Surf Forecasts:
How big are the waves at K38 and 39 today (21 Jul):
- Afternoon surf: Afternoon surf (21 Jul, local time) - 4.5ft (1.3m), 5s period with SSE swell.
- Evening surf: Evening surf (21 Jul, local time) - 6.5ft (2.0m), 7s period with S swell.
The current surf forecast for K38 and 39 at 10PM is: 2.0m 7s primary swell from a South direction and 0.1m 11s secondary swell from a South direction (forecast issued at 07:00pm July 21). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | - | - |
| Afternoon (21 Jul) | 4.5ft (1.3m) | 5s |
| Evening (21 Jul) | 6.5ft (2.0m) | 7s |
Table - waves today at K38 and 39. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Tue night. Warm (max 25°C on Wed afternoon, min 18°C on Wed night). Winds decreasing (fresh winds from the SSW on Tue night, calm by Thu night). | |||||||||||||||||||
Tue 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||
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) | S 6 | S 6 | SSW 7 | SSW 8 | SSW 8 | S 8 | SSW 8 | SSW 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | SSW 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 175 | 293 | 485 | 604 | 686 | 430 | 375 | 898 | 562 | 664 | 593 | 516 | 450 | 342 | 284 | 223 | 181 | 124 | 101 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross | cross-on | cross-on |
High Tide | 2:09PM0.97m | 2:26AM0.77m | 3:03PM0.94m | 3:22AM0.73m | 3:59PM0.93m | ||||||||||||||
Low Tide | 8:58PM0.22m | 8:30AM0.17m | 10:09PM0.24m | 9:30AM0.20m | |||||||||||||||
 |  |  | |  |  |  | | | | |  | |  | | | | |  | |
 | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — |
 | — | 8:13 | — | — | — | — | — | — | — | 8:13 | — | — | — | — | — | — | — | 8:12 | — |
mm | 7 | 4 | 4 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 22 | 22 | 22 | 22 | 24 | 24 | 25 | 25 | 21 | 19 | 18 | 18 | 21 | 22 | 21 | 20 | 20 |
Feels °C | 21 | 20 | 19 | 22 | 21 | 21 | 22 | 22 | 23 | 25 | 18 | 17 | 16 | 15 | 18 | 19 | 18 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | SE 12 | S 11 | — | — | — | — | — | SSW 9 | — | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | SSW 8 |
| kJ | 5 | 2 | — | — | — | — | — | 898 | — | 664 | 593 | 516 | 450 | 342 | 284 | 223 | 181 | 124 | 101 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNE 3 | — | SE 7 | SE 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 39 | 42 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 3 | ENE 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 |
Wind waves Height (m) Direction Period (s) | S 6 | S 6 | SSW 7 | SSW 8 | SSW 8 | S 8 | SSW 8 | S 9 | S 9 | — | — | — | NNW 2 | N 3 | NNE 3 | — | SSE 2 | — | — |
| kJ | 175 | 293 | 485 | 604 | 686 | 430 | 375 | 575 | 562 | — | — | — | 1 | 1 | 1 | — | 1 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1063 | 239 | 362 | 458 | 628 | 109 | 109 | 169 | 21 | 2 | 3 | 0 | 0 | 3 | 0 | 0 | 21 | 21 | 4 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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