| Point Forecast: 7NM S Islip NY 40.61N 73.18W (Elev. 0 ft) |
Last Update: 3:44 pm EDT Apr 20, 2026 |
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| Date | 04/20 | 04/21 | ||||||||||||||||||||||
| Hour (EDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Surface Wind (kt) | 12 | 13 | 11 | 9 | 10 | 10 | 12 | 12 | 12 | 12 | 12 | 11 | 10 | 8 | 8 | 7 | 7 | 6 | 4 | 3 | 3 | 3 | 4 | 5 |
| Wind Dir | NNW | NNW | NNW | NNW | N | N | N | N | N | N | N | N | N | N | NNE | NNE | NNE | NNE | ENE | SSE | S | S | SSW | S |
| Gust | ||||||||||||||||||||||||
| Significant Wave Height (ft) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Wave Period (sec) | ||||||||||||||||||||||||
| Date | 04/22 | |||||||||||||||||||||||
| Hour (EDT) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Surface Wind (kt) | 6 | 6 | 7 | 8 | 9 | 9 | 10 | 10 | 10 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 8 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SSE | SSE | SSE | SE |
| Gust | ||||||||||||||||||||||||
| Significant Wave Height (ft) | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Wave Period (sec) | ||||||||||||||||||||||||


