Surf Forecasts:
How big are the waves at Napatree Jetty today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 1ft (0.3m), 8s period with SE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 0.5ft (0.1m), 14s period with S swell.
- Evening surf: Evening surf (21 Aug, local time) - 1ft (0.3m), 5s period with S swell.
The current surf forecast for Napatree Jetty at 6PM is: 0.9m 6s primary swell from a East-southeast direction and 0.1m 14s secondary swell from a Southeast direction (forecast issued at 01:00pm August 21). An open ocean swell of 0.6m 5s 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) | 1ft (0.3m) | 8s |
| Afternoon (21 Aug) | 0.5ft (0.1m) | 14s |
| Evening (21 Aug) | 1ft (0.3m) | 5s |
Table - waves today at Napatree Jetty. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Sun morning. Warm (max 25°C on Sun afternoon, min 18°C on Fri afternoon). Wind will be generally light. | |||||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||
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 8 | S 14 | ESE 6 | S 5 | S 5 | E 5 | E 5 | E 5 | E 5 | E 5 | ESE 5 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | ESE 7 | SE 8 | SSE 4 | SE 5 | SSE 5 | SSE 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 11 | 4 | 54 | 8 | 8 | 29 | 27 | 19 | 18 | 12 | 8 | 8 | 8 | 8 | 7 | 6 | 10 | 15 | 23 | 34 | 68 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | on | on | cross-on |
High Tide | 4:13PM0.71m | 4:34AM0.59m | 5:17PM0.70m | 5:36AM0.61m | 6:17PM0.72m | ||||||||||||||||
Low Tide | 9:17AM0.20m | 11:22PM0.23m | 10:30AM0.20m | 00:13AM0.21m | 11:36AM0.18m | ||||||||||||||||
 | | |  | | | | | | | | |  | | |  |  |  |  |  | | |
 | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | 7:37 | — | — | — | — | — | — | — | 7:36 | — | — | — | — | — | — | — | 7:35 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | 1 | 1 |
Temp °C | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 20 | 20 | 19 | 18 | 18 | 19 | 19 | 21 | 24 | 25 | 24 | 24 |
Feels °C | 16 | 16 | 15 | 16 | 17 | 17 | 17 | 18 | 19 | 22 | 22 | 19 | 18 | 18 | 19 | 19 | 22 | 26 | 25 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 9 | ESE 6 | S 5 | S 5 | E 5 | E 5 | E 5 | E 5 | E 5 | ESE 5 | E 5 | ESE 7 | ESE 7 | SSE 9 | ESE 7 | SE 8 | SE 4 | SE 5 | SSE 5 | SSE 6 |
| kJ | 11 | 3 | 54 | 5 | 5 | 29 | 27 | 19 | 18 | 12 | 8 | 4 | 5 | 5 | 7 | 5 | 10 | 6 | 23 | 34 | 68 |
Swell 2 Height (m) Direction Period (s) | S 15 | S 6 | S 14 | SE 14 | SE 14 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | E 5 | SSE 9 | ESE 7 | SE 9 | SE 12 | SE 8 | SE 12 | SE 12 | SE 12 |
| kJ | 4 | 1 | 4 | 8 | 8 | 6 | 6 | 7 | 6 | 6 | 6 | 5 | 2 | 8 | 5 | 3 | 6 | 3 | 6 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | S 15 | S 14 | SW 6 | SE 14 | SW 5 | SSE 5 | S 5 | — | SE 9 | SE 13 | SE 13 | SSE 9 | SSE 9 | E 5 | SE 13 | SE 12 | — | SE 12 | SE 8 | SE 8 | — |
| kJ | 4 | 4 | 1 | 8 | 1 | 2 | 2 | — | 3 | 7 | 7 | 8 | 8 | 2 | 6 | 6 | — | 6 | 3 | 3 | — |
Wind waves Height (m) Direction Period (s) | ENE 5 | ENE 5 | NE 5 | E 6 | E 6 | NNE 4 | NNE 4 | ENE 5 | ENE 5 | — | — | — | — | ENE 2 | ENE 3 | ENE 3 | E 3 | SSE 4 | — | — | — |
| kJ | 52 | 74 | 18 | 50 | 50 | 12 | 7 | 35 | 26 | — | — | — | — | 1 | 2 | 3 | 3 | 15 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 645 | 1815 | 168 | 27 | 106 | 52 | 168 | 6 | 677 | 76 | 164 | 135 | 135 | 138 | 190 | 190 | 707 | 913 | 138 | 133 | 26 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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