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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 pm Tuesday 31 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
4.1° 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 4AM is: 1.2m 6s primary swell from a South direction and 0.4m 5s secondary swell from a Northeast direction, 0.5m 5s secondary swell from a Northeast direction (forecast issued at 07:00pm March 31). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Apr) | 4.5ft (1.4m) | 7s |
| Afternoon (01 Apr) | 3ft (0.9m) | 9s |
| Evening (01 Apr) | 2.5ft (0.7m) | 9s |
Table - waves today at Plum Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 31 | Wednesday 01 | Thursday 02 | Friday 03 | |||||||||||||||||||||
| 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 | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 9 | 9 | 6 | 7 | 6 | 9 | 9 | 9 | 9 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 42 | 35 | 70 | 71 | 108 | 176 | 40 | 126 | 96 | 71 | 52 | 56 | 99 | 159 | 190 | 203 | 151 | 117 | 102 | 140 | 154 | 159 | 163 | 192 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross- on | cross | cross- off | cross- off | off | cross- on | cross- on | on | cross- on | cross- on | cross- on | on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross | cross | cross- off |
High Tide / height (m) | 11:59PM 2.51 | 12:19PM 2.54 | 12:37AM 2.55 | 1:00PM 2.48 | 1:12AM 2.55 | 1:37PM 2.41 | ||||||||||||||||||
Low Tide / height (m) | 6:09PM -0.09 | 6:31AM -0.10 | 6:52PM -0.09 | 7:15AM -0.16 | 7:33PM -0.05 | 7:57AM -0.17 | ||||||||||||||||||
Tuesday 31 | Wednesday 01 | Thursday 02 | Friday 03 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:22 | - | - |
| Sunset | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:08 | - | - | - | - | - | - | - |
 |  |  | | | | |  | | | | | |  | | | | | | | | | |  | |
Rain (mm) | - | - | 1 | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 2 | 2 | 4 | 6 | 13 | 14 | 20 | 10 | 5 | 4 | 4 | 2 | 1 | 0 | -1 | -1 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 9 |
| Feels °C (?) | -4 | -3 | 1 | 4 | 11 | 12 | 18 | 5 | 1 | 0 | -1 | -3 | -5 | -7 | -8 | -8 | -6 | -6 | -5 | -5 | -3 | -3 | -2 | 5 |
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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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