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 07:01 PM.

Days 1–4 Weather Summary

Light rain (total 9mm), mostly falling on Fri night. Icy conditions (max 11°C on Fri afternoon, min -1°C on Wed night). Wind will be generally light.

Days 5–7 Weather Summary

A light fall of snow, heaviest on Sat night. Turning milder with light rain (total 2mm) on Mon morning. Icy conditions (max 6°C on Mon afternoon, min -5°C on Tue morning). Wind will be generally light.

Days 8–10 Weather Summary

A dusting of snow turning to light rain (total 8mm) on Fri morning. Freeze-thaw conditions (max 8°C on Fri afternoon, min -5°C on Wed morning). Wind will be generally light.

Days 11–13 Weather Summary

Moderate rain (total 14mm), heaviest on Sat night. Very mild (max 11°C on Sun afternoon, min 1°C on Fri night). Wind will be generally light.

Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Mon
7
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
11:44PM1.56m
12:10PM1.83m
00:37AM1.68m
1:03PM1.85m
1:27AM1.81m
1:54PM1.87m
2:16AM1.94m
2:43PM1.85m
3:05AM2.03m
3:32PM1.81m
3:55AM2.08m
4:22PM1.75m
4:45AM2.08m
5:13PM1.67m
5:36AM2.04m
6:05PM1.58m
6:29AM1.96m
6:58PM1.51m
7:24AM1.87m
7:52PM1.44m
8:19AM1.77m
8:48PM1.40m
9:16AM1.69m
Low Tide
6:47PM0.07m
6:58AM0.11m
7:33PM0.02m
7:48AM0.01m
8:18PM-0.02m
8:39AM-0.08m
9:02PM-0.04m
9:29AM-0.15m
9:46PM-0.05m
10:20AM-0.19m
10:32PM-0.03m
11:12AM-0.19m
11:20PM-0.00m
12:06PM-0.15m
00:11AM0.05m
1:02PM-0.09m
1:08AM0.10m
2:01PM-0.02m
2:09AM0.15m
3:02PM0.03m
3:13AM0.17m
4:02PM0.06m
4:15AM0.17m
4:59PM0.07m
Wave
height (m) 
direction
period (s) 
part cloud
clear
part cloud
part cloud
part cloud
cloud
mod rain
light rain
cloud
light snow
light snow
light snow
light snow
light rain
rain showers
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light snow
light rain
cloud
clear
clear
light rain
heavy rain
part cloud
part cloud
part cloud
light rain
part cloud
some clouds
clear
some clouds
some clouds
some clouds
cloudy
mod rain
light rain
cloudy
light snow
light snow
light snow
light snow
light rain
rain shwrs
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
light rain
light rain
light snow
light rain
cloudy
clear
clear
light rain
heavy rain
some clouds
some clouds
some clouds
light rain
some clouds
 km/h
15
W
20
NW
15
NW
10
SSW
20
WNW
15
W
10
E
15
NE
15
NE
5
NE
10
E
15
ENE
10
NE
5
ESE
15
NW
10
NNW
10
NNE
15
NNE
10
N
10
ENE
15
ESE
10
SSE
10
E
15
NE
25
NNE
25
N
15
NNW
5
NW
5
SSE
15
SE
10
SE
10
N
5
ENE
5
SSE
5
NNW
25
NW
 mm 
8
1.0
1.0
1.0
1.0
1.0
2.0
4
2.0
11
1.0
max°C
6
4
7
6
6
11
9
3
1
0
0
0
1
3
6
2
-2
2
0
0
2
2
3
4
3
4
8
4
6
9
4
7
11
6
6
10
Moonrise
5:20
5:45
6:08
6:30
6:54
7:22
7:56
8:38
9:31
10:33
11:43
12:54
2:03
Moonset
3:45
5:04
6:23
7:44
9:06
10:30
11:52
1:08
2:12
3:02
3:41
4:11
Sunrise
6:35
6:33
6:31
6:30
6:28
6:26
6:24
6:22
6:22
6:20
6:18
6:16
Sunset
7:01
7:04
7:05
7:06
7:07
7:07
7:08
7:10
7:12
7:13
7:14
7:15
7:15
Today's sea temperature in Riverside, Merrimack River is 3.9 °C (Statistics for 26 Mar 1981-2005 – mean: 3.8 max: 5.1 min: 2.5°C)
Issued (local time): 7 pm Wednesday 26 Mar 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest