Merrimack River Entrance Sea Conditions and Tide Table

Merrimack River Entrance 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 08:20 PM.

Days 1–4 Weather Summary

Light rain (total 5mm), mostly falling on Wed night. Very warm air temperatures (max 30°C on Wed afternoon, min 17°C on Thu night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 2mm), mostly falling on Fri night. Very warm air temperatures (max 30°C on Sun afternoon, min 14°C on Sun night). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 19mm), heaviest on Tue morning. Very mild (max 18°C on Mon night, min 12°C on Tue afternoon). Wind will be generally light.

Days 11–13 Weather Summary

Moderate rain (total 12mm), heaviest on Thu night. Very mild (max 15°C on Sun afternoon, min 11°C on Sat night). Wind will be generally light.

Days 14–17 Weather Summary

Heavy rain (total 122mm), heaviest during Wed night. Warm (max 24°C on Tue afternoon, min 13°C on Tue night). Mainly fresh winds.

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
Thu
25
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
AM
Wave Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
High Tide
Low Tide
Wave
Height (m)
Direction
Period (s)
0.5
SSE
5
0.3
SE
5
0.4
SSE
4
0.4
SSE
5
0.3
SE
6
0.3
SE
7
0.2
ESE
9
0.3
ESE
8
0.3
ESE
8
0.4
ESE
9
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.5
E
6
0.4
ESE
6
0.4
ESE
7
0.5
E
7
0.5
E
7
1
ESE
4
1.4
ESE
6
1.1
ESE
7
0.9
ESE
7
0.8
E
7
0.7
E
7
0.6
E
6
0.6
E
6
0.6
ESE
5
0.8
ESE
4
1.1
E
5
1.2
E
6
1.2
E
6
1.3
E
7
1.3
E
8
1.2
E
9
1.2
E
9
1
E
9
0.8
E
9
0.8
E
9
0.7
E
8
0.5
E
8
0.5
E
8
0.4
E
8
1
ESE
4
2.2
ESE
6
2
ESE
7
1.5
ESE
6
part cloud
part cloud
cloud
light rain
cloud
thunderstorm
part cloud
part cloud
part cloud
rain showers
light rain
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
light rain
mod rain
light rain
cloud
cloud
cloud
part cloud
cloud
mod rain
mod rain
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
mod rain
heavy rain
heavy rain
heavy rain
heavy rain
some clouds
some clouds
cloudy
light rain
cloudy
risk tstorm
some clouds
some clouds
some clouds
rain shwrs
light rain
some clouds
clear
some clouds
some clouds
clear
clear
some clouds
light rain
mod rain
light rain
cloudy
cloudy
cloudy
some clouds
cloudy
mod rain
mod rain
light rain
light rain
light rain
light rain
cloudy
cloudy
some clouds
some clouds
clear
clear
clear
clear
some clouds
cloudy
mod rain
heavy rain
heavy rain
heavy rain
heavy rain
km/h
15
SW
10
SW
15
SSW
15
SSW
10
NNE
5
ESE
5
ESE
10
ESE
15
ESE
10
SE
10
NNE
10
SE
10
SW
15
SW
20
WNW
10
W
15
NW
15
SSE
15
S
25
E
20
ENE
10
NNW
5
E
15
SE
10
SSW
15
SE
15
ESE
15
ESE
20
ENE
25
ENE
20
NE
20
NE
20
NE
10
NNE
15
ENE
10
ESE
10
WSW
10
ENE
20
SSE
15
WSW
10
SW
10
SSW
0
NNW
30
E
40
E
30
E
20
E
4
1
1
1
2
8
3
6
6
1
2
2
1
9
30
22
35
24
max °C
27
27
30
23
22
21
18
18
18
16
17
20
19
28
30
24
19
22
18
13
13
12
16
17
16
17
15
13
13
13
12
12
12
12
14
15
14
19
21
20
21
24
16
13
14
15
15
Moonrise
1:39
2:03
2:32
3:10
3:59
5:02
6:18
7:39
8:59
10:16
11:28
12:36
1:42
2:47
3:53
Moonset
3:15
4:32
5:54
7:16
8:32
9:36
10:25
11:03
11:32
11:56
12:16
12:36
12:56
1:17
1:41
Sunrise
5:03
5:03
5:03
5:03
5:03
5:03
5:03
5:03
5:03
5:03
5:03
5:03
5:03
5:05
5:05
5:05
Sunset
8:20
8:20
8:21
8:21
8:22
8:22
8:22
8:22
8:23
8:23
8:23
8:23
8:24
8:24
8:24
8:24
Today's sea temperature in Merrimack River Entrance is
14.4° C
(Statistics for 09 Jun 1981-2005 – mean: 13.0 max: 15.3 min: 11.4°C)
Issued (local time): 7 pm Tuesday 09 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest