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 — and sunset is at 05:07 PM.

Days 1–4 Weather Summary

A light covering of new snow, mostly falling on Wed night. Icy conditions (max 2°C on Thu morning, min -6°C on Mon night). Winds increasing (light winds from the NW on Tue night, fresh winds from the E by Wed night).

Days 5–7 Weather Summary

A moderate fall of snow, heaviest on Sun morning. Icy conditions (max 1°C on Thu afternoon, min -8°C on Fri night). Winds decreasing (fresh winds from the W on Thu night, calm by Sat night).

Days 8–10 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max 0°C on Sun afternoon, min -19°C on Tue night). Winds increasing (light winds from the N on Sun night, fresh winds from the WNW by Mon morning).

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 1°C on Fri afternoon, min -14°C on Wed night). Wind will be generally light.

Mon
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Sat
22
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
Wave Height Map
High Tide
Low Tide
Wave
height (m) 
direction
period (s) 
0.7
E
7
0.4
E
8
0.4
S
4
0.5
SW
3
0.2
ESE
10
0.7
NE
4
0.7
ENE
4
1
E
5
2
ESE
7
2.1
ESE
9
1.5
ESE
9
1
ESE
9
0.9
ESE
8
0.3
ESE
8
0.3
E
9
0.8
SSE
4
0.6
SE
6
0.8
SE
7
1.1
NE
4
1.1
ENE
6
1
E
7
1
NW
4
0.6
ESE
10
0.4
SE
10
0.4
SE
9
0.8
NNW
4
0.7
NW
3
0.6
NW
3
0.4
SE
8
0.2
ESE
8
0.2
ESE
11
0.4
E
3
0.3
ESE
6
0.5
SE
10
0.9
SE
10
0.8
ESE
10
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
light snow
light snow
cloud
clear
clear
clear
part cloud
cloud
light snow
light snow
mod snow
light snow
part cloud
clear
clear
part cloud
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
some clouds
clear
some clouds
some clouds
some clouds
cloudy
cloudy
light snow
light snow
cloudy
clear
clear
clear
some clouds
cloudy
light snow
light snow
mod snow
light snow
some clouds
clear
clear
some clouds
cloudy
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
clear
clear
 km/h
20
NW
10
W
20
WSW
20
WSW
10
NW
20
NE
20
NE
25
E
30
ESE
10
NW
30
W
30
WNW
30
WNW
15
WSW
15
SSW
20
S
0
W
20
NNE
25
N
15
WNW
30
WNW
35
WNW
15
W
15
W
15
W
30
NW
25
NW
25
WNW
10
NW
10
N
5
ENE
10
NNE
10
W
15
W
20
WNW
20
NW
 mm 
max°C
-2
-5
-2
-1
-3
-4
-4
-2
2
1
1
-4
-3
-6
-1
0
1
0
0
-2
-6
-8
-12
-9
-7
-12
-11
-10
-12
-8
-5
-4
-1
1
-4
-3
Moonrise
3:01
4:13
5:22
6:28
7:33
8:35
9:37
10:40
11:44
12:50
1:55
2:58
Moonset
6:01
6:35
7:01
7:23
7:42
7:59
8:16
8:34
8:55
9:19
9:48
10:25
11:13
Sunrise
6:45
6:43
6:43
6:41
6:39
6:37
6:37
6:35
6:33
6:33
6:31
6:30
Sunset
5:07
5:08
5:09
5:12
5:13
5:14
5:15
5:16
5:17
5:20
5:21
5:22
Today's sea temperature in Merrimack River Entrance is 4.1 °C (Statistics for 10 Feb 1981-2005 – mean: 3.4 max: 4.6 min: 2.1°C)
Issued (local time): 6 pm Monday 10 Feb 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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