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Long Beach Surf Forecast
/ Massachusetts (29 breaks) / Massachusetts (28 breaks) /
Surf Forecasts:
Long Beach surfForecast / Massachusetts / USA
48hr Weather and Surf, issued 1 am Monday 18 May 2026 EDTForecast update in hr min s Forecast update imminent
Long Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Long Beach sea temperature is
9.9° C
(Which is slightly warmer than usual)How big are the waves at Long Beach today?
The current surf forecast for Long Beach at 5AM is: 0.4m 8s primary swell from a Southeast direction and 0.4m 3s secondary swell from a East-northeast direction (forecast issued at 01:00am May 18). An open ocean swell of 0.2m 5s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 1.5ft (0.4m) | 8s |
| Afternoon (18 May) | 2.5ft (0.7m) | 8s |
| Evening (18 May) | 1.5ft (0.4m) | 8s |
Table - waves today at Long Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Tue night. Warm (max 33°C on Tue afternoon, min 12°C on Wed night). Winds increasing (light winds from the E on Mon morning, fresh winds from the WNW by Wed afternoon). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | E 16 | E 16 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | |
21 | 21 | 29 | 20 | 51 | 20 | 20 | 20 | 27 | 28 | 27 | 26 | 25 | 25 | 5 | 5 | 25 | 32 | 26 | 27 | 29 | 21 | 21 | 29 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross-on | on | on | on | cross | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross-off | cross-off | off | cross-off | off | |
High Tide | 00:17AM3.34m | 1:03PM2.84m | 1:10AM3.32m | 1:58PM2.80m | 2:06AM3.24m | 2:56PM2.75m | ||||||||||||||||||
Low Tide | 6:45AM-0.46m | 6:53PM-0.03m | 7:39AM-0.43m | 7:48PM0.03m | 8:35AM-0.34m | 8:47PM0.11m | ||||||||||||||||||
 |  |  |  | |  | | | | | | | | |  |  | | | | | |  | | | |
 | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:01 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | — | — | |
Temp °C | 20 | 18 | 16 | 14 | 15 | 16 | 20 | 21 | 20 | 22 | 23 | 29 | 33 | 32 | 25 | 24 | 23 | 22 | 24 | 29 | 30 | 28 | 24 | 19 |
17 | 15 | 13 | 9 | 11 | 11 | 18 | 19 | 19 | 21 | 22 | 27 | 30 | 30 | 23 | 23 | 21 | 21 | 23 | 27 | 27 | 24 | 22 | 14 | |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | E 14 | SE 8 | SE 8 | SE 8 | SE 9 | SSE 4 | SSE 4 | SSE 4 | SE 8 | SSE 5 | E 16 | SSE 6 | S 6 | SE 8 | SE 9 | S 4 | SE 9 | SE 9 | SE 9 | SE 9 |
 kJ | 21 | 21 | 29 | 20 | 4 | 20 | 20 | 20 | 27 | 13 | 7 | 7 | 25 | 23 | 5 | 107 | 35 | 32 | 26 | 9 | 29 | 21 | 21 | 29 |
Swell 2 Height (m) Direction Period (s) | SSE 5 | SSE 5 | E 15 | E 14 | E 18 | NE 4 | ENE 4 | ENE 4 | NE 4 | SE 9 | SE 9 | SE 9 | E 13 | SE 8 | — | E 16 | SE 8 | E 16 | E 16 | SE 9 | SSE 5 | SSE 5 | SSE 6 | SSE 6 |
| kJ | 5 | 2 | 4 | 4 | 6 | 4 | 1 | 1 | 1 | 28 | 27 | 26 | 3 | 25 | — | 5 | 25 | 5 | 5 | 27 | 9 | 6 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | E 15 | E 15 | — | E 18 | E 18 | E 14 | E 13 | E 13 | E 13 | — | E 13 | E 13 | E 16 | E 16 | — | — | E 16 | E 16 | E 16 | E 16 | SE 12 | SE 12 | E 12 | E 14 |
| kJ | 4 | 4 | — | 6 | 6 | 4 | 3 | 3 | 3 | — | 3 | 3 | 5 | 5 | — | — | 5 | 5 | 5 | 5 | 6 | 6 | 3 | 4 |
Wind waves Height (m) Direction Period (s) | NE 3 | ENE 3 | ENE 3 | ENE 4 | ESE 8 | SE 4 | SE 4 | SSE 4 | SSE 4 | WSW 3 | WSW 3 | SW 3 | S 3 | SW 3 | SSE 6 | SW 4 | WSW 4 | SW 4 | SW 4 | WSW 4 | W 3 | W 4 | W 4 | WNW 3 |
| kJ | 3 | 4 | 4 | 4 | 51 | 9 | 10 | 20 | 22 | 1 | 1 | 1 | 5 | 4 | 119 | 10 | 7 | 22 | 22 | 7 | 5 | 13 | 13 | 6 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 130 | 138 | 138 | 490 | 158 | 490 | 490 | 28 | 28 | 372 | 33 | 376 | 376 | 70 | 524 | 144 | 370 | 28 | 179 | 570 | 70 | 70 | 130 | 70 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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