
Surf Forecasts:
How big are the waves at Nantasket Beach today (27 Sep):
- Morning surf: Morning surf (27 Sep, local time) - 11ft (3.5m), 9s period with ENE swell.
- Afternoon surf: Afternoon surf (27 Sep, local time) - 10ft (3.0m), 9s period with ENE swell.
- Evening surf: Evening surf (27 Sep, local time) - 8ft (2.5m), 8s period with ENE swell.
The current surf forecast for Nantasket Beach at 6AM is: 3.5m 9s primary swell from a East-northeast direction (forecast issued at 01:00am September 27). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Sep) | 11ft (3.5m) | 9s |
| Afternoon (27 Sep) | 10ft (3.0m) | 9s |
| Evening (27 Sep) | 8ft (2.5m) | 8s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 83mm), heaviest during Sun morning. Very mild (max 16°C on Sun morning, min 13°C on Mon night). Winds decreasing (strong winds from the ENE on Sun morning, light winds from the NNW by Tue night). | ||||||||||||||||||||||||
Sunday 27 | Monday 28 | Tuesday 29 | ||||||||||||||||||||||
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 | ||||||||||||||||||||||||
Wave Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph | ||||||||||||||||||||||||
2496 | 2226 | 2043 | 1716 | 1374 | 1183 | 1057 | 964 | 891 | 867 | 867 | 803 | 741 | 572 | 502 | 480 | 273 | 213 | 190 | 165 | 193 | 197 | 202 | 238 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:52PM3.00m | 12:11PM3.09m | 00:35AM3.01m | 12:50PM3.19m | 1:19AM2.98m | 1:33PM3.25m | ||||||||||||||||||
Low Tide | 5:58AM0.00m | 6:23PM-0.12m | 6:38AM-0.02m | 7:07PM-0.20m | 7:20AM-0.00m | 7:53PM-0.22m | ||||||||||||||||||
— | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | |
— | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — | |
mm | 6 | 6 | 19 | 8 | 4 | 1 | 1 | 1 | 2 | 11 | 14 | 5 | 6 | 5 | 2 | 1 | 1 | 1 | 1 | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 |
Feels °C | 8 | 8 | 8 | 10 | 11 | 11 | 11 | 11 | 11 | 9 | 9 | 9 | 9 | 10 | 13 | 13 | 11 | 9 | 10 | 10 | 10 | 12 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | E 16 | E 16 | ENE 8 | ENE 8 | E 15 | E 8 | E 8 | E 8 | E 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
— | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 572 | 502 | 4 | 273 | 213 | 190 | 165 | 193 | 197 | 202 | 238 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | NNE 6 | E 14 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 37 | 4 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 14 | E 14 | E 14 | — | — | — | E 14 | E 13 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 4 | — | — | — | 4 | 14 | |
Wind waves Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | — | — | ENE 8 | NNE 7 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 |
2496 | 2226 | 2043 | 1716 | 1374 | 1183 | 1057 | 964 | 891 | 867 | 867 | 803 | 741 | — | — | 480 | 107 | 77 | 87 | 98 | 71 | 60 | 115 | 58 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 893 | 893 | 893 | 950 | 117 | 818 | 1953 | 950 | 465 | 453 | 97 | 32 | 32 | 32 | 32 | 32 | 32 | 84 | 94 | 7 | 7 | 0 | 0 | 0 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












