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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 Tuesday 19 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
9.7° 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 7PM is: 1.4m 6s primary swell from a South-southeast direction and 0.1m 16s secondary swell from a East direction, 1.0m 6s secondary swell from a South-southeast direction (forecast issued at 01:00pm May 19). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 1.5ft (0.4m) | 9s |
| Afternoon (19 May) | 3ft (0.9m) | 5s |
| Evening (19 May) | 5ft (1.6m) | 6s |
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 34°C on Tue afternoon, min 11°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SE 9 | SE 8 | SSE 6 | S 6 | SSE 7 | SSE 7 | SSE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | NE 5 | NE 5 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | |
26 | 24 | 67 | 193 | 118 | 62 | 58 | 26 | 27 | 29 | 29 | 21 | 21 | 29 | 29 | 29 | 34 | 23 | 12 | 13 | 13 | 13 | 13 | 13 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | on | cross-on | cross | cross-off | cross-off | cross | cross-off | cross-off | |
High Tide | 2:26PM2.53m | 2:40AM2.98m | 3:22PM2.48m | 3:37AM2.87m | 4:21PM2.42m | 4:37AM2.73m | ||||||||||||||||||
Low Tide | 8:45AM-0.37m | 8:54PM0.08m | 9:42AM-0.28m | 9:54PM0.16m | 10:41AM-0.17m | 10:58PM0.24m | ||||||||||||||||||
 | |  | |  | | | | | | | |  |  | |  | | | | | | | | | |
 | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:13 | — |
 | — | — | — | 8:01 | — | — | — | — | — | — | — | 8:02 | — | — | — | — | — | — | — | 8:04 | — | — | — | 8:05 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 31 | 34 | 34 | 25 | 24 | 23 | 22 | 24 | 29 | 29 | 28 | 24 | 20 | 16 | 13 | 11 | 11 | 13 | 13 | 14 | 12 | 12 | 11 | 11 |
31 | 32 | 32 | 25 | 25 | 23 | 22 | 23 | 27 | 26 | 25 | 22 | 17 | 11 | 8 | 7 | 8 | 9 | 9 | 10 | 8 | 7 | 7 | 8 | |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 8 | SE 9 | SSE 6 | SSE 7 | SSE 7 | SSE 8 | SE 9 | SSE 4 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | NE 5 | NE 4 | SE 9 | SE 9 | SE 9 | SE 9 | NE 4 |
 kJ | 26 | 24 | 19 | 161 | 118 | 62 | 58 | 26 | 7 | 29 | 29 | 21 | 21 | 29 | 29 | 29 | 12 | 23 | 7 | 13 | 13 | 13 | 13 | 2 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 13 | E 16 | E 16 | E 16 | E 16 | E 16 | E 16 | SE 9 | SSE 5 | SSE 5 | SSE 5 | SSE 6 | E 14 | E 14 | NW 3 | SE 5 | SE 9 | SE 9 | NE 4 | — | SE 5 | NE 3 | SE 9 |
| kJ | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 27 | 5 | 6 | 3 | 3 | 4 | 4 | 1 | 1 | 12 | 12 | 2 | — | 1 | 2 | 13 |
Swell 3 Height (m) Direction Period (s) | — | E 16 | E 13 | — | — | — | E 16 | E 12 | E 16 | SE 12 | SE 12 | E 12 | E 14 | E 15 | E 15 | E 14 | E 14 | SE 6 | E 14 | SE 6 | SE 5 | — | SE 5 | S 5 |
| kJ | — | 5 | 3 | — | — | — | 5 | 3 | 5 | 6 | 6 | 3 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 1 | 1 | — | 1 | 1 |
Wind waves Height (m) Direction Period (s) | S 5 | S 4 | SSE 6 | S 6 | WSW 3 | SW 3 | SW 3 | SSW 4 | WSW 3 | W 3 | W 3 | W 3 | WNW 3 | NW 3 | NW 3 | NNE 4 | NE 5 | — | SSE 6 | — | NNE 4 | NE 2 | ENE 2 | — |
| kJ | 25 | 24 | 67 | 193 | 3 | 2 | 5 | 11 | 4 | 4 | 8 | 6 | 4 | 3 | 5 | 6 | 34 | — | 3 | — | 1 | 1 | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 182 | 0 | 0 | 0 | 0 | 0 | 17 | 377 | 377 | 354 | 54 | 118 | 152 | 170 | 169 | 169 | 235 | 211 | 509 | 211 | 211 | 211 | 880 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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