Surf Forecasts:
How big are the waves at Nantasket Beach today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 2.5ft (0.7m), 9s period with E swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 2.5ft (0.7m), 8s period with E swell.
- Evening surf: Evening surf (30 Sep, local time) - 2.5ft (0.7m), 8s period with E swell.
The current surf forecast for Nantasket Beach at 9AM is: 0.7m 9s primary swell from a East direction and 0.2m 13s secondary swell from a East direction (forecast issued at 01:00am September 30). The wind direction is predicted to be glassy.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 2.5ft (0.7m) | 9s |
| Afternoon (30 Sep) | 2.5ft (0.7m) | 8s |
| Evening (30 Sep) | 2.5ft (0.7m) | 8s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Fri night. Warm (max 27°C on Fri afternoon, min 15°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 30 | Thursday 1 | Friday 2 | ||||||||||||||||||||||
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 9 | ENE 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 12 | E 12 | E 12 | E 8 | E 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 99 | 99 | 73 | 71 | 71 | 69 | 69 | 68 | 50 | 49 | 34 | 34 | 33 | 33 | 21 | 20 | 19 | 19 | 19 | 11 | 11 | 12 | 12 | 21 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | glassy | glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off |
High Tide | 2:06AM2.91m | 2:18PM3.25m | 2:55AM2.81m | 3:07PM3.19m | 3:50AM2.69m | 4:04PM3.10m | ||||||||||||||||||
Low Tide | 8:05AM0.05m | 8:42PM-0.18m | 8:53AM0.14m | 9:36PM-0.10m | 9:47AM0.25m | 10:35PM0.01m | ||||||||||||||||||
 |  |  |  |  | | | | | | | | | | |  | | | | | | |  | | |
 | — | 6:37 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 |
Temp °C | 16 | 15 | 15 | 17 | 18 | 18 | 19 | 17 | 17 | 17 | 17 | 22 | 25 | 21 | 20 | 19 | 19 | 19 | 19 | 24 | 27 | 27 | 21 | 19 |
Feels °C | 16 | 15 | 15 | 17 | 17 | 17 | 19 | 16 | 16 | 16 | 16 | 21 | 23 | 20 | 19 | 17 | 17 | 17 | 17 | 22 | 25 | 26 | 21 | 19 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | ENE 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 11 |
| kJ | 99 | 99 | 73 | 71 | 71 | 69 | 69 | 68 | 50 | 49 | 34 | 34 | 33 | 33 | 21 | 20 | 19 | 19 | 19 | 11 | 11 | 12 | 12 | 21 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | SSE 4 | E 11 | SE 4 |
| kJ | 4 | 3 | 3 | 13 | 13 | 13 | 3 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 1 | 10 | 1 |
Swell 3 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 13 | — | — | — | — | — | — | — | — | — | NE 4 | — | — | — | — | — | — | SSE 5 | E 12 | SSE 4 | SE 5 |
| kJ | 4 | 4 | 3 | 13 | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 3 | 11 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SW 2 | — | — | — | — | — | — | SW 2 | SW 2 | SSW 2 | SW 2 | SSW 3 | WSW 2 | WNW 3 | WNW 3 |
| kJ | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 1 | 1 | 2 | 3 | 1 | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 160 | 26 | 18 | 0 | 0 | 0 | 12 | 12 | 12 | 55 | 26 | 26 | 549 | 69 | 108 | 58 | 55 | 26 | 55 | 55 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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