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 07:13 AM and sunset is at 04:15 PM.

Days 1–3 Weather Summary

A dusting of new snow. Icy conditions (max 3°C on Thu morning, min -12°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

A light covering of new snow, mostly falling on Sun night. Becoming milder with light rain (total 2mm) on Mon morning. Icy conditions (max 6°C on Mon afternoon, min -7°C on Sat night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Thu morning, min -10°C on Fri afternoon). Wind will be generally light.

Days 10–12 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 6°C on Mon morning, min -13°C on Fri night). Wind will be generally light.

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
4:07PM2.24m
4:42AM2.01m
4:59PM2.20m
5:33AM2.09m
5:52PM2.14m
6:26AM2.17m
6:48PM2.07m
7:20AM2.26m
7:47PM2.01m
8:17AM2.35m
8:48PM1.97m
9:14AM2.44m
9:45PM1.94m
10:07AM2.50m
10:41PM1.94m
11:02AM2.54m
11:36PM1.95m
11:56AM2.56m
00:31AM1.98m
12:48PM2.55m
1:21AM2.01m
1:38PM2.51m
Low Tide
10:21AM0.30m
11:00PM0.07m
11:16AM0.27m
11:48PM0.07m
12:12PM0.23m
00:38AM0.09m
1:10PM0.17m
1:30AM0.10m
2:11PM0.09m
2:26AM0.10m
3:10PM-0.00m
3:21AM0.09m
4:06PM-0.09m
4:14AM0.08m
5:01PM-0.15m
5:07AM0.05m
5:55PM-0.20m
6:01AM0.03m
6:48PM-0.23m
6:54AM0.01m
7:38PM-0.23m
7:46AM-0.00m
Wave
height (m) 
direction
period (s) 
1.1
E
9
1.1
E
9
1.3
ENE
8
1
E
11
0.8
E
10
0.6
E
10
0.8
E
12
0.7
E
12
0.6
E
12
0.5
E
12
0.4
E
12
0.3
E
12
0.9
SSE
4
0.7
SE
5
1.1
W
4
0.9
W
4
0.9
W
4
0.7
W
4
0.6
N
5
0.5
E
12
0.7
SSW
4
0.7
SSW
4
0.7
SSW
4
0.6
SSW
4
0.8
NW
4
0.9
NNW
4
0.6
NW
4
0.5
NW
3
0.6
NW
3
0.4
NW
3
0.2
E
9
0.2
E
9
0.7
S
3
0.6
S
4
0.5
S
5
part cloud
clear
clear
part cloud
part cloud
light snow
cloud
part cloud
clear
clear
part cloud
light snow
light rain
part cloud
clear
cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
light snow
clear
part cloud
some clouds
clear
clear
some clouds
some clouds
light snow
cloudy
some clouds
clear
clear
some clouds
light snow
light rain
some clouds
clear
cloudy
some clouds
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
clear
clear
clear
clear
clear
clear
some clouds
cloudy
light snow
clear
some clouds
 km/h
15
WSW
25
NW
20
NW
10
NNW
5
N
10
N
10
N
5
NW
10
WNW
10
NW
5
W
5
SSW
5
SSW
20
W
30
W
25
WSW
25
W
20
W
20
W
10
W
15
SW
15
SW
15
SW
15
SW
20
NW
20
NW
15
WNW
15
WNW
15
NW
15
WNW
5
W
5
SSE
10
S
15
WSW
15
W
 mm 
2
max°C
3
0
-9
-8
-7
-7
-5
-4
-5
1
1
2
5
6
-1
-2
-3
-5
-2
-1
-1
3
2
2
-5
-8
-11
-8
-7
-9
-4
-2
1
6
5
Moonrise
10:38
10:59
11:19
11:40
12:06
12:37
1:17
2:10
3:17
4:34
5:54
7:13
Moonset
10:01
11:11
12:22
1:37
2:56
4:18
5:38
6:49
7:47
8:32
9:05
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
4:15
4:15
4:15
4:16
4:16
4:17
4:19
4:20
4:21
4:22
4:22
4:23
Today's sea temperature in Merrimacport, Merrimack River is
6.5° C
(Statistics for 25 Dec 1981-2005 – mean: 6.5 max: 8.0 min: 4.5°C)
Issued (local time): 12 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest