| Point Forecast: 5NM SE Nantucket MA 41.22N 70.04W (Elev. 0 m) |
Last Update: 2:50 am EDT Mar 11, 2026 |
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| Date | 03/11 | 03/12 | ||||||||||||||||||||||
| Hour (EDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Surface Wind (km/h) | 10 | 8 | 8 | 8 | 11 | 13 | 14 | 16 | 16 | 18 | 21 | 23 | 23 | 26 | 27 | 32 | 34 | 35 | 37 | 37 | 37 | 39 | 39 | 39 |
| Wind Dir | SW | SSW | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW |
| Gust | 51 | 51 | 53 | 53 | 53 | |||||||||||||||||||
| Significant Wave Height (m) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wave Direction (°) | ||||||||||||||||||||||||
| Swell Height (m) | ||||||||||||||||||||||||
| Swell Dir | ||||||||||||||||||||||||
| Swell Period (sec) | 7 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 6 |
| Swell 2 Period (sec) | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 |
| Wind Wave Height (m) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Date | 03/13 | |||||||||||||||||||||||
| Hour (EDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Surface Wind (km/h) | 39 | 39 | 39 | 39 | 39 | 37 | 35 | 32 | 29 | 29 | 27 | 27 | 26 | 26 | 27 | 27 | 29 | 32 | 34 | 34 | 32 | 32 | 29 | 27 |
| Wind Dir | SSW | SSW | SSW | SSW | SW | SW | WSW | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW |
| Gust | 53 | 53 | 51 | 51 | 51 | |||||||||||||||||||
| Significant Wave Height (m) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wave Direction (°) | ||||||||||||||||||||||||
| Swell Height (m) | ||||||||||||||||||||||||
| Swell Dir | ||||||||||||||||||||||||
| Swell Period (sec) | 9 | 12 | 15 | 16 | 16 | 15 | 13 | 10 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 |
| Swell 2 Period (sec) | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Wind Wave Height (m) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 |


