Merrimacport, Merrimack River Sea Conditions and Tide Table

Merrimacport, Merrimack River 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 06:09 AM and sunset is at 05:39 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 16°C on Mon afternoon, min -1°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Thu afternoon. Warm air temperatures (max 21°C on Tue afternoon, min 5°C on Wed morning). Winds increasing (calm on Tue night, fresh winds from the SSW by Thu afternoon).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 12°C on Sat morning, min -3°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 2mm) at first, then becoming colder with a dusting of snow on Mon night. Freeze-thaw conditions (max 17°C on Mon afternoon, min -4°C on Tue night). Winds decreasing (fresh winds from the S on Mon afternoon, calm by Tue night).

Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sun
22
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
Wave Height Map
High Tide
3:02PM2.05m
3:22AM2.19m
3:47PM1.96m
4:08AM2.16m
4:35PM1.88m
4:56AM2.12m
5:25PM1.80m
5:47AM2.08m
6:16PM1.74m
6:40AM2.05m
7:11PM1.70m
7:36AM2.03m
8:09PM1.70m
8:33AM2.05m
9:04PM1.74m
9:26AM2.10m
9:55PM1.83m
10:16AM2.16m
10:42PM1.93m
11:03AM2.22m
11:28PM2.06m
11:50AM2.26m
00:13AM2.19m
12:36PM2.29m
00:58AM2.32m
1:23PM2.30m
1:43AM2.42m
2:10PM2.26m
Low Tide
9:23AM0.05m
9:40PM0.15m
10:11AM0.10m
10:25PM0.23m
11:00AM0.16m
11:13PM0.30m
11:52AM0.22m
00:04AM0.36m
12:45PM0.27m
00:57AM0.41m
1:41PM0.29m
1:54AM0.42m
2:38PM0.28m
2:50AM0.39m
3:31PM0.24m
3:42AM0.34m
4:20PM0.19m
4:31AM0.26m
5:05PM0.13m
5:19AM0.18m
5:50PM0.07m
6:06AM0.09m
6:34PM0.02m
6:52AM-0.01m
7:16PM-0.01m
7:38AM-0.08m
7:57PM-0.02m
8:25AM-0.13m
Wave
height (m) 
direction
period (s) 
1.3
ESE
8
1.3
ESE
9
1.1
ESE
9
0.9
ESE
10
0.8
ESE
10
0.7
ESE
9
0.5
E
9
0.6
E
9
0.5
E
9
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.5
E
8
0.5
E
8
0.6
ESE
8
0.9
SSE
5
1.6
SSE
7
0.9
SE
9
0.8
ESE
11
0.6
ESE
10
1.1
S
4
0.6
SE
8
0.5
SE
8
0.3
SE
8
0.3
SE
7
0.2
ESE
10
0.8
E
4
0.9
ESE
6
1.3
SE
6
1.4
SE
8
0.9
SE
8
1
SE
9
0.7
SE
9
0.6
ESE
10
0.6
ESE
10
0.7
ESE
9
0.5
ESE
9
0.7
ESE
9
0.7
ESE
8
1
ESE
8
0.9
ESE
8
0.7
ESE
8
0.9
NNW
4
1
NE
5
0.6
E
8
0.4
ESE
8
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
light rain
part cloud
part cloud
cloud
cloud
part cloud
clear
cloud
cloud
cloud
cloud
part cloud
part cloud
light snow
clear
clear
part cloud
cloud
cloud
cloud
part cloud
clear
rain showers
light rain
cloud
rain showers
clear
part cloud
cloud
cloud
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
cloudy
light rain
some clouds
some clouds
cloudy
cloudy
some clouds
clear
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
light snow
clear
clear
some clouds
cloudy
cloudy
cloudy
some clouds
clear
rain shwrs
light rain
cloudy
rain shwrs
clear
some clouds
cloudy
cloudy
 km/h
10
SSW
20
SSW
20
SW
15
SW
10
WSW
15
WSW
10
WSW
15
SW
10
SW
10
WSW
10
WSW
5
SSW
10
ENE
5
E
10
ENE
25
SSW
30
SSW
20
W
25
W
15
SW
25
SW
20
WSW
20
W
15
WNW
10
NNW
10
ESE
15
ESE
5
SSE
30
S
20
W
25
WNW
20
NW
5
NNW
5
SSE
10
SE
5
S
10
S
15
SSE
10
SSW
20
SSW
20
SW
15
WNW
25
NW
20
NW
10
NW
5
SE
 mm 
3
2
2
1
7
max°C
2
5
8
10
10
6
14
16
10
20
21
15
5
8
10
16
15
3
5
6
6
12
11
5
3
0
1
16
17
12
2
3
-2
2
2
1
6
4
3
9
12
9
1
2
-4
-1
Moonrise
10:31
12:36
1:40
2:39
3:31
4:16
4:53
5:23
5:49
6:12
6:33
6:54
7:16
7:42
8:13
Moonset
7:38
9:03
9:34
10:11
10:56
11:50
12:52
1:59
3:08
4:19
5:31
6:44
7:58
9:15
10:35
Sunrise
6:09
7:07
6:05
6:03
6:01
6:01
5:58
5:56
5:54
5:54
5:52
5:50
5:48
5:47
5:45
5:43
Sunset
5:39
6:42
5:43
5:44
5:45
5:45
5:47
5:49
5:50
5:51
5:52
5:52
5:54
5:55
5:57
Today's sea temperature in Merrimacport, Merrimack River is
2.5° C
(Statistics for 07 Mar 1981-2005 – mean: 3.2 max: 4.4 min: 1.9°C)
Issued (local time): 12 am Saturday 07 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
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