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 08:21 PM.

Days 1–4 Weather Summary

Light rain (total 8mm), mostly falling on Wed night. Very warm air temperatures (max 31°C on Wed afternoon, min 17°C on Thu night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 4mm), mostly falling on Fri night. Warm air temperatures (max 29°C on Sat afternoon, min 14°C on Sun night). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 33mm), heaviest during Mon night. Warm (max 26°C on Wed afternoon, min 11°C on Tue night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 3mm), mostly falling on Thu afternoon. Warm (max 22°C on Thu afternoon, min 14°C on Sat night). Wind will be generally light.

Days 14–17 Weather Summary

Light rain (total 6mm), mostly falling on Tue morning. Warm (max 27°C on Wed afternoon, min 14°C on Mon night). Wind will be generally light.

Tue
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
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
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High Tide
9:02PM1.74m
9:25AM1.68m
9:54PM1.82m
10:20AM1.64m
10:47PM1.91m
11:15AM1.61m
11:40PM2.00m
12:09PM1.60m
00:34AM2.08m
1:03PM1.59m
1:26AM2.13m
1:56PM1.60m
2:19AM2.16m
2:47PM1.61m
3:11AM2.15m
3:39PM1.62m
4:02AM2.10m
4:31PM1.64m
4:54AM2.02m
5:23PM1.65m
5:46AM1.92m
6:16PM1.66m
6:38AM1.81m
7:08PM1.67m
7:30AM1.70m
8:00PM1.69m
8:22AM1.59m
Low Tide
3:51PM0.21m
4:23AM0.23m
4:40PM0.20m
5:20AM0.15m
5:29PM0.19m
6:15AM0.07m
6:18PM0.17m
7:09AM-0.01m
7:08PM0.14m
8:02AM-0.07m
8:00PM0.11m
8:55AM-0.12m
8:53PM0.08m
9:48AM-0.14m
9:47PM0.06m
10:39AM-0.14m
10:41PM0.05m
11:31AM-0.12m
11:37PM0.05m
12:21PM-0.09m
00:33AM0.07m
1:13PM-0.05m
1:31AM0.09m
2:05PM0.00m
2:31AM0.12m
2:58PM0.05m
3:30AM0.13m
3:50PM0.10m
Wave
Height (m)
Direction
Period (s)
clear
clear
part cloud
part cloud
mod rain
cloud
thunderstorm
rain showers
part cloud
part cloud
light rain
rain showers
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
heavy rain
heavy rain
cloud
part cloud
clear
part cloud
part cloud
cloud
thunderstorm
clear
part cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
light rain
light rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
clear
clear
some clouds
some clouds
mod rain
cloudy
risk tstorm
rain shwrs
some clouds
some clouds
light rain
rain shwrs
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
heavy rain
heavy rain
cloudy
some clouds
clear
some clouds
some clouds
cloudy
risk tstorm
clear
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
light rain
light rain
light rain
light rain
some clouds
some clouds
some clouds
some clouds
km/h
10
W
10
SW
15
SW
20
SW
10
SW
5
N
5
E
5
E
10
E
10
ESE
5
SE
5
NNW
5
NNW
10
W
20
W
20
W
10
WNW
15
NW
5
WNW
5
S
15
NE
10
NE
0
NNW
15
WSW
10
S
10
SW
15
SW
15
WNW
10
W
15
SSW
25
SW
20
W
25
NW
25
NW
15
NNW
10
ENE
10
SSE
10
SW
0
SW
5
SE
5
SSE
5
ESE
5
SSE
5
WSW
5
W
10
SSE
5
S
6
1
1
3
1
14
19
3
2
1
2
1
max °C
30
27
28
31
22
23
26
20
21
23
18
23
29
22
25
29
24
18
23
17
13
14
13
22
26
22
21
22
20
22
20
20
19
20
16
18
19
16
15
15
15
15
15
16
24
27
23
Moonrise
1:40
2:04
2:34
3:11
4:00
5:04
6:19
7:40
9:01
10:17
11:29
12:37
1:43
2:48
3:54
Moonset
3:16
4:33
5:55
7:17
8:33
9:37
10:26
11:04
11:33
11:57
12:18
12:37
12:57
1:18
Sunrise
5:05
5:05
5:05
5:05
5:05
5:05
5:05
5:05
5:05
5:05
5:05
5:05
5:05
5:05
5:05
Sunset
8:21
8:21
8:22
8:22
8:22
8:22
8:23
8:23
8:23
8:24
8:24
8:24
8:25
8:25
8:25
8:25
Today's sea temperature in Riverside, Merrimack River is
14.8° C
(Statistics for 09 Jun 1981-2005 – mean: 13.2 max: 15.5 min: 11.5°C)
Issued (local time): 1 pm Tuesday 09 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest