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 04:35 AM and sunset is at 09:17 PM.

Days 1–3 Weather Summary

Moderate rain (total 15mm), heaviest on Wed night. Warm air temperatures (max 23°C on Tue afternoon, min 12°C on Mon night). Mainly fresh winds.

Days 4–6 Weather Summary

Light rain (total 5mm), mostly falling on Thu morning. Warm air temperatures (max 26°C on Sat afternoon, min 13°C on Thu night). Mainly fresh winds.

Days 7–9 Weather Summary

Some drizzle, heaviest during Tue night. Warm (max 27°C on Tue afternoon, min 15°C on Sun afternoon). Mainly fresh winds.

Days 10–12 Weather Summary

Some drizzle, heaviest during Fri afternoon. Warm (max 24°C on Wed afternoon, min 14°C on Fri night). Wind will be generally light.

Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
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
10:23AM3.70m
10:46PM3.77m
11:21AM3.74m
11:46PM3.86m
12:13PM3.79m
00:40AM3.92m
1:01PM3.83m
1:30AM3.96m
1:47PM3.87m
2:18AM3.96m
2:31PM3.89m
3:04AM3.91m
3:13PM3.88m
3:48AM3.81m
3:54PM3.83m
4:32AM3.69m
4:36PM3.74m
5:17AM3.56m
5:20PM3.63m
6:04AM3.44m
6:08PM3.50m
6:57AM3.35m
7:04PM3.36m
Low Tide
4:17PM0.82m
4:48AM0.59m
5:12PM0.70m
5:40AM0.66m
6:06PM0.58m
6:30AM0.73m
6:58PM0.46m
7:17AM0.80m
7:48PM0.38m
8:03AM0.86m
8:36PM0.35m
8:47AM0.94m
9:24PM0.38m
9:30AM1.02m
10:11PM0.47m
10:12AM1.11m
10:59PM0.60m
10:58AM1.19m
11:50PM0.75m
11:51AM1.27m
00:47AM0.88m
12:55PM1.32m
1:47AM0.98m
Wave
height (m) 
direction
period (s) 
0.6
WSW
3.0
0.5
WSW
3.0
0.4
SW
3.0
0.6
SSW
4.0
0.6
SW
3.0
0.5
SSW
4.0
0.2
SSW
3.0
0.6
S
4.0
0.5
S
3.0
0.4
SE
3.0
0.7
SSW
4.0
0.5
SW
3.0
0.6
SSW
4.0
0.9
S
4.0
0.6
SSW
4.0
0.5
S
4.0
0.3
SSW
3.0
0.2
S
4.0
0.3
NE
3.0
0.3
ENE
3.0
0.4
E
3.0
0.3
E
3.0
0.2
E
3.0
0.3
ESE
3.0
0.4
ESE
4.0
0.4
ESE
3.0
0.9
ESE
4.0
0.5
ESE
4.0
0.4
SSW
3.0
0.4
SSE
3.0
0.2
E
4.0
0.2
ESE
3.0
0.2
E
3.0
0.3
WSW
2.0
0.4
SSW
3.0
0.5
S
4.0
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
rain showers
rain showers
thunderstorm
cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
part cloud
clear
part cloud
cloud
part cloud
part cloud
rain showers
part cloud
clear
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
rain shwrs
rain shwrs
risk tstorm
cloudy
some clouds
clear
clear
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
rain shwrs
clear
some clouds
clear
some clouds
cloudy
some clouds
some clouds
rain shwrs
some clouds
 km/h
30
WNW
25
W
20
W
25
SW
30
WSW
20
WSW
15
SW
25
SSE
20
S
20
WSW
30
SW
25
W
25
SW
35
SW
20
SW
20
WSW
20
WSW
15
NNW
15
ENE
15
ESE
15
SE
10
S
15
SE
15
ESE
15
SE
20
ESE
30
SSE
25
WNW
20
SSW
20
NW
10
SSW
15
SE
10
WSW
20
WSW
20
SW
20
NNW
 mm 
15
3
2
1
1
max°C
20
22
19
19
23
21
21
22
21
18
23
19
22
25
22
24
26
22
17
16
16
21
23
24
25
27
23
23
24
22
19
20
20
22
23
21
Moonrise
2:10
2:48
3:44
4:59
6:24
7:51
9:14
10:32
11:46
12:58
2:10
3:22
Moonset
7:54
9:13
10:12
10:52
11:17
11:35
11:48
11:59
12:09
12:18
12:28
Sunrise
4:35
4:35
4:35
4:35
4:35
4:37
4:37
4:37
4:37
4:39
4:39
4:41
Sunset
9:17
9:17
9:17
9:17
9:17
9:17
9:17
9:16
9:16
9:16
9:15
9:15
Today's sea temperature in Harwich is 17.9 °C (Statistics for 23 Jun 1981-2005 – mean: 13.8 max: 14.8 min: 12.2°C)
Issued (local time): 12 pm Monday 23 Jun 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest