Surf Forecasts:
How big are the waves at Block Island today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 1ft (0.3m), 9s period with SE swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 1ft (0.3m), 10s period with SE swell.
- Evening surf: Evening surf (12 Sep, local time) - 1ft (0.3m), 10s period with SE swell.
The current surf forecast for Block Island at 12PM is: 0.3m 9s primary swell from a Southeast direction and 0.4m 6s secondary swell from a South-southwest direction (forecast issued at 07:00am September 12). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 1ft (0.3m) | 9s |
| Afternoon (12 Sep) | 1ft (0.3m) | 10s |
| Evening (12 Sep) | 1ft (0.3m) | 10s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 69mm), heaviest during Sun morning. Warm (max 23°C on Mon afternoon, min 16°C on Mon night). Winds increasing (light winds from the NNW on Sun night, fresh winds from the NNE by Mon night). | |||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | |||||||||||||||||||||
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) | SSW 6 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SSE 5 | S 5 | S 6 | S 6 | S 6 | SE 9 | S 6 | SE 9 | SSE 8 | SE 6 | SE 8 | SE 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 21 | 14 | 14 | 14 | 15 | 15 | 24 | 34 | 34 | 33 | 33 | 38 | 42 | 60 | 54 | 56 | 25 | 42 | 27 | 64 | 30 | 34 | 34 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-on | on | on | on | on | on | on | on | cross-on | cross-off | off | off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 9:16AM1.09m | 9:33PM0.93m | 9:59AM1.06m | 10:14PM0.87m | 10:41AM1.01m | 10:54PM0.80m | |||||||||||||||||
Low Tide | 2:59AM-0.02m | 3:32PM-0.01m | 3:29AM0.02m | 4:16PM0.04m | 3:55AM0.06m | 4:59PM0.09m | |||||||||||||||||
 |  | | |  | |  | |  |  |  | |  | | | |  | | | | | | | |
 | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — |
mm | — | — | — | — | — | — | — | — | — | 2 | 40 | 20 | 3 | — | — | — | 1 | 2 | 1 | — | — | — | — |
Temp °C | 19 | 19 | 19 | 20 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 22 | 19 | 19 | 22 | 23 | 21 | 18 |
Feels °C | 17 | 17 | 17 | 18 | 20 | 19 | 19 | 19 | 22 | 23 | 23 | 23 | 22 | 24 | 23 | 21 | 22 | 15 | 17 | 21 | 22 | 16 | 11 |
Swell 1 Height (m) Direction Period (s) | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 5 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | S 5 | S 6 | S 6 | S 6 | SSE 6 | S 6 | SSE 6 | SSE 8 | SE 6 | SE 8 | SE 8 |
| kJ | 21 | 14 | 11 | 10 | 6 | 15 | 24 | 34 | 34 | 33 | 33 | 31 | 42 | 60 | 54 | 56 | 25 | 42 | 15 | 64 | 30 | 34 | 34 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SSW 5 | S 8 | SSW 5 | S 9 | SSW 4 | — | — | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ENE 4 | ENE 5 | SSW 6 | S 6 |
| kJ | 13 | 14 | 14 | 14 | 15 | 3 | 1 | 2 | 2 | 2 | — | — | 30 | 30 | 29 | 29 | 20 | 27 | 27 | 12 | 9 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | SE 6 | SSE 6 | SSE 6 | SSE 6 | SE 6 | SE 8 | S 8 | S 9 | — | — | — | — | SE 9 | S 10 | — | ENE 3 | — | SE 9 | SW 5 | SW 5 | SSW 6 | — | — |
| kJ | 2 | 4 | 4 | 4 | 1 | 3 | 1 | 2 | — | — | — | — | 31 | 2 | — | 1 | — | 27 | 6 | 4 | 6 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSE 6 | S 5 | SSE 3 | S 3 | SSE 4 | SSE 4 | SSE 5 | WNW 3 | N 3 | NNW 3 | — | SSW 5 | N 2 | NE 4 | NE 5 | — | NE 5 | NE 4 |
| kJ | — | — | — | — | — | 3 | 8 | 3 | 6 | 11 | 19 | 38 | 2 | 1 | 1 | — | 24 | 2 | 17 | 30 | — | 10 | 16 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 702 | 776 | 1148 | 1156 | 1084 | 605 | 209 | 397 | 340 | 257 | 198 | 24 | 24 | 24 | 24 | 221 | 24 | 41 | 249 | 24 | 29 | 207 | 634 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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