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 06:45 AM and sunset is at 05:10 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 2°C on Sat afternoon, min -9°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 4°C on Tue afternoon, min -5°C on Sun morning). Wind will be generally light.

Days 7–9 Weather Summary

Mild at first with light rain (total 3mm) on Wed afternoon followed by colder weather and light fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 4°C on Wed morning, min -7°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Sun afternoon. Temperatures will be below freezing (max 0°C on Sat afternoon, min -10°C on Mon night). Wind will be generally light.

Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Fri
27
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
PM
Wave Height Map
High Tide
8:13AM2.03m
8:44PM1.65m
9:07AM2.05m
9:37PM1.67m
9:58AM2.10m
10:26PM1.72m
10:45AM2.15m
11:12PM1.79m
11:31AM2.21m
11:58PM1.89m
12:17PM2.27m
00:43AM2.00m
1:01PM2.30m
1:26AM2.11m
1:45PM2.32m
2:09AM2.21m
2:30PM2.29m
2:55AM2.29m
3:18PM2.23m
3:44AM2.34m
4:10PM2.14m
4:36AM2.36m
5:05PM2.04m
5:31AM2.36m
6:03PM1.94m
6:29AM2.33m
7:03PM1.85m
7:30AM2.31m
Low Tide
3:12PM0.25m
3:21AM0.35m
4:04PM0.21m
4:11AM0.32m
4:52PM0.17m
4:59AM0.27m
5:39PM0.12m
5:46AM0.22m
6:23PM0.06m
6:32AM0.16m
7:06PM0.01m
7:16AM0.09m
7:46PM-0.02m
8:00AM0.04m
8:27PM-0.04m
8:45AM-0.00m
9:09PM-0.02m
9:35AM-0.02m
9:55PM0.01m
10:29AM-0.02m
10:45PM0.06m
11:26AM-0.01m
11:39PM0.12m
12:25PM0.01m
00:37AM0.17m
1:26PM0.03m
1:39AM0.20m
2:29PM0.02m
Wave
height (m) 
direction
period (s) 
0.6
NNW
3
0.6
NNE
6
0.6
NE
6
0.3
ENE
7
0.3
ENE
7
0.3
N
3
0.2
ESE
9
0.2
ESE
9
0.4
NW
2
0.5
N
3
0.5
NE
6
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.4
SSE
4
0.3
ESE
8
0.4
ESE
8
0.4
E
8
0.5
E
8
0.5
E
7
0.9
NE
6
1
NE
7
1.1
NE
6
0.7
NE
6
0.9
ESE
4
0.9
ESE
5
1.3
E
6
0.9
E
6
0.7
E
6
0.8
ENE
4
1.3
ENE
5
1.1
E
6
1.2
E
9
1.1
E
10
1.1
NW
4
0.6
NW
4
0.6
NW
3
0.6
NE
6
0.3
NE
6
0.3
NE
5
0.1
NE
6
0.3
NNE
3
0.4
NE
4
0.8
NE
5
0.6
NE
5
0.6
ENE
6
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
rain showers
clear
part cloud
part cloud
mod snow
light snow
light snow
cloud
part cloud
cloud
light snow
light snow
snow showers
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
cloudy
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
light rain
rain shwrs
clear
some clouds
some clouds
mod snow
light snow
light snow
cloudy
some clouds
cloudy
light snow
light snow
snow shwrs
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
 km/h
15
NW
15
NW
10
NW
10
NW
10
WNW
5
WSW
10
WNW
10
WNW
10
WNW
10
NNE
0
ESE
5
NNW
0
WSW
5
S
10
S
10
SW
5
SSW
5
SW
10
SW
5
SSE
15
NNW
15
NW
15
NW
5
NE
15
SE
15
SE
15
NNE
10
N
10
NW
5
NNE
15
NE
20
N
25
WNW
25
W
20
WNW
25
WNW
20
NW
20
NW
5
NW
5
WNW
5
W
5
WNW
10
NW
10
NW
5
N
10
E
10
ESE
 mm 
2
1
max°C
0
0
-6
-1
0
-4
0
2
-1
-3
-2
-3
1
1
0
3
4
3
4
3
3
0
-3
-6
-4
-2
-1
-1
0
-4
-3
-4
-5
-5
-5
-8
-7
-7
-10
-6
-3
-3
-1
-1
-3
-3
-3
Moonrise
3:50
4:39
5:21
5:55
6:23
6:48
7:09
7:30
7:50
8:13
8:39
9:12
9:53
10:47
11:52
1:06
Moonset
12:06
1:04
2:09
3:18
4:29
5:40
6:51
8:03
9:16
10:31
11:50
1:08
2:21
3:26
4:18
Sunrise
6:45
6:43
6:41
6:41
6:39
6:37
6:35
6:35
6:33
6:31
6:30
6:28
6:26
6:26
6:24
6:22
Sunset
5:10
5:12
5:14
5:15
5:15
5:17
5:19
5:20
5:22
5:22
5:23
5:24
5:27
5:28
5:29
5:30
Today's sea temperature in Merrimacport, Merrimack River is
3.3° C
(Statistics for 12 Feb 1981-2005 – mean: 3.4 max: 4.7 min: 2.1°C)
Issued (local time): 6 am Thursday 12 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest