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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 Wednesday 29 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
7.8° C
(Which is 1.0°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: 2.1m 10s primary swell from a East direction (forecast issued at 01:00am April 29). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | 7ft (2.1m) | 10s |
| Afternoon (29 Apr) | 6ft (1.9m) | 10s |
| Evening (29 Apr) | 6.5ft (2.0m) | 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 9mm), mostly falling on Wed night. Very mild (max 13°C on Fri afternoon, min 5°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 1 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
E 9 | E 10 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | 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 | |
553 | 786 | 882 | 878 | 783 | 727 | 644 | 717 | 741 | 850 | 833 | 761 | 702 | 664 | 587 | 567 | 497 | 400 | 337 | 329 | 322 | 322 | 322 | 270 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-off | glassy | off | glassy | cross-off | cross-off | off | cross-off | cross-off | glassy | off | off | off | |
High Tide | 11:17AM2.37m | 11:32PM2.51m | 12:00PM2.34m | 00:08AM2.52m | 12:39PM2.31m | |||||||||||||||||||
Low Tide | 5:24AM-0.02m | 5:42PM0.05m | 6:10AM-0.09m | 6:25PM0.08m | 6:54AM-0.13m | 7:06PM0.13m | ||||||||||||||||||
 | |  | | | | |  | | |  | | | | | | |  |  | | |  | | | |
 | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:40 | — | — | — | — | — | — | — | 7:42 | — | — | — | — | — | — | — | 7:43 | — | — |
— | — | — | — | — | — | — | 1 | 1 | 2 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | 1 | — | |
Temp °C | 6 | 6 | 6 | 6 | 7 | 6 | 7 | 7 | 8 | 8 | 9 | 10 | 11 | 11 | 11 | 10 | 9 | 7 | 9 | 12 | 12 | 13 | 10 | 7 |
3 | 2 | 2 | 2 | 3 | 2 | 4 | 5 | 6 | 5 | 7 | 9 | 10 | 9 | 10 | 8 | 6 | 3 | 4 | 7 | 10 | 8 | 5 | 2 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 10 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | 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 |
 kJ | 553 | 786 | 882 | 878 | 783 | 727 | 644 | 717 | 741 | 850 | 833 | 761 | 702 | 664 | 587 | 567 | 497 | 400 | 337 | 329 | 322 | 322 | 322 | 270 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | SE 4 | — | — | — | — | — | — | — | — | — | — | WNW 2 | WNW 3 | W 3 | — | WNW 3 | W 3 |
| kJ | — | — | — | — | — | — | — | 6 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | 4 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 25 | 13 | 25 | 25 | 25 | 25 | 25 | 25 | 52 | 52 | 75 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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