- Forecast
- Maps
- Live
- Weather State
- Spot Information
Plum Island Surf Forecast
/ Massachusetts (29 breaks) / Massachusetts (28 breaks) /
Surf Forecasts:
Plum Island surfForecast / Massachusetts / USA
48hr Weather and Surf, issued 7 am 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 1PM is: 0.7m 5s primary swell from a South direction and 0.4m 8s secondary swell from a Southeast direction, 0.1m 13s secondary swell from a East direction (forecast issued at 07:00am May 19). The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 1.5ft (0.4m) | 9s |
| Afternoon (19 May) | 2.5ft (0.7m) | 5s |
| Evening (19 May) | 5ft (1.5m) | 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 10°C on Thu morning). Winds decreasing (fresh winds from the WNW on Wed afternoon, calm by Thu morning). | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 9 | SE 9 | SE 9 | S 5 | SSE 5 | 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 | |
28 | 27 | 26 | 28 | 30 | 194 | 102 | 62 | 58 | 26 | 28 | 29 | 29 | 21 | 21 | 21 | 29 | 28 | 45 | 25 | 13 | 13 | 13 | 13 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross | cross-off | cross | cross | |
High Tide | 2:26PM2.53m | 2:40AM2.98m | 3:22PM2.48m | 3:37AM2.87m | 4:21PM2.42m | |||||||||||||||||||
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 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | 5:13 |
 | — | — | — | — | — | 8:01 | — | — | — | — | — | — | — | 8:02 | — | — | — | — | — | — | — | 8:04 | — | 8:05 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 22 | 30 | 33 | 34 | 25 | 24 | 24 | 23 | 24 | 29 | 30 | 27 | 23 | 20 | 16 | 13 | 10 | 12 | 13 | 14 | 15 | 13 | 12 |
19 | 22 | 29 | 31 | 32 | 25 | 25 | 25 | 23 | 24 | 28 | 27 | 25 | 21 | 17 | 11 | 7 | 5 | 10 | 10 | 9 | 11 | 9 | 8 | |
Swell 1 Height (m) Direction Period (s) | SSE 4 | SSE 4 | SE 9 | SE 8 | SSE 5 | SSE 6 | SSE 7 | SSE 7 | SSE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SSE 6 | SSE 6 | SE 9 | SE 9 | SE 9 | SE 9 | NE 5 | NE 4 | SE 9 | SE 9 | SE 9 |
 kJ | 16 | 11 | 26 | 24 | 30 | 113 | 102 | 62 | 58 | 26 | 28 | 29 | 29 | 6 | 11 | 21 | 29 | 28 | 20 | 25 | 7 | 13 | 13 | 13 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | E 13 | E 13 | SE 8 | E 16 | E 16 | E 16 | E 16 | E 16 | SSE 4 | S 5 | SSE 5 | SE 9 | SE 9 | SSE 6 | E 14 | W 3 | — | SE 9 | SE 9 | NE 4 | — | — |
| kJ | 28 | 27 | 3 | 3 | 18 | 5 | 5 | 5 | 5 | 5 | 6 | 8 | 6 | 21 | 21 | 6 | 4 | 1 | — | 12 | 13 | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | E 13 | E 13 | — | E 16 | SE 7 | — | E 16 | E 13 | E 16 | E 16 | E 16 | SE 12 | SE 12 | E 12 | E 14 | E 14 | E 15 | E 14 | E 14 | SE 5 | E 14 | NE 5 | — | SE 5 |
| kJ | 3 | 3 | — | 5 | 12 | — | 5 | 3 | 5 | 5 | 5 | 6 | 6 | 3 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 1 | — | 1 |
Wind waves Height (m) Direction Period (s) | WSW 3 | SW 3 | S 5 | S 5 | SW 3 | S 6 | W 3 | WSW 3 | WSW 3 | SSW 3 | WSW 3 | WSW 3 | WNW 3 | WNW 3 | WNW 3 | NW 3 | NW 3 | N 3 | NE 5 | — | SSE 5 | SSE 2 | — | — |
| kJ | 1 | 2 | 25 | 28 | 2 | 194 | 3 | 4 | 4 | 10 | 4 | 2 | 9 | 7 | 5 | 6 | 3 | 5 | 45 | — | 3 | 1 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 13 | 13 | 182 | 0 | 132 | 0 | 0 | 0 | 17 | 377 | 54 | 54 | 146 | 54 | 145 | 169 | 170 | 0 | 170 | 507 | 507 | 381 | 216 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Plum Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest