Point Forecast: 5NM SE Nantucket MA  41.22N 70.04W (Elev. 0 m)	Last Update: 8:07 pm EDT May 19, 2026

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Date	05/19			05/20
Hour (EDT)	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20
Surface Wind (km/h)	32	32	29	29	27	27	27	27	27	27	27	26	27	27	27	29	29	32	32	32	29	27	26	24
Wind Dir	WSW	WSW	SW	SW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	SW	SW	SW	SW	SW	WSW	WSW	WSW
Gust
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	1
Wave Direction (°)
Swell Height (m)
Swell Dir
Swell Period (sec)	16	16	16	16	15	15	15	15	15	15	15	15	15	15	15	13	11	10	11	13	14	12	8	6
Swell 2 Period (sec)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
Wind 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
Date				05/21
Hour (EDT)	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20
Surface Wind (km/h)	23	21	18	18	16	16	18	21	21	21	23	24	24	24	24	24	23	21	18	16	14	13	10	8
Wind Dir	WSW	W	W	W	WNW	NW	NNW	N	N	N	NNE	NNE	NNE	NNE	NNE	NNE	NE	NE	NE	ENE	ENE	E	E	ESE
Gust
Significant Wave Height (m)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Wave Direction (°)
Swell Height (m)
Swell Dir
Swell Period (sec)	7	10	12	11	9	7	7	7	7	7	7	7	7	6	6	6	6	6	6	6	6	6	6	6
Swell 2 Period (sec)	6	6	6	6	6	6	6	6	6	6	6	6	6	7	7	7	7	6	6	6	6	6	6	6
Wind Wave Height (m)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1

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