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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 pm Wednesday 27 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 1.5°C warmer than normal for this time of year)How big are the waves at Nantasket Beach today (27 May):
- Afternoon surf: Afternoon surf (27 May, local time) - 0.5ft (0.2m), 7s period with ESE swell.
- Evening surf: Evening surf (27 May, local time) - 0.5ft (0.2m), 6s period with ESE swell.
The current surf forecast for Nantasket Beach at 10PM is: 0.2m 6s primary swell from a East-southeast direction and 0.3m 2s secondary swell from a North-northeast direction (forecast issued at 07:00pm May 27). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | - | - |
| Afternoon (27 May) | 0.5ft (0.2m) | 7s |
| Evening (27 May) | 0.5ft (0.2m) | 6s |
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 22mm), heaviest during Fri night. Warm (max 25°C on Wed night, min 6°C on Sat morning). Winds increasing (light winds from the NW on Thu night, near gales from the N by Sat morning). | ||||||||||||||||||||||||
Wed 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ESE 7 | ESE 7 | E 14 | NE 3 | NNE 4 | NE 4 | NE 4 | NE 4 | NE 4 | E 9 | ENE 9 | NE 4 | NE 5 | NE 5 | NE 5 | NE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 9 | ENE 9 | NNE 8 | NE 9 | NE 9 | |
4 | 4 | 4 | 3 | 8 | 7 | 9 | 9 | 7 | 7 | 8 | 15 | 13 | 14 | 17 | 15 | 36 | 32 | 17 | 25 | 28 | 1005 | 1970 | 1615 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross | cross | cross | cross | cross-on | on | cross-on | cross | cross | cross | cross-off | cross-off | cross | cross-on | cross | cross-off | off | cross-off | cross-off | cross | cross | cross | |
High Tide | 9:42PM2.91m | 10:19AM2.62m | 10:24PM2.94m | 11:02AM2.60m | 11:03PM2.96m | 11:43AM2.59m | ||||||||||||||||||
Low Tide | 3:26PM0.36m | 4:06AM0.15m | 4:11PM0.40m | 4:50AM0.10m | 4:51PM0.43m | 5:30AM0.08m | ||||||||||||||||||
 |  |  | |  | |  | |  | | | | | | | |  | |  | | | | | | |
 | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:09 | — | — | — |
 | — | 8:08 | — | — | — | — | — | — | — | 8:09 | — | — | — | — | — | — | — | 8:09 | — | — | — | — | — | 8:10 |
— | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | 4 | 7 | — | — | 2 | 4 | 1 | |
Temp °C | 28 | 25 | 18 | 17 | 16 | 16 | 15 | 14 | 15 | 15 | 13 | 12 | 11 | 12 | 15 | 15 | 15 | 13 | 13 | 9 | 7 | 6 | 6 | 7 |
26 | 24 | 17 | 15 | 14 | 14 | 12 | 12 | 13 | 13 | 10 | 9 | 9 | 9 | 12 | 12 | 11 | 11 | 9 | 3 | 1 | -5 | -3 | -1 | |
Swell 1 Height (m) Direction Period (s) | ESE 7 | ESE 6 | ESE 6 | SE 6 | NE 4 | SE 6 | SE 6 | SE 8 | NE 4 | E 9 | NE 4 | NE 4 | NE 5 | NE 5 | NE 5 | NE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 9 | ENE 9 | ENE 9 | — | — |
 kJ | 4 | 4 | 4 | 2 | 5 | 2 | 2 | 3 | 7 | 7 | 7 | 7 | 13 | 14 | 17 | 15 | 36 | 32 | 17 | 25 | 28 | 32 | — | — |
Swell 2 Height (m) Direction Period (s) | SSE 4 | ESE 7 | — | — | SE 6 | — | — | E 11 | E 10 | SE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | — | ENE 8 | NE 6 | NE 6 | ENE 6 | SE 6 | — | — |
| kJ | 2 | 4 | — | — | 2 | — | — | 2 | 2 | 3 | 8 | 8 | 8 | 7 | 7 | 13 | — | 13 | 9 | 9 | 3 | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | E 14 | — | E 14 | — | — | — | — | SE 8 | SE 8 | — | SE 8 | SE 8 | SE 8 | E 8 | E 8 | E 9 | — | SE 8 | SSE 3 | — | — | — | — | — |
| kJ | 4 | — | 4 | — | — | — | — | 3 | 3 | — | 3 | 3 | 3 | 1 | 1 | 1 | — | 3 | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | NNE 2 | NE 3 | NNE 4 | NE 4 | NE 4 | NE 4 | — | NE 4 | — | NE 4 | — | — | — | — | SSE 2 | SSE 3 | S 3 | NW 3 | NW 3 | NNE 8 | NE 9 | NE 9 |
| kJ | — | — | 1 | 3 | 8 | 7 | 9 | 9 | — | 6 | — | 15 | — | — | — | — | 1 | 1 | 5 | 2 | 1 | 1005 | 1970 | 1615 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 403 | 383 | 97 | 117 | 117 | 117 | 117 | 98 | 116 | 84 | 117 | 984 | 186 | 181 | 84 | 1236 | 1236 | 18 | 523 | 523 | 55 | 660 | 653 | 893 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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