Chatham (outer coast) Sea Conditions and Tide Table

Chatham (outer coast) 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 07:03 AM and sunset is at 04:14 PM.

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Wed morning. Icy conditions (max 4°C on Thu morning, min -5°C on Thu night). Winds decreasing (near gales from the NNW on Wed morning, light winds from the NW by Wed night).

Days 4–6 Weather Summary

Moderate rain (total 11mm), heaviest on Mon morning. Icy conditions (max 8°C on Mon morning, min -2°C on Sat morning). Winds increasing (light winds from the W on Sun afternoon, strong winds from the W by Mon night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Wed morning, min -7°C on Wed night). Winds decreasing (near gales from the WNW on Wed afternoon, light winds from the NW by Thu night).

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Fri afternoon. Becoming milder with light rain (total 2mm) on Sun afternoon. Freeze-thaw conditions (max 5°C on Sun night, min -6°C on Fri morning). Mainly strong winds.

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
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
2:24PM2.08m
3:04AM1.88m
3:10PM2.04m
3:49AM1.92m
4:00PM2.00m
4:37AM1.98m
4:54PM1.96m
5:27AM2.06m
5:53PM1.93m
6:21AM2.15m
6:53PM1.92m
7:16AM2.24m
7:55PM1.94m
8:13AM2.34m
8:54PM1.95m
9:08AM2.40m
9:54PM2.00m
10:05AM2.46m
10:51PM2.05m
11:01AM2.50m
11:45PM2.09m
11:55AM2.50m
00:38AM2.12m
Low Tide
8:12AM0.25m
8:44PM-0.00m
8:59AM0.23m
9:29PM0.01m
9:49AM0.21m
10:16PM0.03m
10:44AM0.17m
11:07PM0.05m
11:41AM0.10m
00:00AM0.06m
12:41PM0.02m
00:56AM0.06m
1:41PM-0.08m
1:53AM0.04m
2:41PM-0.19m
2:49AM0.03m
3:37PM-0.26m
3:46AM-0.02m
4:33PM-0.33m
4:41AM-0.06m
5:27PM-0.37m
5:36AM-0.09m
6:19PM-0.37m
6:29AM-0.09m
Wave
height (m) 
direction
period (s) 
1
NNW
4
1.4
ENE
8
1
E
9
1
E
9
0.9
NNE
6
1.3
NNE
8
1.1
NE
8
0.9
NE
8
0.6
ENE
8
0.9
ENE
7
0.8
ENE
7
0.7
ENE
12
0.6
ENE
12
0.5
E
12
0.4
ENE
11
0.9
SSE
4
1
SW
4
1.1
W
4
1.2
W
4
1.1
W
4
0.9
WNW
4
0.9
SW
4
1
WSW
4
1
NW
4
0.7
NNW
3
0.4
NE
7
0.3
NNE
5
0.3
E
11
0.2
E
11
0.2
E
10
1.3
NE
7
0.9
ENE
7
0.7
ENE
7
0.5
E
9
0.7
ESE
5
0.6
ESE
7
light rain
light rain
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
part cloud
light rain
mod rain
part cloud
part cloud
cloud
cloud
part cloud
cloud
clear
part cloud
cloud
part cloud
part cloud
cloud
light snow
snow showers
cloud
cloud
part cloud
cloud
light rain
light rain
light rain
light rain
some clouds
cloudy
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
clear
clear
some clouds
light rain
mod rain
some clouds
some clouds
cloudy
cloudy
some clouds
cloudy
clear
some clouds
cloudy
some clouds
some clouds
cloudy
light snow
snow shwrs
cloudy
cloudy
some clouds
cloudy
light rain
light rain
 km/h
50
NNW
40
NNE
10
NW
35
WSW
35
NW
45
NNW
35
N
25
N
15
N
30
NNE
30
N
25
NNW
20
WNW
15
W
20
SW
40
S
35
WSW
45
W
50
W
45
W
35
W
40
WSW
40
WSW
40
WNW
25
NW
15
WNW
20
WNW
10
NW
10
WSW
15
NW
40
NNE
25
N
10
NE
15
S
30
S
20
WSW
 mm 
2
1
3
8
1
1
max°C
3
3
2
4
4
-1
-4
-3
-1
-2
-2
-1
0
2
5
8
7
2
0
0
0
3
2
-4
-6
-5
-5
-5
-5
-1
-4
-5
-5
-1
2
5
Moonrise
10:10
10:33
10:54
11:15
11:38
12:04
12:36
1:17
2:11
3:18
4:34
5:54
Moonset
8:50
9:58
11:06
12:17
1:31
2:48
4:09
5:28
6:39
7:38
8:23
Sunrise
7:03
7:05
7:05
7:05
7:05
7:05
7:05
7:05
7:05
7:05
7:05
7:05
Sunset
4:14
4:14
4:15
4:15
4:15
4:16
4:17
4:19
4:20
4:21
4:21
4:22
Today's sea temperature in Chatham (outer coast) is
7.0° C
(Statistics for 24 Dec 1981-2005 – mean: 7.4 max: 9.1 min: 6.1°C)
Issued (local time): 6 am Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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