Chatham Sea Conditions and Tide Table

Chatham 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 07:58 AM and sunset is at 03:49 PM.

Days 1–3 Weather Summary

Moderate rain (total 13mm), heaviest on Thu afternoon. Cool air temperatures (max 12°C on Thu afternoon, min 7°C on Fri morning). Winds decreasing (strong winds from the SSW on Thu afternoon, light winds from the SSW by Fri night).

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Sun morning. Cool air temperatures (max 10°C on Sun morning, min 5°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the ENE by Tue night).

Days 7–9 Weather Summary

Mostly dry. Mild temperatures (max 6°C on Wed morning, min 3°C on Wed night). Mainly strong winds.

Days 10–12 Weather Summary

Mostly dry. Mild temperatures (max 5°C on Mon morning, min 2°C on Sat night). Mainly fresh winds.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
11:18AM4.88m
11:43PM5.08m
12:00PM5.02m
00:21AM5.25m
12:40PM5.16m
00:59AM5.38m
1:20PM5.26m
1:36AM5.46m
1:59PM5.33m
2:13AM5.48m
2:40PM5.34m
2:52AM5.46m
3:22PM5.30m
3:33AM5.40m
4:06PM5.20m
4:16AM5.31m
4:53PM5.07m
5:03AM5.21m
5:45PM4.93m
5:56AM5.10m
6:42PM4.82m
6:56AM5.03m
7:45PM4.78m
Low Tide
5:19PM1.03m
5:43AM1.12m
5:57PM0.93m
6:22AM0.95m
6:34PM0.88m
6:59AM0.81m
7:10PM0.87m
7:35AM0.70m
7:47PM0.91m
8:10AM0.63m
8:23PM0.98m
8:48AM0.59m
9:01PM1.09m
9:28AM0.60m
9:42PM1.20m
10:13AM0.65m
10:28PM1.32m
11:04AM0.73m
11:21PM1.43m
12:01PM0.82m
00:21AM1.50m
1:05PM0.87m
1:28AM1.47m
Wave
height (m) 
direction
period (s) 
light rain
mod rain
light rain
part cloud
clear
clear
clear
clear
part cloud
light rain
light rain
cloud
light rain
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
clear
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
light rain
mod rain
light rain
some clouds
clear
clear
clear
clear
some clouds
light rain
light rain
cloudy
light rain
some clouds
clear
clear
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
some clouds
clear
some clouds
clear
cloudy
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
 km/h
25
S
45
SSW
25
SW
20
SW
20
WSW
10
SSW
15
S
15
SSE
15
SE
20
ESE
20
SSE
10
SSE
10
ESE
10
S
5
S
10
ESE
15
E
10
NE
35
ENE
40
ENE
40
NE
40
NE
40
NE
35
ENE
35
ENE
40
ENE
35
ENE
30
ENE
30
ENE
15
ENE
15
E
20
ENE
25
E
25
ENE
25
ENE
20
ENE
 mm 
4
7
2
1
1
1
max°C
11
12
12
9
9
8
9
8
8
10
10
8
8
8
6
7
7
7
6
6
5
4
4
4
4
5
5
4
3
3
4
4
4
5
4
4
Moonrise
7:01
8:05
8:59
9:40
10:10
10:32
10:48
11:02
11:14
11:25
11:38
11:53
Moonset
2:01
2:42
3:37
4:43
5:58
7:15
8:33
9:51
11:09
12:30
1:54
Sunrise
7:58
7:58
7:58
8:00
8:00
8:00
8:00
8:02
8:02
8:02
8:02
8:02
Sunset
3:49
3:49
3:49
3:51
3:51
3:52
3:52
3:52
3:53
3:55
3:56
3:56
Today's sea temperature in Chatham is
8.9° C
(Statistics for 18 Dec 1981-2005 – mean: 9.7 max: 10.9 min: 8.4°C)
Issued (local time): 11 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest