Riverside, Merrimack River Sea Conditions and Tide Table

Riverside, 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 — and sunset is at 05:09 PM.

Days 1–4 Weather Summary

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

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 3°C on Tue morning, min -4°C on Sun night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 6mm) at first, then becoming colder with a dusting of snow on Wed night. Freeze-thaw conditions (max 3°C on Tue afternoon, min -4°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

A moderate fall of snow, heaviest on Sun morning. Freeze-thaw conditions (max 4°C on Mon morning, min -3°C on Fri night). Wind will be generally light.

Wed
11
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
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
night
Wave Height Map
High Tide
8:18PM1.32m
8:45AM1.63m
9:11PM1.29m
9:38AM1.63m
10:04PM1.29m
10:31AM1.66m
10:57PM1.32m
11:22AM1.70m
11:47PM1.38m
12:11PM1.75m
00:35AM1.46m
12:58PM1.79m
1:21AM1.56m
1:44PM1.83m
2:07AM1.66m
2:30PM1.83m
2:53AM1.75m
3:17PM1.82m
3:40AM1.83m
4:05PM1.77m
4:29AM1.88m
4:55PM1.70m
5:20AM1.91m
5:47PM1.62m
6:13AM1.91m
6:41PM1.53m
7:09AM1.89m
Low Tide
3:38PM0.16m
3:46AM0.24m
4:33PM0.15m
4:39AM0.24m
5:25PM0.12m
5:30AM0.21m
6:15PM0.09m
6:18AM0.19m
7:01PM0.06m
7:04AM0.15m
7:44PM0.04m
7:48AM0.12m
8:25PM0.02m
8:31AM0.08m
9:05PM0.01m
9:14AM0.04m
9:43PM0.01m
9:58AM0.01m
10:21PM0.02m
10:45AM-0.01m
11:00PM0.04m
11:38AM-0.01m
11:45PM0.07m
12:36PM0.00m
00:39AM0.11m
1:39PM0.02m
1:43AM0.14m
2:43PM0.02m
Wave
height (m) 
direction
period (s) 
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
cloud
light rain
light snow
snow showers
cloud
part cloud
clear
part cloud
cloud
part cloud
cloud
light snow
mod snow
light snow
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
cloudy
some clouds
clear
clear
clear
clear
clear
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
clear
clear
some clouds
cloudy
light rain
light snow
snow shwrs
cloudy
some clouds
clear
some clouds
cloudy
some clouds
cloudy
light snow
mod snow
light snow
some clouds
some clouds
some clouds
some clouds
clear
some clouds
clear
clear
clear
clear
clear
some clouds
cloudy
 km/h
15
WNW
15
WNW
15
NW
15
NW
10
NW
10
NW
10
WNW
10
WSW
10
WNW
10
NW
10
W
15
NNW
5
E
5
N
5
N
5
WSW
5
SW
5
WNW
5
S
10
SSW
10
SSW
5
E
20
NNE
20
NE
20
NE
15
NNE
15
NE
5
NE
5
N
10
NE
10
ENE
10
ENE
25
E
20
ENE
15
WSW
15
W
25
WNW
25
WNW
25
WNW
20
WNW
20
WNW
25
WNW
25
WNW
20
WNW
25
NW
15
NW
10
NW
 mm 
5
1
max°C
2
-4
0
0
-6
-1
0
-5
2
2
-1
-1
-2
-3
0
1
2
3
3
2
3
3
2
-1
-1
-3
1
2
-1
1
0
0
1
2
2
4
3
-1
-2
-2
-10
-11
-10
-16
-10
-8
-12
Moonrise
3:50
4:39
5:21
5:55
6:23
6:48
7:09
7:30
7:51
8:13
8:40
9:12
9:54
10:47
11:52
Moonset
12:06
1:04
2:09
3:18
4:29
5:40
6:51
8:03
9:16
10:32
11:50
1:08
2:21
3:26
Sunrise
6:45
6:43
6:41
6:41
6:39
6:37
6:37
6:35
6:33
6:31
6:31
6:28
6:26
6:26
6:24
Sunset
5:09
5:12
5:13
5:14
5:15
5:16
5:17
5:19
5:21
5:22
5:22
5:24
5:25
5:27
5:28
5:30
Today's sea temperature in Riverside, Merrimack River is
3.3° C
(Statistics for 11 Feb 1981-2005 – mean: 3.4 max: 4.7 min: 2.1°C)
Issued (local time): 6 pm Wednesday 11 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest