Surf Forecasts:
How big are the waves at Block Island today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 1.5ft (0.5m), 3s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 3ft (0.9m), 4s period with SSW swell.
- Evening surf: Evening surf (18 Jul, local time) - 5ft (1.5m), 5s period with SSW swell.
The current surf forecast for Block Island at 11AM is: 0.6m 4s primary swell from a South-southwest direction and 0.1m 8s secondary swell from a Southeast direction, 0.1m 13s secondary swell from a Southeast direction (forecast issued at 07:00am July 18). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 1.5ft (0.5m) | 3s |
| Afternoon (18 Jul) | 3ft (0.9m) | 4s |
| Evening (18 Jul) | 5ft (1.5m) | 5s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 22mm), heaviest during Sat night. Warm (max 26°C on Sun afternoon, min 20°C on Sun night). Winds decreasing (strong winds from the WSW on Sat night, calm by Mon morning). | |||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
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 5 | SSW 3 | SSW 4 | SSW 4 | SSW 5 | SSW 5 | SW 6 | SW 6 | SSW 6 | SSW 7 | SSW 8 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | S 8 | S 8 | S 8 | S 8 | SSW 8 | SSW 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 10 | 7 | 11 | 28 | 40 | 108 | 252 | 224 | 170 | 256 | 270 | 220 | 208 | 191 | 151 | 120 | 127 | 127 | 127 | 124 | 121 | 99 | 94 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | on | on |
High Tide | 11:49AM0.98m | 00:00AM0.88m | 12:42PM0.95m | 00:50AM0.79m | 1:37PM0.91m | ||||||||||||||||||
Low Tide | 5:43AM-0.02m | 6:08PM0.07m | 6:28AM0.03m | 7:10PM0.13m | 7:13AM0.09m | 8:13PM0.18m | |||||||||||||||||
 |  |  |  |  |  |  |  | | | | | | | | | | | | | | | | |
 | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:14 | — |
mm | — | — | — | — | 3 | 3 | 6 | 8 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 23 | 23 | 23 | 21 | 21 | 23 | 21 | 22 | 22 | 22 | 24 | 26 | 26 | 23 | 20 | 20 | 20 | 21 | 22 | 22 | 21 | 22 |
Feels °C | 21 | 21 | 21 | 20 | 19 | 19 | 21 | 17 | 20 | 20 | 19 | 21 | 23 | 23 | 20 | 16 | 16 | 17 | 20 | 19 | 20 | 19 | 21 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 13 | SE 13 | SE 13 | SSW 7 | SSW 8 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | S 8 | S 8 | S 8 | S 8 | SSW 8 | SE 8 |
| kJ | 3 | 3 | 3 | 3 | 3 | 3 | 7 | 7 | 7 | 256 | 270 | 220 | 208 | 191 | 151 | 120 | 127 | 127 | 127 | 124 | 121 | 99 | 3 |
Swell 2 Height (m) Direction Period (s) | SE 14 | SE 14 | SE 13 | SE 13 | SE 13 | SE 13 | E 8 | SE 8 | — | SE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | NNE 3 | SE 12 | SE 12 | SE 12 | SE 12 |
| kJ | 8 | 7 | 7 | 7 | 7 | 7 | 1 | 3 | — | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 1 | 6 | 6 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 8 | — | E 8 | — | E 8 | — | — | — | SE 13 | — | — | — | — | — | — | SE 12 | SE 12 | SE 12 | SE 12 | — |
| kJ | — | — | — | 1 | — | 1 | — | 1 | — | — | — | 6 | — | — | — | — | — | — | 6 | 6 | 6 | 6 | — |
Wind waves Height (m) Direction Period (s) | SSW 5 | SSW 3 | SSW 4 | SSW 4 | SSW 5 | SSW 5 | SW 6 | SW 6 | SSW 6 | NW 3 | NW 3 | — | NW 3 | NW 3 | NW 3 | NW 3 | NNE 3 | NNE 3 | NNE 3 | — | — | — | SSW 8 |
| kJ | 10 | 6 | 11 | 28 | 40 | 108 | 252 | 224 | 170 | 6 | 6 | — | 3 | 1 | 3 | 3 | 3 | 4 | 4 | — | — | — | 94 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 634 | 767 | 1084 | 2593 | 2912 | 319 | 878 | 398 | 195 | 25 | 24 | 24 | 24 | 0 | 0 | 24 | 24 | 24 | 24 | 24 | 24 | 767 | 24 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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