Point Forecast: 5NM SE Nantucket MA  41.22N 70.04W (Elev. 0 m)	Last Update: 12:45 am EST Jan 20, 2026

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Weather Elements Marine Weather Aviation Weather Temperature (°C) Dewpoint (°C) Wind Chill (°C) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Snow Freezing Rain Sleet Freezing Spray Fog Swell Period Swell Hgt/Dir Swell 2 Period Wind Wave Height Significant Wave Height Freezing Spray Ceiling Height Visibility Thunder Potential

48-Hour Period Starting: 1am Tue, Jan 20 20262am Tue, Jan 20 20263am Tue, Jan 20 20264am Tue, Jan 20 20265am Tue, Jan 20 20266am Tue, Jan 20 20267am Tue, Jan 20 20268am Tue, Jan 20 20269am Tue, Jan 20 202610am Tue, Jan 20 202611am Tue, Jan 20 202612pm Tue, Jan 20 20261pm Tue, Jan 20 20262pm Tue, Jan 20 20263pm Tue, Jan 20 20264pm Tue, Jan 20 20265pm Tue, Jan 20 20266pm Tue, Jan 20 20267pm Tue, Jan 20 20268pm Tue, Jan 20 20269pm Tue, Jan 20 202610pm Tue, Jan 20 202611pm Tue, Jan 20 202612am Wed, Jan 21 20261am Wed, Jan 21 20262am Wed, Jan 21 20263am Wed, Jan 21 20264am Wed, Jan 21 20265am Wed, Jan 21 20266am Wed, Jan 21 20267am Wed, Jan 21 20268am Wed, Jan 21 20269am Wed, Jan 21 202610am Wed, Jan 21 202611am Wed, Jan 21 202612pm Wed, Jan 21 20261pm Wed, Jan 21 20262pm Wed, Jan 21 20263pm Wed, Jan 21 20264pm Wed, Jan 21 20265pm Wed, Jan 21 20266pm Wed, Jan 21 20267pm Wed, Jan 21 20268pm Wed, Jan 21 20269pm Wed, Jan 21 202610pm Wed, Jan 21 202611pm Wed, Jan 21 202612am Thu, Jan 22 20261am Thu, Jan 22 20262am Thu, Jan 22 20263am Thu, Jan 22 20264am Thu, Jan 22 20265am Thu, Jan 22 20266am Thu, Jan 22 20267am Thu, Jan 22 20268am Thu, Jan 22 20269am Thu, Jan 22 202610am Thu, Jan 22 202611am Thu, Jan 22 202612pm Thu, Jan 22 20261pm Thu, Jan 22 20262pm Thu, Jan 22 20263pm Thu, Jan 22 20264pm Thu, Jan 22 20265pm Thu, Jan 22 20266pm Thu, Jan 22 20267pm Thu, Jan 22 20268pm Thu, Jan 22 20269pm Thu, Jan 22 202610pm Thu, Jan 22 202611pm Thu, Jan 22 202612am Fri, Jan 23 20261am Fri, Jan 23 20262am Fri, Jan 23 20263am Fri, Jan 23 20264am Fri, Jan 23 20265am Fri, Jan 23 20266am Fri, Jan 23 20267am Fri, Jan 23 20268am Fri, Jan 23 20269am Fri, Jan 23 202610am Fri, Jan 23 202611am Fri, Jan 23 202612pm Fri, Jan 23 20261pm Fri, Jan 23 20262pm Fri, Jan 23 20263pm Fri, Jan 23 20264pm Fri, Jan 23 20265pm Fri, Jan 23 20266pm Fri, Jan 23 20267pm Fri, Jan 23 20268pm Fri, Jan 23 20269pm Fri, Jan 23 202610pm Fri, Jan 23 202611pm Fri, Jan 23 202612am Sat, Jan 24 20261am Sat, Jan 24 20262am Sat, Jan 24 20263am Sat, Jan 24 20264am Sat, Jan 24 20265am Sat, Jan 24 20266am Sat, Jan 24 20267am Sat, Jan 24 20268am Sat, Jan 24 20269am Sat, Jan 24 202610am Sat, Jan 24 202611am Sat, Jan 24 202612pm Sat, Jan 24 2026

Date	01/20																							01/21
Hour (EST)	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00
Surface Wind (km/h)	39	39	37	37	35	34	32	32	32	32	34	34	35	35	35	35	35	34	34	34	34	32	29	27
Wind Dir	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	WNW	WNW	WNW	WNW	WNW	WNW	WNW
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	2
Wave Direction (°)
Swell Height (m)
Swell Dir
Swell Period (sec)	8	7	8	8	8	8	8	8	8	8	8	8	8	7	7	7	7	7	7	7	7	7	7	7
Swell 2 Period (sec)	7	7	7	6	7	7	6	6	6	6	6	6	7	7	7	7	7	7	7	7	7	7	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	1
Date																								01/22
Hour (EST)	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00
Surface Wind (km/h)	26	24	24	23	21	18	16	18	21	23	24	26	26	27	27	27	29	32	32	34	34	34	34	34
Wind Dir	WNW	WNW	WNW	WNW	WNW	W	W	W	WSW	WSW	WSW	SW	SW	SW	SW	SW	SW	SSW	SSW	SSW	SSW	SSW	SSW	SW
Gust
Significant Wave Height (m)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	2
Wave Direction (°)
Swell Height (m)
Swell Dir
Swell Period (sec)	7	7	7	7	7	7	7	7	6	6	6	6	6	6	6	5	5	5	5	6	6	6	6	6
Swell 2 Period (sec)	6	6	6	6	6	6	6	6	6	6	6	6	6	5	5	5	5	5	5	5	5	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	2	2	2	2	2

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