast direction, 1.0m 5s secondary swell from a South direction (forecast issued at 01:00pm May 16). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 4.5ft (1.3m) | 10s |
| Afternoon (16 May) | 3.5ft (1.1m) | 9s |
| Evening (16 May) | 3ft (0.9m) | 9s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 28°C on Tue morning, min 13°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | SSE 6 | SE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 4 | SE 8 | SE 9 | SE 9 | SE 9 | |
237 | 193 | 146 | 116 | 88 | 84 | 62 | 41 | 67 | 58 | 31 | 39 | 31 | 30 | 29 | 21 | 20 | 20 | 46 | 25 | 25 | 27 | 28 | 27 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | off | cross-off | cross | on | on | on | on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | |
High Tide | 11:47AM2.55m | 00:02AM3.01m | 12:39PM2.58m | 00:53AM3.06m | 1:32PM2.57m | 1:46AM3.05m | ||||||||||||||||||
Low Tide | 6:14PM-0.00m | 6:58AM-0.39m | 7:05PM-0.01m | 7:50AM-0.41m | 7:58PM0.02m | |||||||||||||||||||
 | | |  |  |  | | | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:16 | — |
 | — | — | 7:59 | — | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:00 | — | — | — | 8:01 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 23 | 25 | 21 | 17 | 17 | 17 | 18 | 25 | 27 | 27 | 24 | 20 | 16 | 14 | 13 | 14 | 14 | 15 | 15 | 15 | 16 | 17 | 19 |
16 | 19 | 21 | 17 | 13 | 13 | 15 | 16 | 21 | 23 | 24 | 23 | 18 | 14 | 12 | 10 | 10 | 9 | 10 | 11 | 12 | 15 | 16 | 18 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SSE 6 | SSE 6 | SE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | — | — | SE 8 | SE 9 | SE 9 | SE 9 |
 kJ | 237 | 193 | 146 | 116 | 88 | 84 | 40 | 41 | 67 | 58 | 31 | 39 | 31 | 30 | 29 | 21 | 20 | 20 | — | — | 21 | 27 | 28 | 27 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | SE 11 | SSE 11 | SE 8 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | — | E 15 | E 15 | NE 4 | NE 3 | NE 3 | — | E 14 | E 13 | E 13 | E 13 | E 13 | E 13 |
| kJ | 32 | 31 | 30 | 5 | 22 | 25 | 62 | 38 | 12 | 5 | 6 | — | 4 | 4 | 1 | 2 | 2 | — | 4 | 4 | 3 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SE 11 | — | SSE 9 | — | SSE 8 | — | WNW 3 | — | E 15 | — | E 15 | E 15 | E 15 | E 15 | E 18 | E 18 | E 18 | E 17 | — | — | — |
| kJ | — | — | — | 5 | — | 17 | — | 7 | — | 1 | — | 4 | — | 4 | 4 | 4 | 4 | 6 | 6 | 6 | 6 | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 3 | SSW 3 | S 4 | S 5 | S 6 | S 5 | WSW 4 | WSW 3 | WSW 3 | WSW 3 | WNW 2 | N 3 | N 2 | NE 3 | NNE 3 | ESE 3 | ESE 3 | SE 3 | SE 8 | SSE 4 | SSE 4 | SSE 4 | S 4 | S 4 |
| kJ | 4 | 3 | 9 | 51 | 86 | 83 | 9 | 4 | 2 | 2 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 2 | 46 | 25 | 25 | 18 | 17 | 17 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 4 | 0 | 926 | 595 | 4 | 0 | 0 | 0 | 13 | 13 | 54 | 54 | 145 | 152 | 319 | 319 | 499 | 170 | 170 | 499 | 211 | 54 | 14 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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