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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 Monday 23 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: 1.9m 7s primary swell from a East-northeast direction and 0.7m 10s secondary swell from a Southeast direction, 0.1m 12s secondary swell from a East direction (forecast issued at 01:00pm March 23). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Mar) | 5ft (1.5m) | 5s |
| Afternoon (23 Mar) | 6ft (1.8m) | 6s |
| Evening (23 Mar) | 6ft (1.9m) | 7s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | |||||||||||||||||||||
| 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) (?) | 6 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 198 | 245 | 295 | 373 | 408 | 437 | 471 | 510 | 422 | 363 | 283 | 206 | 173 | 113 | 81 | 43 | 45 | 31 | 31 | 18 | 17 | 8 | 7 | 7 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- off | cross | cross | cross | cross- on | cross | cross | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off |
High Tide / height (m) | 3:45PM 2.46 | 4:04AM 2.79 | 4:41PM 2.33 | 5:01AM 2.69 | 5:42PM 2.21 | 6:04AM 2.58 | ||||||||||||||||||
Low Tide / height (m) | 10:04AM -0.23 | 10:13PM 0.09 | 11:03AM -0.11 | 11:13PM 0.23 | 12:09PM 0.00 | 12:23AM 0.35 | ||||||||||||||||||
Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:35 |
| Sunset | - | - | 6:58 | - | - | - | - | - | - | - | 6:59 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - |
 | | |  | | |  |  | |  | | |  | |  | | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - |
| Temp. °C | 0 | 1 | 1 | 2 | 1 | 0 | -1 | -2 | 0 | 2 | 4 | 3 | 1 | 1 | 1 | 0 | 4 | 9 | 10 | 8 | 6 | 5 | 4 | 5 |
| Feels °C (?) | -8 | -7 | -7 | -4 | -4 | -4 | -7 | -8 | -4 | -2 | -3 | -4 | -6 | -6 | -5 | -6 | -2 | 4 | 4 | 3 | 0 | -1 | -1 | -2 |
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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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