Surf Forecasts:
How big are the waves at K38 and 39 today (21 Aug):
- Afternoon surf: Afternoon surf (21 Aug, local time) - 1.5ft (0.4m), 7s period with SE swell.
- Evening surf: Evening surf (21 Aug, local time) - 1.5ft (0.4m), 7s period with SE swell.
The current surf forecast for K38 and 39 at 12AM is: 0.4m 8s primary swell from a Southeast direction and 0.2m 5s secondary swell from a South direction (forecast issued at 07:00pm August 20). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | - | - |
| Afternoon (21 Aug) | 1.5ft (0.4m) | 7s |
| Evening (21 Aug) | 1.5ft (0.4m) | 7s |
Table - waves today at K38 and 39. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 28mm), heaviest during Thu night. Warm (max 24°C on Thu night, min 18°C on Thu night). Winds decreasing (fresh winds from the NNE on Thu night, calm by Sun morning). | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||
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 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | S 6 | E 5 | E 5 | E 5 | SE 6 | SE 6 | SE 7 | SE 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 11 | 11 | 17 | 17 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 7 | 36 | 34 | 25 | 8 | 8 | 19 | 14 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross | cross-off | off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 2:21PM0.89m | 2:42AM0.69m | 3:20PM0.87m | 3:44AM0.69m | 4:18PM0.88m | ||||||||||||||
Low Tide | 9:21PM0.30m | 8:20AM0.25m | 10:39PM0.29m | 9:48AM0.27m | |||||||||||||||
 |  |  |  | |  | | |  |  |  | | | | | | | | | |
 | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | 7:37 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:35 | — | — |
mm | — | — | 3 | 7 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 |
Temp °C | 25 | 24 | 18 | 18 | 18 | 18 | 18 | 20 | 21 | 20 | 18 | 18 | 18 | 18 | 20 | 20 | 19 | 19 | 19 |
Feels °C | 25 | 26 | 14 | 16 | 16 | 15 | 15 | 18 | 19 | 18 | 17 | 17 | 17 | 16 | 20 | 21 | 19 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSW 5 | S 6 | S 6 | S 6 | S 6 | E 5 | E 5 | E 5 | SE 6 | SE 6 | SE 7 | SE 6 |
| kJ | 11 | 7 | 17 | 17 | 11 | 11 | 11 | 5 | 5 | 6 | 6 | 6 | 36 | 34 | 25 | 8 | 8 | 19 | 14 |
Swell 2 Height (m) Direction Period (s) | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | SSW 6 | SSW 6 | SSW 5 | ESE 8 | ESE 8 | SE 9 | E 5 |
| kJ | 5 | 4 | 2 | 2 | 2 | 1 | 1 | 11 | 10 | 10 | 10 | 7 | 3 | 3 | 3 | 6 | 6 | 3 | 2 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | SW 5 | — | S 15 | S 15 | SW 5 | S 14 | S 14 | SE 14 | SE 14 | SE 14 | SE 9 | SE 13 | SE 13 | SW 5 | SE 9 | SE 13 | SE 9 |
| kJ | 11 | 11 | 1 | — | 4 | 4 | 1 | 4 | 4 | 8 | 8 | 7 | 3 | 7 | 7 | 1 | 3 | 7 | 3 |
Wind waves Height (m) Direction Period (s) | SSW 5 | SW 5 | NNE 2 | ENE 3 | ENE 4 | ENE 4 | ENE 4 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | NNE 4 | NNE 4 | NNE 4 | ENE 5 | ENE 5 | ENE 5 | — |
| kJ | 6 | 1 | 1 | 7 | 12 | 25 | 32 | 44 | 54 | 55 | 46 | 58 | 9 | 8 | 5 | 14 | 9 | 5 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1063 | 141 | 223 | 172 | 223 | 615 | 360 | 204 | 989 | 615 | 174 | 73 | 158 | 702 | 689 | 157 | 141 | 144 | 144 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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