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Nahant Beach Surf Forecast
/ Massachusetts (29 breaks) / Massachusetts (28 breaks) /
Surf Forecasts:
Nahant Beach surfForecast / Massachusetts / USA
48hr Weather and Surf, issued 1 pm Wednesday 20 May 2026 EDTForecast update in hr min s Forecast update imminent
Nahant Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nahant Beach sea temperature is
10.9° C
(Which is slightly warmer than usual)How big are the waves at Nahant Beach today?
The current surf forecast for Nahant Beach at 9PM is: 0.3m 9s primary swell from a Southeast direction and 0.1m 12s secondary swell from a East direction (forecast issued at 01:00pm May 20). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 1.5ft (0.4m) | 9s |
| Afternoon (20 May) | 1ft (0.3m) | 9s |
| Evening (20 May) | 1ft (0.3m) | 9s |
Table - waves today at Nahant Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 31°C on Wed afternoon, min 11°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | NE 5 | NE 5 | ENE 5 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | |
12 | 12 | 13 | 13 | 13 | 13 | 12 | 11 | 8 | 15 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | cross-off | cross-off | cross-off | cross | on | on | cross-on | cross-on | cross-off | cross | cross-on | cross-on | on | cross-on | cross-on | cross | cross-off | cross-off | glassy | glassy | |
High Tide | 3:02PM2.85m | 3:12AM3.25m | 4:01PM2.78m | 4:13AM3.09m | 5:02PM2.74m | 5:16AM2.93m | ||||||||||||||||||
Low Tide | 8:44AM-0.37m | 8:57PM0.09m | 9:40AM-0.23m | 9:56PM0.19m | 10:38AM-0.09m | 10:58PM0.28m | ||||||||||||||||||
 |  | | |  | | |  | | | | |  | | | | | | | |  | | | | |
 | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — |
 | — | — | — | 8:02 | — | — | — | — | — | — | — | 8:04 | — | — | — | — | — | — | — | 8:05 | — | — | — | 8:05 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 29 | 31 | 29 | 25 | 21 | 17 | 15 | 14 | 13 | 14 | 14 | 13 | 13 | 11 | 11 | 11 | 13 | 14 | 15 | 14 | 13 | 13 | 13 | 14 |
27 | 28 | 26 | 22 | 19 | 14 | 11 | 10 | 10 | 11 | 12 | 10 | 11 | 8 | 7 | 8 | 9 | 9 | 10 | 8 | 9 | 9 | 10 | 12 | |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | NNE 5 | ESE 9 | ENE 5 | NE 4 | NE 4 | ESE 9 | SSE 3 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | SSE 3 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 4 | 8 | 15 | 7 | 3 | 8 | 1 | 8 | 8 | 8 | 8 | 9 | 9 | 1 | 9 | 9 | 9 |
Swell 2 Height (m) Direction Period (s) | SSE 5 | E 12 | E 12 | E 12 | E 12 | E 14 | E 14 | ESE 9 | E 14 | ESE 9 | ESE 9 | ESE 9 | NE 4 | ESE 9 | — | — | E 13 | E 13 | — | — | ESE 10 | SSE 3 | — | — |
| kJ | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 8 | 4 | 8 | 8 | 8 | 1 | 8 | — | — | 3 | 3 | — | — | 9 | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | E 12 | — | — | E 15 | E 15 | — | E 15 | E 15 | — | E 15 | E 15 | E 14 | NE 5 | E 14 | E 14 | — | — | E 13 | E 13 | E 13 | — | E 13 | E 13 | E 13 |
| kJ | 3 | — | — | 4 | 4 | — | 4 | 4 | — | 4 | 4 | 4 | 1 | 4 | 4 | — | — | 3 | 3 | 4 | — | 4 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | WSW 2 | W 2 | WNW 3 | W 3 | NW 3 | NNW 3 | N 3 | NE 5 | NE 5 | — | SE 3 | SE 3 | SE 3 | NE 2 | NE 3 | NE 3 | NE 3 | ENE 3 | — | SE 2 | SSW 2 | — | — | — |
| kJ | 1 | 1 | 3 | 5 | 2 | 3 | 2 | 11 | 8 | — | 2 | 1 | 1 | 1 | 3 | 4 | 2 | 1 | — | 1 | 1 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 342 | 97 | 317 | 93 | 95 | 103 | 127 | 127 | 128 | 233 | 283 | 650 | 190 | 283 | 221 | 853 | 822 | 822 | 814 | 827 | 814 | 659 | 733 | 733 |
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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