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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 Sunday 29 Mar 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
3.9° 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 6PM is: 0.2m 8s primary swell from a East-southeast direction and 0.2m 7s secondary swell from a East direction (forecast issued at 01:00pm March 29). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Mar) | 1ft (0.3m) | 8s |
| Afternoon (29 Mar) | 0.5ft (0.2m) | 8s |
| Evening (29 Mar) | 3.5ft (1.1m) | 5s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 29 | Monday 30 | Tuesday 31 | Wednesday 01 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 4 | 5 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 8 | 9 | 9 | 5 | 5 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 13 | 13 | 7 | 38 | 76 | 10 | 10 | 10 | 11 | 11 | 79 | 84 | 56 | 31 | 26 | 18 | 14 | 27 | 29 | 30 | 33 | 69 | 154 | 211 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross | cross- on | cross- on | cross- on | glass | cross- off | cross- off |
High Tide / height (m) | 9:40AM 2.51 | 10:24PM 2.33 | 10:42AM 2.55 | 11:15PM 2.44 | 11:34AM 2.56 | 11:59PM 2.51 | ||||||||||||||||||
Low Tide / height (m) | 4:31PM -0.00 | 4:51AM 0.12 | 5:22PM -0.06 | 5:43AM -0.01 | 6:09PM -0.09 | 6:31AM -0.10 | ||||||||||||||||||
Sunday 29 | Monday 30 | Tuesday 31 | Wednesday 01 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:26 |
| Sunset | - | - | 7:05 | - | - | - | - | - | - | - | 7:06 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - |
 |  |  |  |  |  | | | | | | | | | | | | | |  | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 3 | 7 | 10 | 7 | 4 | 4 | 5 | 5 | 10 | 15 | 16 | 13 | 11 | 11 | 11 | 11 | 9 | 5 | 2 | 2 | 2 | 4 | 14 | 16 |
| Feels °C (?) | -4 | 1 | 4 | 0 | -2 | -2 | -2 | -2 | 4 | 10 | 11 | 8 | 7 | 8 | 9 | 9 | 7 | 0 | -4 | -3 | -1 | 2 | 11 | 12 |
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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
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