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 05:03 AM and sunset is at 08:22 PM.

	Days 1–3 Weather Summary Light rain (total 6mm), mostly falling on Sun night. Warm air temperatures (max 29°C on Sun afternoon, min 15°C on Mon night). Wind will be generally light.									Days 4–6 Weather Summary Light rain (total 2mm), mostly falling on Thu afternoon. Warm air temperatures (max 24°C on Tue afternoon, min 15°C on Tue night). Winds increasing (light winds from the SW on Tue morning, fresh winds from the SSE by Wed afternoon).									Days 7–9 Weather Summary Light rain (total 6mm), mostly falling on Fri night. Warm (max 25°C on Sat afternoon, min 13°C on Sat night). Wind will be generally light.									Days 10–12 Weather Summary Heavy rain (total 37mm), heaviest during Mon night. Warm (max 23°C on Wed afternoon, min 13°C on Mon afternoon). Wind will be generally light.									Days 13–16 Weather Summary Moderate rain (total 10mm), heaviest on Fri night. Warm (max 29°C on Sat afternoon, min 17°C on Thu night). Wind will be generally light.
	Saturday 13			Sunday 14			Monday 15			Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24			Thursday 25			Friday 26			Saturday 27			Sun 28
	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)	ESE 7	ESE 8	ESE 8	ESE 8	SSE 4	SSE 5	SE 6	ESE 7	ESE 7	ESE 7	SE 4	SE 5	E 7	SE 4	SE 5	SE 4	SE 6	SE 7	SE 7	SSE 3	SW 3	NW 3	ESE 8	W 3	WNW 3	NW 3	ESE 9	SE 8	SE 4	SE 4	NE 4	ENE 5	E 5	E 6	E 6	E 6	E 6	SE 4	SSE 4	S 4	SSE 5	SSE 5	SE 6	SE 4	SE 7	SE 9	SE 9

	clear	clear	some clouds	some clouds	some clouds	mod rain	clear	some clouds	clear	clear	some clouds	some clouds	some clouds	clear	some clouds	cloudy	light rain	clear	some clouds	some clouds	risk tstorm	clear	clear	rain shwrs	clear	clear	clear	some clouds	light rain	heavy rain	cloudy	some clouds	rain shwrs	clear	some clouds	clear	clear	some clouds	some clouds	cloudy	light rain	mod rain	clear	some clouds	clear	clear	clear
km/h	NNW	N	WNW	S	S	S	WNW	NW	WNW	SW	SSE	SW	S	SSE	S	SSE	SSW	W	NW	SSE	WNW	WNW	W	W	WNW	NW	WNW	SSE	SSE	ENE	NNE	E	NNW	NNW	SSE	W	S	SSE	SW	SSW	SW	SW	SSW	SSW	W	WNW	SSW
mm	—	—	—	—	—	6	—	—	—	—	—	—	—	—	—	—	2	—	—	—	4	—	—	2	—	—	—	—	4	27	—	—	6	—	—	—	—	—	—	—	2	8	—	—	—	—	—
max °C	23	26	24	27	29	25	23	24	20	22	24	22	22	23	21	20	22	24	23	24	20	22	25	16	19	23	20	18	15	15	16	17	16	22	23	23	22	24	23	23	25	19	25	29	26	25	27
Moonrise	3:10	—	—	3:59	—	—	5:02	—	—	6:18	—	—	7:39	—	—	8:59	—	—	10:16	—	—	11:28	—	—	12:36	—	—	1:42	—	—	2:47	—	—	—	3:53	—	—	4:58	—	—	6:01	—	—	7:02	—	—	7:56
Moonset	—	7:16	—	—	8:32	—	—	—	9:36	—	—	10:25	—	—	11:03	—	—	11:32	—	—	11:56	—	—	—	12:16	—	—	12:36	—	—	12:56	—	—	1:17	—	—	1:41	—	—	2:09	—	—	2:44	—	—	3:27	—
	5:03	—	—	5:03	—	—	5:03	—	—	5:03	—	—	5:03	—	—	5:03	—	—	5:03	—	—	5:03	—	—	5:03	—	—	5:03	—	—	5:05	—	—	5:05	—	—	5:05	—	—	5:05	—	—	5:05	—	—	5:05	—
	—	8:22	—	—	8:22	—	—	8:22	—	—	8:22	—	—	8:23	—	—	8:23	—	—	8:23	—	—	8:23	—	—	8:24	—	—	8:24	—	—	8:24	—	—	8:24	—	—	8:24	—	—	8:24	—	—	8:24	—	—	8:24
	Today's sea temperature in Merrimack River Entrance is 15.6° C (Statistics for 13 Jun 1981-2005 – mean: 13.9 max: 16.4 min: 12.2°C)