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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 Thursday 21 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
11.6° C
(Which is 1.7°C warmer than normal for this time of year)How big are the waves at Long Beach today?
The current surf forecast for Long Beach at 7AM is: 0.4m 9s primary swell from a Southeast direction and 0.1m 14s secondary swell from a East direction (forecast issued at 01:00am May 21). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 1.5ft (0.4m) | 9s |
| Afternoon (21 May) | 2ft (0.6m) | 5s |
| Evening (21 May) | 1ft (0.3m) | 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. Very mild (max 13°C on Thu night, min 10°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
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 9 | SE 9 | SE 9 | SE 9 | NE 5 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | |
29 | 29 | 28 | 28 | 19 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross | cross-on | on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross | on | on | cross-on | cross-on | cross-off | glassy | glassy | cross-on | cross-on | cross-on | on | on | |
High Tide | 3:05AM3.12m | 3:57PM2.69m | 4:08AM2.97m | 5:00PM2.65m | 5:14AM2.82m | 6:04PM2.65m | ||||||||||||||||||
Low Tide | 9:34AM-0.22m | 9:50PM0.20m | 10:36AM-0.09m | 10:57PM0.27m | 11:38AM0.02m | |||||||||||||||||||
 |  |  | | | | |  | | |  |  | | | | | | | | | | | | | |
 | — | 5:15 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:02 | — | — | — | — | — | — | — | 8:04 | — | — | — | — | — | — | — | 8:05 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 16 | 11 | 10 | 10 | 11 | 13 | 13 | 12 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 12 | 12 | 13 | 13 | 13 | 12 | 12 | 12 |
14 | 12 | 6 | 6 | 6 | 6 | 9 | 10 | 6 | 5 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 9 | 10 | 9 | 9 | 8 | 7 | 8 | |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | NE 5 | NE 5 | ENE 5 | NE 4 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | NE 3 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 |
 kJ | 29 | 29 | 28 | 21 | 19 | 9 | 4 | 12 | 13 | 13 | 13 | 13 | 2 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 |
Swell 2 Height (m) Direction Period (s) | E 14 | W 3 | E 14 | SE 9 | SE 9 | SE 9 | SE 9 | SSE 3 | S 3 | SE 5 | SE 5 | SE 5 | SE 9 | NE 3 | — | — | — | — | — | E 13 | E 13 | — | — | — |
| kJ | 4 | 1 | 4 | 28 | 12 | 12 | 12 | 1 | 1 | 1 | 1 | 1 | 14 | 2 | — | — | — | — | — | 4 | 3 | — | — | — |
Swell 3 Height (m) Direction Period (s) | E 15 | E 14 | E 15 | E 14 | E 14 | E 14 | E 15 | NE 4 | SE 6 | E 14 | E 13 | E 13 | E 13 | SE 13 | SE 13 | SE 13 | SE 13 | E 13 | E 13 | — | — | — | — | — |
| kJ | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 1 | 4 | 3 | 3 | 3 | 7 | 7 | 7 | 7 | 4 | 4 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 3 | NNE 3 | NE 4 | — | SE 6 | SSE 6 | SSE 2 | — | ENE 5 | NE 3 | NE 3 | NE 3 | NNE 3 | — | SSE 2 | S 2 | — | — | — | — | — | — | SSE 2 | SSE 2 |
| kJ | 3 | 3 | 21 | — | 1 | 6 | 1 | — | 3 | 5 | 5 | 4 | 5 | — | 1 | 1 | — | — | — | — | — | — | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 139 | 154 | 160 | 158 | 158 | 316 | 498 | 618 | 316 | 620 | 620 | 855 | 871 | 863 | 876 | 876 | 766 | 766 | 885 | 888 | 766 | 505 | 1252 | 480 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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