Merrimack River Entrance Sea Conditions and Tide Table

Merrimack River Entrance Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 06:11 AM and sunset is at 07:08 PM.

	Days 1–3 Weather Summary Mostly dry. Warm air temperatures (max 26°C on Mon afternoon, min 14°C on Sun morning). Wind will be generally light.									Days 4–6 Weather Summary Light rain (total 3mm), mostly falling on Wed night. Warm air temperatures (max 29°C on Thu afternoon, min 16°C on Fri night). Wind will be generally light.									Days 7–9 Weather Summary Mostly dry. Warm (max 31°C on Mon afternoon, min 16°C on Sat morning). Wind will be generally light.									Days 10–12 Weather Summary Heavy rain (total 58mm), heaviest during Wed afternoon. Warm (max 27°C on Tue morning, min 10°C on Wed afternoon). Winds decreasing (fresh winds from the NE on Wed morning, light winds from the S by Thu night).									Days 13–16 Weather Summary Light rain (total 3mm), mostly falling on Fri night. Very mild (max 18°C on Mon afternoon, min 10°C on Fri night). Wind will be generally light.
	Sunday 6			Monday 7			Tuesday 8			Wednesday 9			Thursday 10			Friday 11			Saturday 12			Sunday 13			Monday 14			Tuesday 15			Wednesday 16			Thursday 17			Friday 18			Saturday 19			Sunday 20			Mon 21
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM
Wave Height Map See all maps
High Tide
Low Tide
Wave Height (m) Direction Period (s)	E 7	ENE 7	E 8	E 9	E 9	E 9	E 10	E 10	E 9	E 9	ESE 5	S 4	SSE 6	SE 9	ESE 10	ESE 10	ENE 3	ENE 4	ESE 10	ESE 10	ESE 4	ESE 10	SE 3	ESE 9	SE 5	SE 4	SSE 5	ESE 9	NE 5	ENE 6	ENE 7	ENE 7	ENE 8	ENE 8	ENE 7	ENE 7	E 7	E 7	NE 5	ENE 6	ENE 6	E 6	E 6	E 6	ESE 8	E 9	E 9

	cloudy	some clouds	clear	clear	clear	clear	some clouds	clear	some clouds	cloudy	cloudy	light rain	cloudy	some clouds	some clouds	cloudy	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	mod rain	heavy rain	heavy rain	light rain	clear	clear	some clouds	some clouds	some clouds	light rain	clear	clear	clear	clear	clear	clear	clear	clear
km/h	N	SSE	W	NNW	NW	WNW	NW	SE	NNW	E	SSE	SSW	WSW	W	SW	NW	ESE	E	ESE	SE	SSW	S	SSE	SSW	SSW	SSW	SW	WNW	NE	NE	NE	NNE	NNE	NNE	ESE	WNW	NE	SE	NNE	NE	ENE	NE	E	ESE	SW	S	SSE
mm	—	—	—	—	—	—	—	—	—	—	—	3	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	6	24	25	3	—	—	—	—	—	3	—	—	—	—	—	—	—	—
max °C	15	20	17	21	26	23	23	24	20	18	22	23	26	29	25	21	19	17	18	19	18	22	25	23	26	31	25	27	18	14	12	11	11	13	15	15	15	17	16	12	13	13	13	14	13	14	18
Moonrise	12:26	—	—	1:42	—	—	3:01	—	—	4:19	—	—	5:35	—	—	6:47	—	—	7:58	—	—	9:08	—	—	10:16	—	—	11:24	—	—	12:30	—	—	1:32	—	—	2:28	—	—	—	3:15	—	—	3:55	—	—	4:27
Moonset	—	4:44	—	—	5:24	—	—	5:55	—	—	6:21	—	—	6:43	—	—	7:04	—	—	7:25	—	—	7:47	—	—	8:12	—	—	8:40	—	—	—	9:15	—	—	9:57	—	—	10:47	—	—	11:45	—	—	—	12:47	—
	6:11	—	—	6:13	—	—	6:13	—	—	6:15	—	—	6:16	—	—	6:18	—	—	6:18	—	—	6:20	—	—	6:20	—	—	6:22	—	—	6:22	—	—	6:24	—	—	6:24	—	—	6:26	—	—	6:26	—	—	6:28	—
	—	7:08	—	—	7:07	—	—	7:06	—	—	7:04	—	—	7:01	—	—	7:00	—	—	6:59	—	—	6:57	—	—	6:54	—	—	6:53	—	—	6:52	—	—	6:50	—	—	6:47	—	—	6:45	—	—	6:45	—	—	6:43
	Today's sea temperature in Merrimack River Entrance is 19.6°C (Statistics for 06 Sep 1981-2005 – mean: 18.0 max: 20.1 min: 16.3°C)