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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 1 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 4PM is: 0.6m 8s primary swell from a East-southeast direction (forecast issued at 01:00pm May 11). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 2ft (0.6m) | 8s |
| Afternoon (11 May) | 2ft (0.6m) | 8s |
| Evening (11 May) | 1.5ft (0.4m) | 8s |
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 12mm), heaviest on Thu morning. Very mild (max 13°C on Wed morning, min 9°C on Mon night). Winds increasing (light winds from the SSE on Tue afternoon, fresh winds from the S by Wed afternoon). | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 8 | ESE 8 | ESE 8 | E 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 7 | ESE 7 | E 7 | E 7 | E 7 | ESE 7 | ESE 7 | E 7 | E 7 | S 5 | S 5 | SSE 5 | SSE 5 | SSE 5 | SE 5 | |
31 | 45 | 44 | 21 | 68 | 66 | 46 | 34 | 29 | 28 | 17 | 15 | 15 | 15 | 5 | 5 | 4 | 4 | 50 | 46 | 61 | 85 | 69 | 63 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | on | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross-on | cross-on | |
High Tide | 7:37PM2.46m | 7:55AM2.46m | 8:26PM2.63m | 8:51AM2.55m | 9:14PM2.83m | |||||||||||||||||||
Low Tide | 1:18PM0.76m | 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 |
2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 11 | 9 | 10 | 9 | 9 | 9 | 9 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 12 | 11 | 12 | 12 | 13 | 13 | 12 |
7 | 6 | 6 | 5 | 6 | 5 | 3 | 3 | 3 | 6 | 7 | 5 | 5 | 5 | 6 | 6 | 7 | 6 | 3 | 6 | 6 | 8 | 8 | 7 | |
Swell 1 Height (m) Direction Period (s) | SE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 7 | ESE 7 | E 7 | E 7 | E 7 | ESE 7 | ESE 7 | E 7 | E 7 | E 6 | E 7 | E 7 | E 10 | ESE 10 | ESE 10 |
 kJ | 28 | 45 | 44 | 21 | 68 | 66 | 46 | 34 | 29 | 28 | 17 | 15 | 15 | 15 | 5 | 5 | 4 | 4 | 3 | 4 | 4 | 2 | 20 | 20 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 12 | N 3 | E 8 | — | — | E 15 | SE 7 | E 12 | E 12 | NNE 4 | NNE 4 | NNE 4 | NE 4 | E 7 | E 7 | E 6 | ENE 6 | E 7 | E 10 | E 10 | — | E 13 | E 8 |
| kJ | 31 | 3 | 2 | 21 | — | — | 4 | 14 | 3 | 3 | 5 | 3 | 1 | 1 | 4 | 4 | 3 | 4 | 4 | 8 | 8 | — | 3 | 1 |
Swell 3 Height (m) Direction Period (s) | E 12 | E 15 | E 12 | N 3 | E 14 | E 14 | E 15 | SW 4 | E 11 | E 11 | E 11 | E 11 | E 10 | E 13 | E 12 | E 10 | E 10 | E 10 | E 10 | NE 13 | E 13 | — | — | E 12 |
| kJ | 3 | 4 | 3 | 1 | 4 | 4 | 4 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 2 | 2 | 2 | 2 | 7 | 4 | — | — | 3 |
Wind waves Height (m) Direction Period (s) | N 4 | N 3 | — | SE 2 | — | SW 2 | WNW 3 | NNW 4 | N 4 | N 4 | — | SSW 2 | SSW 4 | SW 4 | SW 4 | SW 4 | SSW 4 | SSW 4 | S 5 | S 5 | SSE 5 | SSE 5 | SSE 5 | SE 5 |
| kJ | 4 | 4 | — | 1 | — | 1 | 5 | 22 | 21 | 8 | — | 1 | 8 | 16 | 11 | 12 | 21 | 24 | 50 | 46 | 61 | 85 | 69 | 63 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 8 | 66 | 66 | 65 | 2 | 0 | 94 | 94 | 104 | 102 | 17 | 132 | 129 | 11 | 11 | 17 | 132 | 1721 | 852 | 929 | 431 | 575 | 375 | 372 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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