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 07:13 AM and sunset is at 04:16 PM.

Days 1–3 Weather Summary

Moderate rain (total 13mm), heaviest on Mon morning. Icy conditions (max 12°C on Sun night, min 0°C on Fri night). Winds increasing (calm on Sun morning, fresh winds from the SSE by Sun night).

Days 4–6 Weather Summary

Heavy rain (total 25mm), heaviest during Wed morning. Low air temperatures (max 9°C on Tue morning, min 1°C on Thu afternoon). Winds increasing (light winds from the S on Tue afternoon, fresh winds from the NE by Wed morning).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 1°C on Fri morning, min -7°C on Sat night). Mainly fresh winds.

Days 10–12 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 2°C on Wed morning, min -9°C on Sun night). Wind will be generally light.

Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wed
8
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
High Tide
9:18AM2.47m
9:58PM2.16m
9:58AM2.56m
10:39PM2.23m
10:38AM2.65m
11:18PM2.30m
11:18AM2.74m
11:57PM2.40m
11:59AM2.86m
00:38AM2.48m
12:42PM2.89m
1:21AM2.55m
1:28PM2.87m
2:06AM2.61m
2:17PM2.81m
2:55AM2.65m
3:09PM2.70m
3:47AM2.67m
4:07PM2.56m
4:43AM2.69m
5:10PM2.43m
5:42AM2.71m
6:17PM2.34m
Low Tide
3:50PM0.11m
3:50AM0.41m
4:31PM0.05m
4:30AM0.37m
5:11PM-0.02m
5:10AM0.32m
5:51PM-0.07m
5:51AM0.24m
6:31PM-0.15m
6:34AM0.19m
7:13PM-0.18m
7:20AM0.15m
7:56PM-0.19m
8:10AM0.12m
8:42PM-0.17m
9:04AM0.09m
9:32PM-0.12m
10:03AM0.07m
10:25PM-0.04m
11:06AM0.04m
11:23PM0.04m
12:12PM0.00m
Wave
height (m) 
direction
period (s) 
0.5
E
10
0.5
E
9
0.4
E
9
0.3
E
9
0.3
E
9
0.7
E
10
1.5
SE
6
1.1
SE
8
0.8
ESE
8
0.5
ESE
8
0.5
ESE
8
0.5
E
8
2.1
E
6
2
E
8
1.3
E
8
0.8
NNE
5
0.9
WNW
4
1
WNW
4
0.9
WNW
4
0.9
WNW
4
0.9
WNW
4
0.8
W
4
0.7
N
6
0.6
NNE
6
0.5
E
13
0.6
NW
3
0.6
NNE
5
0.4
E
12
0.3
E
12
0.2
E
12
0.1
E
12
0.2
E
12
0.3
E
12
0.3
ESE
12
0.5
NW
3
light rain
cloud
part cloud
light rain
cloud
light rain
mod rain
clear
clear
part cloud
cloud
light rain
heavy rain
light rain
rain showers
part cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
clear
cloud
cloud
part cloud
cloud
light snow
part cloud
cloud
clear
light rain
cloudy
some clouds
light rain
cloudy
light rain
mod rain
clear
clear
some clouds
cloudy
light rain
heavy rain
light rain
rain shwrs
some clouds
cloudy
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
some clouds
clear
cloudy
cloudy
some clouds
cloudy
light snow
some clouds
cloudy
clear
 km/h
10
SW
10
SSW
10
W
5
S
5
SSE
20
S
25
S
20
SW
25
SW
15
SW
10
S
10
ENE
40
NE
20
NW
30
WNW
30
W
30
WNW
35
WNW
35
W
35
W
30
W
30
W
25
WNW
25
WNW
20
WNW
25
NW
20
WNW
15
W
15
W
10
W
5
SSE
5
NW
5
NW
20
W
20
NW
 mm 
1.0
1.0
4
7
5
14
5
1.0
max°C
4
5
5
6
10
12
12
11
8
9
9
8
6
4
4
3
3
0
1
0
-2
0
-1
-3
-4
-4
-8
-4
-2
-2
0
0
-2
2
1
Moonrise
5:21
6:26
7:25
8:15
8:55
9:27
9:54
10:17
10:38
10:59
11:22
11:48
Moonset
1:58
2:46
3:44
4:52
6:06
7:22
8:38
9:52
11:06
12:21
1:37
Sunrise
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
Sunset
4:16
4:17
4:17
4:17
4:19
4:20
4:21
4:22
4:22
4:23
4:24
4:25
Today's sea temperature in Merrimack River Entrance is 6.9 °C (Statistics for 28 Dec 1981-2005 – mean: 6.0 max: 7.8 min: 4.3°C)
Issued (local time): 12 am Saturday 28 Dec 2024
Forecast update inUpdates in  hr  min  sUpdate imminent
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