Harwich Sea Conditions and Tide Table

Harwich 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 06:16 PM.

Days 1–4 Weather Summary

Light rain (total 3mm), mostly falling on Fri afternoon. Low air temperatures (max 9°C on Fri afternoon, min 3°C on Fri night). Winds increasing (calm on Thu night, fresh winds from the NW by Sat morning).

Days 5–7 Weather Summary

Light rain (total 2mm), mostly falling on Sun night. Cool air temperatures (max 13°C on Tue morning, min 6°C on Mon night). Winds decreasing (fresh winds from the WSW on Sun night, light winds from the W by Tue night).

Days 8–10 Weather Summary

Mostly dry. Very mild (max 13°C on Wed afternoon, min 3°C on Thu night). Winds decreasing (strong winds from the N on Wed night, light winds from the NNE by Fri night).

Days 11–13 Weather Summary

Mostly dry. Very mild (max 13°C on Mon afternoon, min 6°C on Sat afternoon). Mainly fresh winds.

Thu
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
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
4:54PM3.17m
5:46AM3.29m
6:14PM3.02m
7:32AM3.28m
8:05PM3.12m
8:54AM3.52m
9:15PM3.42m
9:50AM3.78m
10:07PM3.71m
10:36AM3.96m
10:51PM3.93m
11:17AM4.04m
11:30PM4.06m
11:55AM4.07m
00:07AM4.13m
12:30PM4.04m
00:43AM4.12m
1:04PM3.98m
1:17AM4.05m
1:36PM3.87m
1:49AM3.92m
2:06PM3.75m
2:22AM3.74m
2:36PM3.60m
2:55AM3.55m
3:08PM3.46m
3:34AM3.35m
3:46PM3.29m
Low Tide
11:24PM1.03m
12:19PM1.30m
1:07AM0.95m
1:40PM1.27m
2:20AM0.74m
2:45PM1.15m
3:21AM0.52m
3:38PM1.00m
4:11AM0.35m
4:22PM0.87m
4:53AM0.26m
5:00PM0.74m
5:30AM0.24m
5:36PM0.63m
6:05AM0.26m
6:12PM0.53m
6:38AM0.33m
6:46PM0.49m
7:10AM0.44m
7:19PM0.51m
7:39AM0.59m
7:51PM0.59m
8:08AM0.76m
8:23PM0.72m
8:37AM0.92m
8:57PM0.88m
9:12AM1.10m
9:38PM1.06m
Wave
height (m) 
direction
period (s) 
0.6
NE
13
0.4
NE
13
0.8
SSW
4
0.7
S
4
0.4
S
4
0.4
WNW
3
0.4
WNW
3
0.4
NW
3
0.2
NNE
3
0.5
SW
3
0.9
SW
4
0.5
W
3
0.6
NW
3
0.4
WNW
3
0.4
WSW
3
0.4
NW
2
0.1
NE
10
0.2
NNE
3
0.3
SW
2
0.3
WSW
2
1.3
NE
8
1.1
NE
6
0.8
NE
9
0.6
NE
9
0.6
NE
8
0.4
NE
7
0.4
NE
7
0.4
NE
7
0.6
ESE
3
1
ESE
5
0.8
ESE
5
0.9
ESE
4
0.9
SE
5
0.8
SE
4
0.9
SE
4
1.2
ESE
5
0.9
E
6
0.9
ENE
5
1.2
E
6
1
E
6
1.1
ENE
6
0.9
ENE
5
0.8
ENE
5
0.7
ENE
5
0.4
ENE
5
0.4
NE
4
0.3
ENE
4
part cloud
part cloud
cloud
light rain
rain showers
part cloud
part cloud
clear
part cloud
cloud
rain showers
part cloud
part cloud
part cloud
cloud
rain showers
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
some clouds
some clouds
cloudy
light rain
rain shwrs
some clouds
some clouds
clear
some clouds
cloudy
rain shwrs
some clouds
some clouds
some clouds
cloudy
rain shwrs
clear
clear
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
some clouds
clear
clear
some clouds
clear
some clouds
 km/h
25
NNW
15
WSW
25
SW
20
SW
25
NW
30
NW
30
NW
25
NW
15
WNW
30
WSW
35
WSW
35
WNW
30
NW
25
WNW
25
WNW
25
NW
15
WNW
15
W
15
W
20
WNW
40
NNE
40
N
15
NNW
20
N
15
NE
15
N
15
ENE
15
ESE
20
SE
30
SE
25
ESE
25
SE
25
SSE
25
SE
30
SE
30
ESE
20
E
25
E
30
E
30
ENE
25
NE
25
NE
25
NE
15
NNE
20
NE
15
ENE
10
NNE
 mm 
2
1
1
1
max°C
7
7
7
9
8
8
9
5
7
9
8
10
10
8
13
13
13
12
13
12
7
7
4
7
7
4
6
6
7
7
10
11
10
13
13
10
14
14
7
9
9
10
11
9
11
11
10
Moonrise
11:24
12:50
3:14
4:35
5:53
7:09
8:24
9:40
10:56
12:10
1:20
2:19
3:06
3:41
Moonset
3:47
4:12
5:30
5:43
5:54
6:05
6:15
6:27
6:41
6:59
7:23
7:57
8:44
9:43
10:53
Sunrise
5:41
5:39
6:35
5:33
5:31
5:28
5:26
5:24
5:22
5:20
5:18
5:16
5:13
5:11
5:09
Sunset
6:16
6:19
6:21
7:22
6:23
6:25
6:28
6:29
6:30
6:32
6:35
6:36
6:37
6:39
6:40
6:43
Today's sea temperature in Harwich is
9.0° C
(Statistics for 26 Mar 1981-2005 – mean: 7.9 max: 9.3 min: 5.8°C)
Issued (local time): 5 pm Thursday 26 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest