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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 7 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 1PM is: 0.4m 8s primary swell from a Southeast direction and 0.3m 3s secondary swell from a East-northeast direction, 0.2m 3s secondary swell from a South-southeast direction (forecast issued at 07:00am May 18). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 1.5ft (0.5m) | 8s |
| Afternoon (18 May) | 1.5ft (0.4m) | 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 NW by Wed night). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 9 | E 16 | E 16 | E 16 | E 16 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | |
21 | 29 | 20 | 20 | 20 | 20 | 15 | 20 | 28 | 27 | 26 | 25 | 19 | 5 | 5 | 5 | 5 | 24 | 27 | 29 | 22 | 21 | 21 | 21 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | on | on | cross-on | cross | cross | cross | cross | cross | cross | off | cross | cross | cross | cross | cross | cross-off | cross-off | off | off | off | off | |
High Tide | 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 | — | — | — | — | — | — | 5:15 |
 | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:01 | — | 8:02 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 18 | 17 | 18 | 19 | 22 | 22 | 22 | 22 | 23 | 29 | 33 | 28 | 27 | 26 | 24 | 24 | 24 | 29 | 31 | 27 | 23 | 20 | 15 |
17 | 16 | 13 | 13 | 16 | 21 | 20 | 20 | 21 | 22 | 27 | 30 | 25 | 26 | 24 | 22 | 22 | 23 | 27 | 28 | 24 | 22 | 17 | 9 | |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 5 | SSE 5 | SSE 5 | S 4 | SE 9 | SE 8 | SSE 5 | E 16 | SSE 6 | SSE 7 | SSE 8 | SE 8 | SE 9 | S 4 | SE 9 | SSE 6 | SSE 6 | SE 9 |
 kJ | 21 | 29 | 20 | 20 | 20 | 20 | 32 | 24 | 13 | 10 | 26 | 25 | 33 | 5 | 90 | 62 | 66 | 24 | 27 | 6 | 22 | 10 | 12 | 21 |
Swell 2 Height (m) Direction Period (s) | SSE 5 | E 15 | ENE 3 | ENE 3 | ENE 4 | — | SE 8 | SE 9 | SE 9 | SE 9 | E 13 | E 13 | SE 9 | — | E 16 | E 16 | E 16 | E 16 | E 16 | SE 9 | SSE 5 | SE 9 | SE 9 | SSE 6 |
| kJ | 5 | 4 | 1 | 2 | 1 | — | 15 | 20 | 28 | 27 | 3 | 3 | 19 | — | 5 | 5 | 5 | 5 | 5 | 29 | 5 | 21 | 21 | 6 |
Swell 3 Height (m) Direction Period (s) | E 15 | — | E 15 | E 14 | E 14 | E 13 | — | — | E 13 | E 13 | — | E 16 | SSE 7 | — | — | E 16 | E 12 | E 16 | E 12 | SE 12 | SE 12 | E 12 | E 14 | E 14 |
| kJ | 4 | — | 4 | 4 | 4 | 4 | — | — | 3 | 3 | — | 5 | 5 | — | — | 5 | 3 | 5 | 3 | 6 | 6 | 3 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | NE 3 | ENE 3 | ESE 4 | SSE 3 | SE 4 | SE 4 | WSW 3 | SW 3 | SW 3 | SW 3 | S 4 | S 5 | SW 3 | SSE 6 | SW 3 | WSW 3 | WSW 4 | SSW 4 | SSW 4 | W 3 | W 4 | W 4 | WNW 3 | NW 3 |
| kJ | 2 | 2 | 1 | 1 | 6 | 18 | 1 | 2 | 2 | 2 | 13 | 12 | 2 | 103 | 6 | 5 | 8 | 19 | 16 | 8 | 9 | 9 | 7 | 9 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 70 | 158 | 158 | 490 | 490 | 490 | 158 | 36 | 33 | 70 | 376 | 376 | 70 | 25 | 25 | 25 | 144 | 370 | 570 | 376 | 70 | 70 | 70 | 70 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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