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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 Wednesday 20 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
10.4° C
(Which is slightly warmer than usual)How big are the waves at Long Beach today?
The current surf forecast for Long Beach at 7AM is: 0.4m 8s primary swell from a Southeast direction and 0.1m 16s secondary swell from a East direction, 0.8m 4s secondary swell from a South-southwest direction (forecast issued at 01:00am May 20). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 1.5ft (0.4m) | 8s |
| Afternoon (20 May) | 1.5ft (0.4m) | 9s |
| Evening (20 May) | 1.5ft (0.4m) | 9s |
Table - waves today at Long Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 29°C on Wed afternoon, min 10°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
E 16 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | S 4 | SE 10 | |
5 | 23 | 25 | 27 | 28 | 41 | 21 | 21 | 21 | 29 | 28 | 28 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 17 | 17 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-on | on | cross-on | cross-on | cross-off | cross-off | cross-off | off | glassy | cross-on | cross-on | cross-on | cross | |
High Tide | 2:06AM3.24m | 2:56PM2.75m | 3:05AM3.12m | 3:57PM2.69m | 4:08AM2.97m | 5:00PM2.65m | ||||||||||||||||||
Low Tide | 8:35AM-0.34m | 8:47PM0.11m | 9:34AM-0.22m | 9:50PM0.20m | 10:36AM-0.09m | 10:57PM0.27m | ||||||||||||||||||
 |  |  | |  | | |  | | |  | | | | | | | | | | | | | | |
 | — | 5:15 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:01 | — | — | — | — | — | — | — | 8:02 | — | — | — | — | — | — | — | 8:04 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 22 | 23 | 28 | 29 | 28 | 25 | 21 | 17 | 14 | 12 | 10 | 10 | 10 | 11 | 12 | 12 | 12 | 11 | 13 | 14 | 16 | 15 | 14 |
21 | 21 | 21 | 26 | 27 | 25 | 22 | 18 | 13 | 10 | 8 | 6 | 6 | 4 | 6 | 10 | 6 | 8 | 8 | 10 | 8 | 9 | 7 | 8 | |
Swell 1 Height (m) Direction Period (s) | SSE 8 | S 5 | SE 8 | S 5 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | NE 4 | NE 4 | SE 9 | S 3 | SSE 3 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 |
 kJ | 83 | 11 | 25 | 11 | 28 | 41 | 21 | 21 | 21 | 29 | 28 | 28 | 12 | 5 | 12 | 6 | 2 | 13 | 13 | 13 | 14 | 15 | 15 | 15 |
Swell 2 Height (m) Direction Period (s) | E 16 | SE 8 | E 16 | SE 9 | SSE 5 | SE 12 | SSE 6 | SSE 6 | SSE 6 | E 14 | E 14 | E 14 | SE 9 | SE 9 | NE 4 | SE 9 | SE 9 | SSE 3 | — | — | — | SE 13 | SE 13 | SE 13 |
| kJ | 5 | 23 | 5 | 27 | 10 | 6 | 6 | 7 | 6 | 4 | 4 | 4 | 12 | 12 | 2 | 13 | 13 | 1 | — | — | — | 7 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | — | E 16 | E 16 | SE 12 | SE 12 | E 15 | E 12 | E 14 | E 14 | E 15 | E 15 | E 15 | E 14 | E 14 | E 15 | NE 4 | S 6 | SE 5 | E 13 | E 13 | E 13 | — | — | E 13 |
| kJ | — | 5 | 5 | 6 | 6 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 1 | 1 | 3 | 3 | 3 | — | — | 4 |
Wind waves Height (m) Direction Period (s) | WSW 3 | WSW 3 | SSW 4 | WSW 3 | WSW 3 | W 3 | W 3 | NW 3 | NNW 3 | N 4 | NNE 4 | NE 4 | SE 6 | SSE 6 | S 3 | — | — | — | NNE 2 | — | — | S 3 | S 4 | SSW 4 |
| kJ | 4 | 4 | 14 | 3 | 3 | 5 | 5 | 4 | 4 | 5 | 12 | 24 | 1 | 3 | 4 | — | — | — | 1 | — | — | 4 | 17 | 17 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 25 | 38 | 373 | 376 | 70 | 70 | 151 | 70 | 130 | 139 | 154 | 158 | 158 | 316 | 498 | 316 | 316 | 223 | 932 | 932 | 876 | 859 | 847 | 70 |
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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