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 06:58 AM and sunset is at 04:15 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Fri morning, min 9°C on Sat night). Mainly fresh winds.

Days 4–6 Weather Summary

Light rain (total 8mm), mostly falling on Mon afternoon. Cool air temperatures (max 14°C on Wed afternoon, min 10°C on Mon night). Mainly fresh winds.

Days 7–9 Weather Summary

Some drizzle, heaviest during Thu night. Very mild (max 15°C on Fri morning, min 9°C on Sat night). Winds decreasing (fresh winds from the SSW on Thu morning, calm by Sat night).

Days 10–12 Weather Summary

Moderate rain (total 13mm), heaviest on Sun night. Very mild (max 13°C on Mon morning, min 10°C on Sun morning). Mainly fresh winds.

Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
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
12:23PM4.32m
00:48AM4.14m
1:09PM4.25m
1:31AM4.00m
1:57PM4.10m
2:14AM3.82m
2:47PM3.89m
3:00AM3.64m
3:42PM3.68m
3:51AM3.47m
4:46PM3.49m
4:53AM3.34m
6:00PM3.41m
6:10AM3.30m
7:16PM3.47m
7:31AM3.40m
8:21PM3.61m
8:38AM3.57m
9:15PM3.76m
9:31AM3.72m
10:01PM3.86m
10:17AM3.81m
10:41PM3.90m
Low Tide
6:20PM0.38m
6:40AM0.46m
7:05PM0.58m
7:26AM0.53m
7:50PM0.83m
8:14AM0.65m
8:37PM1.10m
9:10AM0.79m
9:33PM1.34m
10:24AM0.90m
10:47PM1.51m
11:44AM0.92m
00:05AM1.54m
12:52PM0.87m
1:10AM1.47m
1:54PM0.78m
2:09AM1.34m
2:49PM0.72m
3:02AM1.19m
3:37PM0.70m
3:47AM1.06m
4:16PM0.72m
4:26AM0.94m
Wave
height (m) 
direction
period (s) 
0.3
SSE
3.0
0.5
SSE
4.0
0.5
S
4.0
0.4
SSE
4.0
0.2
SSE
3.0
0.2
WSW
2.0
0.2
SSW
2.0
0.2
SSW
3.0
0.7
S
4.0
1
S
5.0
0.9
SSE
5.0
0.6
S
4.0
0.7
S
4.0
1
S
5.0
1.1
SSE
5.0
1.1
SSE
5.0
1
SSE
5.0
1
SSE
5.0
0.9
SSE
5.0
1
S
5.0
0.4
SSE
4.0
0.4
SE
3.0
0.4
SSE
4.0
0.5
SSE
3.0
0.6
S
4.0
0.4
SSW
3.0
0.4
NE
9.0
0.4
NE
7.0
0.6
SE
3.0
1.4
SE
6.0
0.9
SSE
5.0
0.9
SSE
4.0
0.7
SSE
4.0
0.7
SE
4.0
0.7
SE
4.0
0.4
SSE
4.0
part cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
light rain
light rain
rain showers
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
part cloud
rain showers
cloud
cloud
cloud
part cloud
cloud
part cloud
cloud
cloud
mod rain
rain showers
part cloud
part cloud
light rain
rain showers
part cloud
some clouds
cloudy
some clouds
cloudy
some clouds
clear
clear
clear
some clouds
light rain
light rain
rain shwrs
some clouds
some clouds
some clouds
cloudy
some clouds
clear
clear
some clouds
rain shwrs
cloudy
cloudy
cloudy
some clouds
cloudy
some clouds
cloudy
cloudy
mod rain
rain shwrs
some clouds
some clouds
light rain
rain shwrs
some clouds
 km/h
15
SSE
20
S
20
SSE
15
SW
10
W
15
W
15
WSW
15
SSW
25
S
30
S
30
SSW
20
WSW
25
SSW
30
SSW
35
S
30
S
30
S
30
SSW
25
S
25
SSW
15
SSW
15
SSE
10
S
20
SSW
25
WSW
15
WNW
10
W
10
E
25
ESE
35
SE
30
SSW
25
S
20
SSE
20
S
20
SSE
15
SSW
 mm 
3
4
1
1
8
2
1
2
max°C
14
14
14
14
14
12
12
13
12
12
12
12
13
12
12
13
14
14
14
14
14
15
15
14
14
13
11
11
12
12
13
13
13
13
12
11
Moonrise
4:56
5:57
7:15
8:41
10:06
11:27
12:44
1:57
3:09
4:21
5:34
Moonset
10:08
11:25
12:20
12:56
1:20
1:36
1:49
1:59
2:09
2:18
2:29
2:42
Sunrise
6:58
7:01
7:03
7:05
7:07
7:07
7:09
7:11
7:13
7:15
7:16
7:18
Sunset
4:15
4:14
4:12
4:10
4:08
4:07
4:06
4:05
4:02
4:01
4:00
3:59
Today's sea temperature in Harwich is 12.5 °C (Statistics for 07 Nov 1981-2005 – mean: 13.0 max: 14.6 min: 11.5°C)
Issued (local time): 11 am Friday 07 Nov 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest