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Nantasket Beach Surf Forecast
/ Massachusetts (29 breaks) / Massachusetts (28 breaks) /
Surf Forecasts:
Nantasket Beach surfForecast / Massachusetts / USA
48hr Weather and Surf, issued 7 am Sunday 24 May 2026 EDTForecast update in hr min s Forecast update imminent
Nantasket Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nantasket Beach sea temperature is
12.9° C
(Which is 2.1°C warmer than normal for this time of year)How big are the waves at Nantasket Beach today?
The current surf forecast for Nantasket Beach at 2PM is: 0.4m 4s primary swell from a East-southeast direction and 0.1m 9s secondary swell from a East direction, 0.1m 18s secondary swell from a East direction (forecast issued at 07:00am May 24). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 May) | 1.5ft (0.4m) | 4s |
| Afternoon (24 May) | 1.5ft (0.5m) | 4s |
| Evening (24 May) | 2.5ft (0.8m) | 5s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 24mm), heaviest during Sun afternoon. Very mild (max 19°C on Mon afternoon, min 7°C on Sun afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 24 | Monday 25 | Tuesday 26 | Wed 27 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ESE 4 | ESE 4 | E 18 | E 18 | ESE 5 | E 4 | ESE 5 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | ESE 6 | E 8 | E 8 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 7 | |
5 | 5 | 7 | 7 | 12 | 18 | 44 | 90 | 259 | 114 | 73 | 55 | 86 | 66 | 26 | 26 | 61 | 60 | 45 | 45 | 31 | 30 | 32 | 21 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | on | on | on | cross-on | cross-on | glassy | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | on | on | cross-on | cross | cross-off | cross-off | |
High Tide | 6:23AM2.81m | 7:05PM2.79m | 7:28AM2.72m | 8:02PM2.82m | 8:31AM2.65m | 8:55PM2.87m | ||||||||||||||||||
Low Tide | 12:43PM0.17m | 1:13AM0.33m | 1:41PM0.25m | 2:17AM0.28m | 2:36PM0.31m | |||||||||||||||||||
 |  |  | | | | | | | | | | | |  |  | | |  |  | | |  | | |
 | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | 5:11 |
 | — | — | — | — | — | 8:06 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:07 | — | 8:08 |
1 | — | 2 | 3 | 4 | 4 | 3 | 2 | 1 | 1 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 10 | 8 | 7 | 9 | 10 | 11 | 12 | 13 | 13 | 12 | 13 | 19 | 19 | 18 | 15 | 13 | 14 | 15 | 18 | 19 | 19 | 18 | 17 |
8 | 6 | 4 | 3 | 5 | 6 | 7 | 10 | 13 | 13 | 10 | 12 | 19 | 19 | 18 | 14 | 12 | 13 | 14 | 17 | 18 | 17 | 16 | 15 | |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | ESE 9 | ESE 10 | ESE 7 | ESE 7 | ESE 7 | ESE 6 | E 8 | E 8 | E 6 | E 6 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 7 |
 kJ | 2 | 2 | 2 | 2 | 2 | 2 | 8 | 9 | 141 | 114 | 73 | 55 | 86 | 66 | 19 | 17 | 61 | 60 | 45 | 45 | 31 | 30 | 32 | 21 |
Swell 2 Height (m) Direction Period (s) | E 12 | SE 7 | — | E 18 | E 18 | E 12 | — | — | E 17 | E 16 | E 16 | E 16 | E 16 | E 16 | ESE 8 | ESE 8 | — | E 16 | E 15 | E 15 | E 15 | E 15 | — | — |
| kJ | 3 | 2 | — | 6 | 6 | 3 | — | — | 6 | 5 | 5 | 5 | 5 | 5 | 26 | 26 | — | 5 | 4 | 4 | 4 | 4 | — | — |
Swell 3 Height (m) Direction Period (s) | — | E 12 | E 18 | E 18 | — | — | — | — | — | — | E 16 | S 9 | E 16 | E 16 | E 16 | — | E 16 | — | — | — | — | — | — | E 15 |
| kJ | — | 3 | 6 | 6 | — | — | — | — | — | — | 5 | 1 | 5 | 5 | 5 | — | 5 | — | — | — | — | — | — | 4 |
Wind waves Height (m) Direction Period (s) | ESE 4 | ESE 4 | ESE 4 | ESE 4 | ESE 5 | E 4 | ESE 5 | ESE 6 | ESE 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 5 | 5 | 7 | 7 | 12 | 18 | 44 | 90 | 259 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 725 | 725 | 505 | 504 | 432 | 399 | 117 | 102 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 12 | 24 | 28 | 113 | 113 | 131 | 131 | 55 | 55 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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