Point Forecast: 18NM NNE Portsmouth NH  43.31N 70.57W (Elev. 3 m)	Last Update: 6:18 am EDT Sep 16, 2026

[show menu]

Date	09/16																09/17
Hour (EDT)	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07
Surface Wind (kt)	5	5	6	6	6	6	7	7	6	5	5	3	3	2	2	1	2	2	2	2	2	3	3	3
Wind Dir	SW	SW	SSW	SSW	S	S	S	S	S	S	S	S	S	SSW	SSW	W	N	N	N	N	N	N	NNE	NNE
Gust
Significant Wave Height (m)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Wave Period (sec)	9	9	9	9	9	13	14	14	14	14	13	14	14	14	14	14	14	14	14	13	13	13	13	13
Date																	09/18
Hour (EDT)	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07
Surface Wind (kt)	3	3	3	3	3	4	4	4	3	3	2	1	1	1	1	1	1	2	2	2	3	3	3	4
Wind Dir	NNE	NNE	NE	ENE	ENE	E	E	E	ESE	ESE	ESE	SE	SE	SSE	S	SSW	SW	WSW	W	W	WNW	WNW	WNW	NW
Gust
Significant Wave Height (m)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Wave Period (sec)	13	13	13	13	13	13	13	13	13	9	9	8	7	7	7	7	7	7	9	10	10	12	12	12

English Units Forecast Discussion Marine Point Forecast Hourly Weather Graph National Marine Forecasts Tide Information Hazardous Weather Outlook Regional Weather Conditions Local Climate Information Weather Alerts ! Home