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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 pm 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 10PM is: 0.4m 8s primary swell from a Southeast direction and 0.6m 5s secondary swell from a East-southeast direction, 0.6m 4s secondary swell from a South direction (forecast issued at 07:00pm May 18). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | - | - |
| Afternoon (18 May) | 1.5ft (0.4m) | 8s |
| Evening (18 May) | 3ft (0.9m) | 4s |
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 6mm), mostly falling on Tue night. Warm (max 32°C on Tue afternoon, min 10°C on Thu morning). Mainly fresh winds. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SE 8 | SE 4 | SE 8 | SE 9 | SE 9 | SE 9 | S 5 | SE 8 | SSE 6 | E 16 | E 16 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | NE 5 | NE 5 | |
20 | 27 | 20 | 27 | 28 | 27 | 25 | 25 | 77 | 5 | 5 | 25 | 33 | 27 | 28 | 29 | 29 | 21 | 21 | 21 | 29 | 29 | 25 | 18 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross-off | cross-off | off | cross-off | off | off | off | off | cross | on | |
High Tide | 1:10AM3.32m | 1:58PM2.80m | 2:06AM3.24m | 2:56PM2.75m | 3:05AM3.12m | |||||||||||||||||||
Low Tide | 6:53PM-0.03m | 7:39AM-0.43m | 7:48PM0.03m | 8:35AM-0.34m | 8:47PM0.11m | 9:34AM-0.22m | ||||||||||||||||||
 | |  |  | | | | |  |  |  | | | | | | | | |  | | |  | | |
 | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:15 | — | — | — |
 | — | 8:00 | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:01 | — | — | — | — | — | 8:02 |
— | — | — | 1 | — | — | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 20 | 20 | 20 | 21 | 22 | 28 | 32 | 28 | 23 | 23 | 23 | 23 | 24 | 29 | 30 | 27 | 23 | 19 | 14 | 12 | 10 | 10 | 10 |
11 | 18 | 18 | 18 | 19 | 20 | 26 | 29 | 27 | 24 | 23 | 22 | 22 | 23 | 27 | 28 | 23 | 20 | 14 | 8 | 5 | 4 | 6 | 5 | |
Swell 1 Height (m) Direction Period (s) | SE 8 | E 13 | ESE 5 | SE 9 | SSE 4 | SE 9 | SE 8 | SE 8 | SE 8 | SSE 6 | SSE 7 | SSE 7 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | NE 5 | NE 5 |
 kJ | 20 | 4 | 14 | 27 | 14 | 27 | 25 | 25 | 18 | 161 | 88 | 36 | 33 | 27 | 28 | 29 | 29 | 21 | 21 | 21 | 29 | 29 | 25 | 18 |
Swell 2 Height (m) Direction Period (s) | ENE 4 | E 18 | SE 8 | E 13 | SE 9 | E 13 | E 13 | E 13 | E 16 | E 16 | E 16 | SE 8 | E 16 | E 16 | SSE 5 | SSE 4 | SSE 5 | SSE 6 | SSE 6 | SSE 6 | E 14 | W 3 | SE 9 | SE 9 |
| kJ | 1 | 6 | 20 | 3 | 28 | 3 | 3 | 3 | 5 | 5 | 5 | 25 | 5 | 5 | 3 | 4 | 6 | 6 | 6 | 6 | 4 | 1 | 12 | 12 |
Swell 3 Height (m) Direction Period (s) | E 14 | E 17 | E 13 | — | E 13 | — | — | E 16 | E 13 | — | E 16 | E 16 | E 16 | E 16 | E 16 | SE 12 | SE 12 | E 12 | E 14 | E 14 | E 15 | E 14 | WNW 3 | SE 6 |
| kJ | 4 | 6 | 3 | — | 3 | — | — | 5 | 3 | — | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 3 | 4 | 4 | 4 | 4 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | SE 3 | SE 4 | S 4 | SSE 4 | SW 3 | S 4 | S 5 | S 4 | SSE 6 | — | WSW 3 | WSW 3 | SSW 4 | SSW 4 | SW 4 | W 3 | W 4 | WNW 4 | WNW 3 | NW 3 | NW 3 | NNW 3 | NNE 5 | — |
| kJ | 6 | 27 | 12 | 20 | 2 | 18 | 23 | 22 | 77 | — | 2 | 4 | 15 | 17 | 12 | 8 | 13 | 10 | 8 | 8 | 7 | 4 | 45 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 490 | 173 | 490 | 33 | 33 | 35 | 370 | 1274 | 35 | 25 | 25 | 25 | 28 | 370 | 376 | 70 | 70 | 133 | 95 | 173 | 158 | 160 | 28 | 490 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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