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 06:46 AM and sunset is at 06:55 PM.

Days 1–3 Weather Summary

Moderate rain (total 12mm), heaviest on Fri morning. Icy conditions (max 13°C on Sat afternoon, min -5°C on Sun morning). Wind will be generally light.

Days 4–6 Weather Summary

A dusting of snow turning to light rain (total 2mm) on Mon afternoon. Icy conditions (max 9°C on Tue afternoon, min 0°C on Wed night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 4mm) at first, then becoming colder with a dusting of snow on Sat morning. Freeze-thaw conditions (max 9°C on Sat night, min 0°C on Fri night). Winds decreasing (fresh winds from the NW on Fri morning, calm by Fri night).

Days 10–12 Weather Summary

A light fall of snow, heaviest on Mon night. Turning milder with light rain (total 2mm) on Tue afternoon. Freeze-thaw conditions (max 7°C on Sun afternoon, min -8°C on Mon morning). Wind will be generally light.

Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
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
Wave Height Map
High Tide
6:01AM2.13m
6:32PM1.80m
6:53AM2.12m
7:25PM1.76m
7:47AM2.12m
8:22PM1.76m
8:45AM2.14m
9:21PM1.80m
9:43AM2.19m
10:17PM1.90m
10:38AM2.26m
11:09PM2.03m
11:31AM2.33m
11:59PM2.18m
12:22PM2.38m
00:48AM2.33m
1:13PM2.39m
1:37AM2.46m
2:03PM2.38m
2:25AM2.55m
2:53PM2.32m
3:13AM2.60m
3:43PM2.23m
4:03AM2.58m
Low Tide
12:58PM0.25m
1:07AM0.43m
1:53PM0.27m
2:02AM0.44m
2:50PM0.26m
3:01AM0.41m
3:47PM0.21m
3:59AM0.34m
4:40PM0.13m
4:52AM0.23m
5:29PM0.05m
5:44AM0.11m
6:17PM-0.02m
6:35AM-0.02m
7:04PM-0.08m
7:26AM-0.13m
7:50PM-0.11m
8:17AM-0.22m
8:36PM-0.12m
9:07AM-0.26m
9:23PM-0.08m
9:59AM-0.25m
10:12PM-0.01m
Wave
height (m) 
direction
period (s) 
1.4
ESE
10
1.5
ESE
10
1
E
10
0.6
E
10
0.6
E
9
1
NW
4
0.8
NW
4
0.6
NW
3
0.2
ESE
9
0.8
SSE
4
0.8
SE
6
0.6
SE
7
0.5
SE
8
0.4
ESE
6
0.4
SE
8
0.5
S
4
0.5
SSW
4
0.5
S
4
0.4
ESE
8
0.6
SSE
3
0.7
ESE
8
0.9
NNW
4
0.8
NE
6
0.4
NE
6
0.9
SSE
4
0.6
SSE
6
0.5
NW
3
0.5
NW
3
0.6
N
3
0.8
NNW
4
0.5
NE
5
0.4
ESE
10
0.8
SSE
4
1.6
SE
6
1.3
ESE
8
1.1
ESE
8
heavy rain
part cloud
clear
part cloud
cloud
clear
part cloud
clear
part cloud
light snow
light rain
part cloud
clear
cloud
part cloud
clear
part cloud
clear
clear
cloud
rain showers
clear
part cloud
part cloud
light snow
cloud
part cloud
clear
cloud
part cloud
part cloud
part cloud
mod snow
light snow
light snow
snow showers
heavy rain
some clouds
clear
some clouds
cloudy
clear
some clouds
clear
some clouds
light snow
light rain
some clouds
clear
cloudy
some clouds
clear
some clouds
clear
clear
cloudy
rain shwrs
clear
some clouds
some clouds
light snow
cloudy
some clouds
clear
cloudy
some clouds
some clouds
some clouds
mod snow
light snow
light snow
snow shwrs
 km/h
25
NW
30
NW
15
W
15
SW
20
W
25
WNW
25
NW
20
NW
5
E
15
SE
10
NW
10
SW
10
W
15
W
10
W
20
W
20
W
10
W
15
W
15
S
20
W
25
NW
20
NW
5
SE
15
SSW
10
W
15
NW
20
NW
20
NW
15
NW
5
NNW
10
SSE
15
SE
15
E
5
NNW
20
W
 mm 
12
2.0
3
1.0
2.0
max°C
7
6
4
9
13
8
-1
5
3
2
3
3
7
9
5
6
7
4
5
8
4
3
5
2
2
8
9
4
7
0
-3
1
-1
1
2
3
Moonrise
1:46
2:44
3:35
4:17
4:51
5:20
5:45
6:08
6:30
6:54
7:22
7:55
Moonset
10:05
10:58
12:00
1:11
2:27
3:45
5:03
6:23
7:43
9:06
10:30
11:52
Sunrise
6:46
6:43
6:41
6:41
6:39
6:37
6:35
6:33
6:31
6:30
6:28
6:26
Sunset
6:55
6:58
6:59
7:00
7:00
7:01
7:02
7:04
7:06
7:07
7:07
7:08
Today's sea temperature in Merrimacport, Merrimack River is 4.0 °C (Statistics for 21 Mar 1981-2005 – mean: 3.5 max: 4.9 min: 2.0°C)
Issued (local time): 1 am Friday 21 Mar 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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