Surf Forecasts:
How big are the waves at Block Island today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 1.5ft (0.4m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 3.5ft (1.0m), 5s period with S swell.
- Evening surf: Evening surf (13 Sep, local time) - 3ft (0.9m), 6s period with S swell.
The current surf forecast for Block Island at 4PM is: 1.0m 5s primary swell from a South direction and 0.4m 9s secondary swell from a Southeast direction, 1.0m 5s secondary swell from a South direction (forecast issued at 01:00pm September 13). The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 1.5ft (0.4m) | 10s |
| Afternoon (13 Sep) | 3.5ft (1.0m) | 5s |
| Evening (13 Sep) | 3ft (0.9m) | 6s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 41mm), heaviest during Sun afternoon. Warm (max 23°C on Mon afternoon, min 15°C on Mon night). Winds decreasing (fresh winds from the SW on Sun afternoon, light winds from the S by Tue night). | |||||||||||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | |||||||||||||||||||
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 10 | S 5 | S 5 | S 6 | S 6 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SSE 7 | E 4 | E 5 | E 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 33 | 47 | 55 | 50 | 52 | 40 | 27 | 77 | 59 | 19 | 34 | 34 | 34 | 18 | 20 | 20 | 13 | 9 | 10 | 10 | 8 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross | cross-off | off | cross | cross | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | on | on |
High Tide | 9:59AM1.06m | 10:14PM0.87m | 10:41AM1.01m | 10:54PM0.80m | 11:24AM0.95m | ||||||||||||||||
Low Tide | 4:16PM0.04m | 3:55AM0.06m | 4:59PM0.09m | 4:21AM0.11m | 5:46PM0.16m | ||||||||||||||||
 |  |  |  | | | |  |  | | | | | | | | | | | |  | |
 | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:55 | — | — |
mm | 9 | 36 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 21 | 21 | 22 | 22 | 22 | 19 | 20 | 23 | 23 | 21 | 18 | 16 | 15 | 15 | 16 | 16 | 17 | 17 | 16 |
Feels °C | 22 | 20 | 23 | 23 | 24 | 22 | 22 | 14 | 15 | 19 | 19 | 16 | 12 | 11 | 10 | 10 | 13 | 14 | 16 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 9 | S 5 | S 6 | S 6 | SE 6 | SSE 6 | SE 9 | SE 9 | SSW 6 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SSE 7 | E 4 | E 5 | E 5 |
| kJ | 33 | 31 | 55 | 50 | 52 | 30 | 23 | 77 | 59 | 12 | 34 | 34 | 34 | 18 | 20 | 20 | 13 | 9 | 10 | 10 | 7 |
Swell 2 Height (m) Direction Period (s) | — | E 3 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SSW 6 | SSW 6 | SE 6 | SSW 6 | S 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSE 7 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
| kJ | — | 2 | 30 | 29 | 29 | 28 | 27 | 17 | 14 | 9 | 11 | 10 | 7 | 7 | 4 | 8 | 4 | 8 | 8 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 10 | S 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SSE 6 | E 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSW 6 | SSW 6 | S 7 | S 7 | S 7 |
| kJ | — | — | — | 2 | 2 | 40 | 27 | 27 | 27 | 19 | 4 | 1 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 3 |
Wind waves Height (m) Direction Period (s) | SSE 4 | S 5 | — | — | — | SSW 6 | SW 5 | NW 3 | NNW 4 | NNW 4 | NNW 3 | N 3 | NNE 4 | NNE 4 | NE 4 | ENE 5 | ENE 5 | ENE 5 | — | — | — |
| kJ | 20 | 47 | — | — | — | 18 | 23 | 8 | 18 | 9 | 4 | 5 | 21 | 21 | 26 | 37 | 36 | 19 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 398 | 221 | 152 | 24 | 24 | 24 | 26 | 221 | 26 | 152 | 770 | 152 | 634 | 249 | 767 | 249 | 339 | 207 | 691 | 767 | 1095 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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