Surf Forecasts:
How big are the waves at K38 and 39 today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 1ft (0.3m), 9s period with SE swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 1.5ft (0.4m), 9s period with SE swell.
- Evening surf: Evening surf (21 Sep, local time) - 1.5ft (0.5m), 8s period with SE swell.
The current surf forecast for K38 and 39 at 9AM is: 0.3m 9s primary swell from a Southeast direction and 0.4m 5s secondary swell from a Southeast direction (forecast issued at 01:00am September 21). 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 (21 Sep) | 1ft (0.3m) | 9s |
| Afternoon (21 Sep) | 1.5ft (0.4m) | 9s |
| Evening (21 Sep) | 1.5ft (0.5m) | 8s |
Table - waves today at K38 and 39. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Mon morning. Very mild (max 17°C on Mon afternoon, min 13°C on Tue morning). Mainly strong winds. | ||||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||||
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) | SE 5 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 7 | ESE 7 | S 15 | E 7 | E 7 | S 14 | E 6 | E 7 | E 8 | E 6 | E 7 | E 8 | ESE 9 | ESE 10 | E 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 21 | 19 | 12 | 19 | 27 | 25 | 28 | 32 | 24 | 96 | 91 | 4 | 239 | 248 | 4 | 221 | 302 | 357 | 301 | 442 | 669 | 508 | 622 | 1124 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 4:12AM0.72m | 4:38PM0.86m | 5:07AM0.79m | 5:29PM0.91m | 5:54AM0.87m | 6:14PM0.97m | ||||||||||||||||||
Low Tide | 10:30AM0.26m | 11:36PM0.21m | 11:27AM0.20m | 00:08AM0.14m | 12:10PM0.13m | |||||||||||||||||||
 |  |  |  | | |  | | | | | | | | | | | | | | |  | | | |
 | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:42 | — | — |
mm | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 15 | 14 | 14 | 16 | 17 | 15 | 15 | 15 | 15 | 14 | 13 | 15 | 15 | 13 | 13 | 13 | 13 | 14 | 15 | 16 | 14 | 13 | 14 |
Feels °C | 21 | 11 | 9 | 9 | 11 | 12 | 11 | 11 | 10 | 11 | 8 | 6 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 6 | 6 | 7 |
Swell 1 Height (m) Direction Period (s) | SE 5 | SE 4 | SE 4 | SE 6 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 7 | ESE 7 | S 15 | S 14 | S 14 | S 14 | E 14 | — | — | — | — | — | ESE 9 | ESE 10 | — |
| kJ | 21 | 16 | 7 | 12 | 27 | 25 | 28 | 32 | 24 | 96 | 91 | 4 | 4 | 4 | 4 | 4 | — | — | — | — | — | 508 | 622 | — |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 9 | SE 9 | SE 9 | SW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 11 | 19 | 12 | 19 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 11 | ESE 6 | SE 6 | SW 4 | E 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 5 | 4 | 5 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | NNE 3 | NE 4 | NE 4 | ENE 5 | E 5 | E 5 | E 5 | NE 4 | NE 4 | E 6 | E 7 | E 7 | E 6 | E 6 | E 7 | E 8 | E 6 | E 7 | E 8 | ENE 6 | NE 6 | E 10 |
| kJ | — | — | 5 | 17 | 40 | 53 | 57 | 59 | 64 | 20 | 29 | 152 | 239 | 248 | 177 | 221 | 302 | 357 | 301 | 442 | 669 | 193 | 128 | 1124 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 68 | 458 | 615 | 615 | 615 | 623 | 623 | 748 | 615 | 4 | 748 | 615 | 756 | 651 | 872 | 774 | 1838 | 626 | 1727 | 750 | 1047 | 2605 | 748 | 298 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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