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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 7 am Saturday 28 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
4.0° 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 11AM is: 0.9m 6s primary swell from a Northeast direction and 0.2m 9s secondary swell from a East-southeast direction, 0.3m 6s secondary swell from a Southeast direction (forecast issued at 07:00am March 28). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Mar) | 3ft (0.9m) | 5s |
| Afternoon (28 Mar) | 2.5ft (0.7m) | 5s |
| Evening (28 Mar) | 1.5ft (0.4m) | 8s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 28 | Sunday 29 | Monday 30 | Tue 31 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 5 | 6 | 5 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 6 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 60 | 45 | 47 | 30 | 17 | 17 | 16 | 12 | 12 | 16 | 13 | 6 | 6 | 6 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 73 | 10 | 5 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross- on | cross- on | glass | glass | off | off | off | cross- off | off | 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 |
High Tide / height (m) | 8:29AM 2.49 | 9:22PM 2.22 | 9:40AM 2.51 | 10:24PM 2.33 | 10:42AM 2.55 | 11:15PM 2.44 | ||||||||||||||||||
Low Tide / height (m) | 2:49AM 0.35 | 3:34PM 0.06 | 3:54AM 0.25 | 4:31PM -0.00 | 4:51AM 0.12 | 5:22PM -0.06 | ||||||||||||||||||
Saturday 28 | Sunday 29 | Monday 30 | Tue 31 | |||||||||||||||||||||
| Sunrise | - | 6:33 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:04 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:06 | - | - | - |
 |  | | | | |  | | |  | | | | | | | | |  | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | -3 | -3 | -2 | -1 | 1 | 2 | 1 | -1 | -1 | -1 | 3 | 7 | 9 | 9 | 4 | 4 | 4 | 4 | 9 | 15 | 15 | 12 | 10 | 10 |
| Feels °C (?) | -9 | -8 | -7 | -5 | -3 | -2 | -6 | -7 | -7 | -8 | -4 | 0 | 3 | 3 | -2 | -2 | -2 | -2 | 3 | 9 | 9 | 6 | 5 | 6 |
- 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
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