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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 am Sunday 17 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
10.0° C
(Which is normal for this time of year)How big are the waves at Coastguard Beach today?
The current surf forecast for Coastguard Beach at 7AM is: 0.6m 8s primary swell from a South-southeast direction and 0.2m 8s secondary swell from a East-northeast direction (forecast issued at 01:00am May 17). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 2ft (0.6m) | 8s |
| Afternoon (17 May) | 1.5ft (0.4m) | 8s |
| Evening (17 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 ForecastLight rain (total 3mm), mostly falling on Sun morning. Warm (max 25°C on Sun afternoon, min 13°C on Mon night). Winds increasing (light winds from the SE on Mon afternoon, fresh winds from the SW by Tue afternoon). | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ENE 9 | SE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 7 | SE 7 | SE 7 | SE 3 | SSE 4 | SSE 4 | SE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | |
26 | 18 | 43 | 31 | 22 | 16 | 16 | 21 | 28 | 14 | 21 | 14 | 25 | 6 | 11 | 10 | 10 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 11:42PM3.32m | 12:24PM2.91m | 00:34AM3.38m | 1:18PM2.92m | 1:28AM3.37m | 2:13PM2.89m | ||||||||||||||||||
Low Tide | 6:11AM-0.05m | 6:19PM0.33m | 7:04AM-0.11m | 7:13PM0.33m | 7:58AM-0.09m | 8:09PM0.38m | ||||||||||||||||||
 |  |  |  | |  |  | | | | | | | | | |  | | | | | | | | |
 | — | 5:18 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:53 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — | — | — | 7:55 | — | — |
— | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | |
Temp °C | 15 | 14 | 16 | 21 | 24 | 25 | 24 | 23 | 17 | 15 | 14 | 14 | 14 | 14 | 13 | 16 | 18 | 16 | 18 | 21 | 22 | 21 | 18 | 18 |
8 | 9 | 13 | 19 | 21 | 22 | 21 | 20 | 12 | 10 | 9 | 9 | 10 | 9 | 10 | 14 | 16 | 14 | 15 | 18 | 18 | 16 | 13 | 12 | |
Swell 1 Height (m) Direction Period (s) | ENE 9 | SE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SW 4 | SE 8 | SE 8 | SSE 7 | SE 7 | NNE 4 | NNE 4 | NNE 4 | NE 4 | SE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
 kJ | 15 | 18 | 43 | 31 | 22 | 16 | 16 | 7 | 28 | 14 | 21 | 14 | 3 | 2 | 2 | 1 | 10 | 7 | 7 | 7 | 7 | 7 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | SE 8 | ENE 8 | E 8 | E 8 | E 8 | NE 8 | — | SE 8 | SW 4 | SSW 4 | — | NE 4 | — | E 13 | — | E 9 | NE 4 | — | E 13 | E 13 | E 13 | E 16 | E 16 | E 16 |
| kJ | 11 | 13 | 5 | 5 | 5 | 2 | — | 21 | 3 | 2 | — | 4 | — | 4 | — | 2 | 1 | — | 3 | 3 | 3 | 5 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | ENE 9 | — | ENE 8 | — | — | E 14 | E 15 | S 7 | — | — | E 14 | — | — | — | E 13 | NNE 4 | E 13 | E 13 | — | E 13 | E 16 | — | E 16 | — |
| kJ | 26 | — | 13 | — | — | 4 | 4 | 1 | — | — | 4 | — | — | — | 3 | 1 | 3 | 3 | — | 3 | 5 | — | 5 | — |
Wind waves Height (m) Direction Period (s) | SSW 5 | SW 5 | SW 4 | SW 3 | SSW 4 | SSW 4 | SW 4 | WSW 5 | NE 2 | NE 3 | NE 4 | ESE 3 | SE 7 | SE 3 | SSE 4 | SSE 4 | S 4 | SSW 4 | SW 4 | SSW 4 | SSW 4 | SSW 5 | SW 5 | SW 5 |
| kJ | 74 | 57 | 7 | 7 | 11 | 31 | 20 | 21 | 2 | 6 | 6 | 2 | 25 | 6 | 11 | 10 | 9 | 11 | 15 | 31 | 42 | 74 | 73 | 91 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 69 | 120 | 4 | 11 | 10 | 140 | 11 | 99 | 66 | 116 | 308 | 313 | 477 | 477 | 477 | 477 | 552 | 167 | 167 | 375 | 1243 | 167 | 129 | 371 |
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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