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Coastguard Beach Surf Forecast
/ Massachusetts (29 breaks) / Massachusetts (28 breaks) /
Surf Forecasts:
Coastguard Beach surfForecast / Massachusetts / USA
48hr Weather and Surf, issued 7 pm Monday 11 May 2026 EDTForecast update in hr min s Forecast update imminent
Coastguard Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Coastguard Beach sea temperature is
9.3° C
(Which is slightly warmer than usual)How big are the waves at Coastguard Beach today?
The current surf forecast for Coastguard Beach at 1AM is: 0.7m 8s primary swell from a East-southeast direction (forecast issued at 07:00pm May 11). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 2ft (0.6m) | 8s |
| Afternoon (12 May) | 1.5ft (0.5m) | 7s |
| Evening (12 May) | 1.5ft (0.4m) | 7s |
Table - waves today at Coastguard Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 16mm), heaviest on Thu afternoon. Very mild (max 13°C on Wed night, min 8°C on Tue morning). Winds increasing (light winds from the NNE on Tue afternoon, fresh winds from the S by Wed afternoon). | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 8 | E 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 7 | E 7 | E 7 | E 7 | S 5 | S 5 | SSE 5 | SSE 5 | SE 5 | SE 5 | ESE 4 | ESE 5 | |
44 | 21 | 68 | 66 | 48 | 44 | 29 | 28 | 16 | 15 | 15 | 8 | 5 | 4 | 4 | 4 | 41 | 47 | 64 | 73 | 53 | 41 | 35 | 50 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross | cross-off | off | cross-off | cross | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | |
High Tide | 7:37PM2.46m | 7:55AM2.46m | 8:26PM2.63m | 8:51AM2.55m | 9:14PM2.83m | 9:45AM2.66m | ||||||||||||||||||
Low Tide | 1:48AM0.84m | 2:07PM0.70m | 2:43AM0.65m | 2:56PM0.61m | 3:35AM0.45m | |||||||||||||||||||
 |  |  |  | |  |  | | | | | | | | | | | | | | | |  |  | |
 | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — |
 | 7:47 | — | — | — | — | — | — | — | 7:49 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | 7:51 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 7 | |
Temp °C | 11 | 9 | 9 | 9 | 9 | 8 | 8 | 9 | 10 | 10 | 11 | 11 | 10 | 11 | 12 | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 11 | 11 |
6 | 5 | 5 | 5 | 4 | 1 | 2 | 5 | 5 | 4 | 5 | 5 | 5 | 6 | 5 | 4 | 4 | 5 | 6 | 8 | 8 | 8 | 7 | 5 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 7 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 7 | NNE 4 | E 7 | E 7 | E 7 | ESE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 10 | ESE 10 | ESE 10 | ESE 10 | E 8 |
 kJ | 44 | 21 | 68 | 66 | 48 | 44 | 29 | 28 | 6 | 15 | 15 | 8 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 2 | 20 | 20 | 10 | 1 |
Swell 2 Height (m) Direction Period (s) | N 3 | E 8 | — | — | SW 3 | SSW 4 | E 12 | E 12 | E 7 | NNE 4 | NNE 4 | NE 4 | E 6 | E 7 | E 6 | E 10 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | E 8 | E 8 | E 12 |
| kJ | 2 | 21 | — | — | 2 | 1 | 3 | 3 | 16 | 3 | 2 | 1 | 3 | 4 | 3 | 2 | 2 | 8 | 8 | 20 | 10 | 1 | 5 | 3 |
Swell 3 Height (m) Direction Period (s) | E 12 | N 3 | E 14 | E 14 | E 15 | — | SW 4 | E 11 | E 11 | E 11 | E 11 | E 13 | NE 4 | E 12 | E 10 | E 12 | E 13 | ENE 7 | E 13 | — | NE 12 | E 12 | E 12 | — |
| kJ | 3 | 1 | 4 | 4 | 4 | — | 1 | 2 | 3 | 2 | 2 | 3 | 1 | 3 | 2 | 3 | 3 | 5 | 4 | — | 6 | 3 | 3 | — |
Wind waves Height (m) Direction Period (s) | NNE 3 | SE 2 | — | SW 2 | NW 2 | NNW 4 | N 4 | N 4 | — | SSW 2 | SW 4 | SW 4 | SW 4 | SW 4 | SSW 4 | S 4 | S 5 | S 5 | SSE 5 | SSE 5 | SE 5 | SE 5 | ESE 4 | ESE 5 |
| kJ | 2 | 1 | — | 1 | 1 | 15 | 21 | 13 | — | 1 | 13 | 24 | 11 | 19 | 34 | 22 | 41 | 47 | 64 | 73 | 53 | 41 | 35 | 50 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 66 | 69 | 0 | 0 | 94 | 94 | 104 | 102 | 17 | 132 | 129 | 11 | 11 | 17 | 132 | 1243 | 852 | 929 | 552 | 757 | 496 | 372 | 333 | 308 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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