Surf Forecasts:
How big are the waves at Nantasket Beach today (25 Sep):
- Morning surf: Morning surf (25 Sep, local time) - 7ft (2.2m), 11s period with E swell.
- Afternoon surf: Afternoon surf (25 Sep, local time) - 8ft (2.5m), 11s period with ENE swell.
- Evening surf: Evening surf (25 Sep, local time) - 8ft (2.5m), 11s period with E swell.
The current surf forecast for Nantasket Beach at 12PM is: 2.3m 11s primary swell from a East direction (forecast issued at 07:00am September 25). An open ocean swell of 0.1m 14s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Sep) | 7ft (2.2m) | 11s |
| Afternoon (25 Sep) | 8ft (2.5m) | 11s |
| Evening (25 Sep) | 8ft (2.5m) | 11s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 47mm), heaviest during Sat night. Very mild (max 15°C on Fri night, min 13°C on Fri morning). Mainly strong winds. | |||||||||||||||||||||||
Friday 25 | Saturday 26 | Sunday 27 | |||||||||||||||||||||
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) | E 11 | E 11 | E 11 | ENE 11 | ENE 11 | E 11 | E 11 | E 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1367 | 1107 | 1365 | 1505 | 1531 | 1430 | 1736 | 1956 | 2127 | 2203 | 2117 | 1997 | 1670 | 1556 | 1522 | 1780 | 1698 | 1611 | 1488 | 1405 | 1294 | 1294 | 1141 |
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-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:56AM2.81m | 11:11PM2.96m | 11:32AM2.96m | 11:52PM3.00m | 12:11PM3.09m | ||||||||||||||||||
Low Tide | 4:43AM0.14m | 4:59PM0.14m | 5:20AM0.05m | 5:40PM0.00m | 5:58AM0.00m | 6:23PM-0.12m | |||||||||||||||||
 |  | | | |  | |  | | |  | | |  | | | | | | | | | | |
 | 6:33 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:31 | — | — |
mm | — | — | — | — | — | — | — | 1 | — | — | 2 | 4 | 5 | 7 | 8 | 2 | 1 | 3 | 5 | 3 | 1 | 1 | 1 |
Temp °C | 13 | 13 | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
Feels °C | 8 | 8 | 9 | 8 | 8 | 9 | 10 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 7 | 6 | 7 | 8 | 8 | 9 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | E 11 | S 13 | S 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 959 | 3 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 11 | E 11 | E 11 | ENE 11 | ENE 11 | E 11 | E 11 | E 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 1367 | 1107 | 1365 | 1505 | 1531 | 1430 | 1736 | 1956 | 2127 | 2203 | 2117 | 1997 | 1670 | 1556 | 1522 | 1780 | 1698 | 1611 | 1488 | 1405 | 1294 | 1294 | 1141 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 653 | 677 | 1001 | 1001 | 950 | 655 | 950 | 986 | 677 | 961 | 986 | 986 | 986 | 961 | 950 | 950 | 893 | 753 | 677 | 475 | 97 | 846 | 950 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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