
Surf Forecasts:
How big are the waves at Nantasket Beach today (21 Jun):
- Afternoon surf: Afternoon surf (21 Jun, local time) - 0.5ft (0.1m), 12s period with E swell.
- Evening surf: Evening surf (21 Jun, local time) - 0.5ft (0.1m), 12s period with E swell.
The current surf forecast for Nantasket Beach at 11PM is: 0.1m 12s primary swell from a East direction (forecast issued at 07:00pm June 21). The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jun) | - | - |
| Afternoon (21 Jun) | 0.5ft (0.1m) | 12s |
| Evening (21 Jun) | 0.5ft (0.1m) | 12s |
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 57mm), heaviest during Tue morning. Warm (max 27°C on Wed afternoon, min 16°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 21 | Monday 22 | Tuesday 23 | Wed 24 | |||||||||||||||||||||
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 | ||||||||||||||||||||||||
Wave Height (m) Direction Period (s) | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | SE 4 | SSE 4 | SE 4 | SE 5 | SE 5 | E 11 | NNE 3 | N 3 | NNE 3 | ESE 5 | ESE 7 | ESE 7 | ESE 7 |
Wave Graph | ||||||||||||||||||||||||
3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 5 | 10 | 4 | 4 | 6 | 2 | 3 | 4 | 4 | 2 | 5 | 9 | 9 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | off | off | off | off | cross-off | cross-off | glassy | on | cross-on | cross | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off |
High Tide | 5:35PM2.87m | 5:57AM2.74m | 6:30PM2.85m | 6:57AM2.61m | 7:23PM2.83m | 7:58AM2.51m | ||||||||||||||||||
Low Tide | 11:44PM0.28m | 12:09PM0.20m | 00:46AM0.30m | 1:03PM0.33m | 1:46AM0.30m | 1:56PM0.44m | ||||||||||||||||||
— | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | |
— | 8:22 | — | — | — | — | — | — | — | 8:22 | — | — | — | — | — | — | — | 8:22 | — | — | — | — | — | 8:23 | |
mm | — | — | — | — | — | — | — | — | — | 4 | 3 | — | 2 | 13 | 18 | 13 | 3 | 1 | — | — | — | — | — | — |
Temp °C | 23 | 23 | 21 | 19 | 19 | 20 | 24 | 25 | 19 | 16 | 17 | 18 | 19 | 19 | 19 | 16 | 16 | 16 | 17 | 16 | 16 | 17 | 23 | 26 |
Feels °C | 21 | 22 | 20 | 18 | 18 | 19 | 23 | 23 | 19 | 16 | 17 | 19 | 20 | 20 | 21 | 13 | 15 | 15 | 18 | 15 | 15 | 15 | 20 | 23 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 8 | E 12 | E 12 | S 7 | E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | SE 4 | — | — | SE 5 | ESE 5 | ESE 5 | NNE 3 | NNE 3 | ESE 5 | NNE 4 | ESE 7 | ESE 7 |
1 | 1 | 3 | 3 | 1 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | — | — | 6 | 2 | 2 | 2 | 1 | 2 | 1 | 9 | 9 | |
Swell 2 Height (m) Direction Period (s) | E 12 | E 12 | — | — | E 12 | — | — | — | — | E 11 | — | E 11 | E 11 | E 8 | — | — | E 7 | E 7 | ESE 5 | ESE 5 | NNE 3 | ESE 5 | NNE 4 | NNE 4 |
3 | 3 | — | — | 3 | — | — | — | — | 2 | — | 2 | 2 | 1 | — | — | 1 | 1 | 2 | 2 | 1 | 2 | 1 | 1 | |
Swell 3 Height (m) Direction Period (s) | — | — | E 12 | — | E 12 | — | — | — | E 11 | — | — | — | — | E 7 | E 11 | — | E 11 | — | E 7 | E 8 | SE 7 | ESE 7 | E 9 | E 9 |
— | — | 3 | — | 3 | — | — | — | 2 | — | — | — | — | 1 | 2 | — | 2 | — | 1 | 1 | 2 | 5 | 2 | 2 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SE 2 | SE 4 | SSE 4 | SE 4 | SE 5 | — | — | NNE 3 | N 3 | NNE 3 | N 3 | NW 2 | — | — |
— | — | — | — | — | — | — | — | — | — | 1 | 5 | 10 | 4 | 4 | — | — | 3 | 4 | 4 | 2 | 1 | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 228 | 523 | 98 | 118 | 118 | 660 | 3302 | 1838 | 1838 | 349 | 1083 | 2508 | 108 | 67 | 109 | 91 | 90 | 98 | 113 | 117 | 87 | 87 | 108 | 58 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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