East Harwich Sea Conditions and Tide Table

East 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 04:10 PM.

Days 1–4 Weather Summary

Moderate rain (total 13mm), heaviest on Fri morning. Icy conditions (max 13°C on Fri morning, min -1°C on Fri night). Winds decreasing (gales from the S on Fri morning, light winds from the SW by Sat afternoon).

Days 5–7 Weather Summary

Light rain (total 2mm) at first, then becoming colder with a dusting of snow on Tue afternoon. Icy conditions (max 4°C on Sun afternoon, min -4°C on Mon morning). Winds decreasing (strong winds from the NW on Mon morning, light winds from the WSW by Mon night).

Days 8–10 Weather Summary

Moderate rain (total 18mm), heaviest on Fri morning. Mild temperatures (max 9°C on Thu night, min 1°C on Wed night). Winds decreasing (fresh winds from the SW on Fri morning, light winds from the NW by Fri night).

Days 11–13 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 5°C on Sat afternoon, min 0°C on Sat night). Winds decreasing (fresh winds from the N on Sat night, calm by Sun night).

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
High Tide
10:31PM2.24m
10:29AM2.62m
11:12PM2.27m
11:10AM2.65m
11:52PM2.28m
11:50AM2.65m
00:32AM2.29m
12:30PM2.63m
1:12AM2.29m
1:10PM2.58m
1:51AM2.29m
1:52PM2.52m
2:32AM2.31m
2:36PM2.44m
3:16AM2.35m
3:25PM2.37m
4:03AM2.40m
4:20PM2.31m
4:54AM2.48m
5:20PM2.28m
5:49AM2.57m
6:25PM2.28m
6:48AM2.69m
Low Tide
4:21PM0.44m
4:17AM0.76m
5:01PM0.39m
4:58AM0.74m
5:42PM0.37m
5:39AM0.73m
6:21PM0.38m
6:19AM0.73m
7:00PM0.40m
7:00AM0.74m
7:39PM0.44m
7:43AM0.75m
8:18PM0.48m
8:29AM0.76m
8:59PM0.53m
9:19AM0.75m
9:43PM0.57m
10:14AM0.71m
10:32PM0.60m
11:14AM0.64m
11:26PM0.62m
12:17PM0.54m
00:24AM0.61m
Wave
height (m) 
direction
period (s) 
0.4
SSE
3
0.9
SSE
4
1.4
SE
7
1.6
SE
10
1.4
SE
12
1.1
SE
11
0.6
ESE
10
0.8
ESE
9
1
S
6
0.8
SSW
6
1
NW
4
1.2
NNW
4
1
NNW
4
0.5
NE
7
0.6
WSW
3
0.5
SW
4
0.4
WNW
3
0.6
NW
3
0.7
N
4
0.3
NE
6
0.5
S
3
0.5
SSW
3
0.4
SSW
3
0.7
SSW
3
0.6
SE
10
0.5
SE
10
0.5
E
7
0.7
ENE
6
0.8
NE
7
0.8
NE
7
0.6
ENE
7
0.4
ENE
7
0.4
NE
6
0.3
ESE
4
0.6
NNE
4
0.4
NE
5
clear
rain showers
mod rain
light rain
rain showers
clear
part cloud
part cloud
clear
part cloud
cloud
clear
clear
part cloud
cloud
light snow
clear
clear
clear
part cloud
cloud
light rain
light rain
mod rain
light rain
light rain
part cloud
cloud
part cloud
part cloud
clear
part cloud
cloud
light snow
part cloud
part cloud
clear
rain shwrs
mod rain
light rain
rain shwrs
clear
some clouds
some clouds
clear
some clouds
cloudy
clear
clear
some clouds
cloudy
light snow
clear
clear
clear
some clouds
cloudy
light rain
light rain
mod rain
light rain
light rain
some clouds
cloudy
some clouds
some clouds
clear
some clouds
cloudy
light snow
some clouds
some clouds
 km/h
20
S
35
S
50
SSE
45
SW
50
W
30
WNW
10
SW
35
SSW
35
WSW
30
WNW
40
WNW
45
NW
40
NW
20
WNW
25
WSW
20
WSW
20
WNW
30
NW
30
NNW
10
WSW
25
SSW
25
SW
15
SW
30
SW
25
NNW
10
N
25
NW
25
NNW
25
N
25
N
15
NNE
5
SW
20
S
5
W
25
N
10
WNW
 mm 
1
6
5
1
2
4
4
8
1
1
max°C
8
12
13
11
4
1
2
8
7
4
-1
-2
-2
-1
4
2
1
3
3
2
6
7
9
9
6
5
5
5
2
0
0
0
1
1
2
0
Moonrise
7:02
7:54
8:38
9:14
9:44
10:10
10:32
10:53
11:14
11:36
12:02
12:34
Moonset
3:29
4:24
5:27
6:33
7:41
8:49
9:57
11:06
12:17
1:31
2:49
Sunrise
7:01
7:03
7:03
7:03
7:03
7:05
7:05
7:05
7:05
7:05
7:05
7:05
Sunset
4:10
4:10
4:12
4:12
4:13
4:13
4:14
4:15
4:15
4:15
4:16
4:16
Today's sea temperature in East Harwich is
6.1° C
(Statistics for 18 Dec 1981-2005 – mean: 8.0 max: 10.5 min: 6.2°C)
Issued (local time): 6 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest