Point Forecast: 11NM SW Nantucket MA  41.12N 70.24W (Elev. 0 ft)	Last Update: 1:49 pm EDT Aug 17, 2026

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Date	08/17				08/18
Hour (EDT)	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19
Surface Wind (kt)	10	10	9	7	6	6	6	6	6	7	7	7	8	8	8	8	7	6	6	5	4	4	3	4
Wind Dir	SE	SE	ESE	ESE	ESE	E	NNE	N	N	N	N	NNW	N	N	N	NNW	N	N	NNW	NNW	NNW	N	N	N
Gust
Significant Wave Height (ft)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3	3
Swell Height (ft)
Swell Dir
Swell Period (sec)	6	6	6	6	6	6	6	6	6	6	6	7	7	7	7	7	7	7	7	7	7	7	7	7
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec)
Wind Wave Height (ft)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3	3	3	3	3	3
Date					08/19
Hour (EDT)	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19
Surface Wind (kt)	4	3	3	4	3	4	4	4	4	4	4	4	4	4	4	5	6	7	8	8	9	9	9	10
Wind Dir	N	NW	NNW	NW	NW	NW	WNW	WNW	WNW	WNW	WNW	W	W	W	WSW	SW	SW	SW	SW	SW	SW	SW	SW	SW
Gust
Significant Wave Height (ft)	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	2	2	2	2	2	2	2	2	2
Swell Height (ft)
Swell Dir
Swell Period (sec)	7	7	8	8	8	7	7	7	6	6	6	6	6	6	7	7	7	6	6	6	6	6	6	7
Swell 2 Height (ft)
Swell 2 Dir
Swell 2 Period (sec)
Wind Wave Height (ft)	3	3	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2

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