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 06:52 AM and sunset is at 04:08 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 7°C on Tue night, min -4°C on Mon morning). Winds decreasing (strong winds from the NW on Sun night, light winds from the SSW by Tue morning).

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Wed night. Icy conditions (max 10°C on Wed afternoon, min -1°C on Fri night). Winds decreasing (strong winds from the SW on Wed night, light winds from the WSW by Fri morning).

Days 7–9 Weather Summary

Mostly dry. Temperatures will be below freezing (max 0°C on Sun afternoon, min -4°C on Sat afternoon). Winds decreasing (strong winds from the WNW on Sat afternoon, light winds from the WNW by Sun night).

Days 10–12 Weather Summary

Drizzle at first, then turning colder with dusting of snow on Thu night. Freeze-thaw conditions (max 9°C on Thu morning, min -3°C on Fri morning). Winds increasing (light winds from the W on Tue afternoon, near gales from the SW by Wed night).

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
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
1:01PM2.53m
1:47AM2.10m
1:56PM2.43m
2:43AM2.05m
2:53PM2.30m
3:40AM2.00m
3:52PM2.15m
4:38AM1.97m
4:53PM2.02m
5:36AM1.95m
5:55PM1.92m
6:32AM1.96m
6:56PM1.84m
7:25AM1.98m
7:54PM1.80m
8:14AM2.00m
8:48PM1.79m
9:00AM2.03m
9:37PM1.79m
9:43AM2.06m
10:21PM1.80m
10:24AM2.08m
11:04PM1.81m
Low Tide
7:26PM-0.36m
7:37AM-0.02m
8:20PM-0.26m
8:33AM0.07m
9:14PM-0.14m
9:31AM0.15m
10:09PM-0.02m
10:31AM0.22m
11:05PM0.09m
11:34AM0.27m
00:01AM0.18m
12:37PM0.27m
00:55AM0.25m
1:37PM0.24m
1:47AM0.29m
2:31PM0.20m
2:35AM0.31m
3:20PM0.15m
3:20AM0.32m
4:04PM0.11m
4:03AM0.31m
4:45PM0.07m
4:44AM0.29m
Wave
height (m) 
direction
period (s) 
0.5
ESE
8
0.5
E
9
0.8
NNE
5
1.1
N
4
0.9
NE
7
0.6
ENE
7
0.3
ENE
6
0.4
SSW
3
1.1
SSW
4
0.5
SW
3
0.9
S
4
1
SW
4
0.9
SSW
6
1
SW
6
0.7
SW
6
0.4
SE
9
0.6
SW
3
0.7
W
3
0.9
WNW
4
1.1
WNW
4
1
WNW
4
0.9
WNW
4
0.6
W
3
0.4
WNW
3
0.4
NNW
3
0.5
N
3
0.6
NE
5
0.6
ENE
7
0.5
E
7
0.4
ESE
10
1.1
SW
4
1
WSW
4
0.9
SW
4
1.3
SSW
5
1.1
S
6
0.9
SSW
6
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
cloud
cloud
cloud
cloud
rain showers
clear
part cloud
cloud
clear
cloud
cloud
clear
part cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
clear
part cloud
cloud
clear
part cloud
part cloud
cloud
light snow
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
cloudy
cloudy
cloudy
cloudy
rain shwrs
clear
some clouds
cloudy
clear
cloudy
cloudy
clear
some clouds
clear
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
clear
some clouds
cloudy
clear
some clouds
some clouds
cloudy
light snow
 km/h
20
NW
10
WSW
35
W
45
NNW
30
N
20
NNW
10
SSW
25
SSW
45
SW
25
SW
40
SSW
35
WSW
30
WSW
35
W
30
W
15
WSW
25
SW
35
W
40
WNW
45
W
40
W
35
W
25
W
20
WNW
20
NNW
25
NNW
25
NNW
20
NNW
15
NW
25
SW
45
WSW
40
WSW
40
SW
50
SW
45
SW
30
W
 mm 
3
1
max°C
4
4
5
-4
-2
-2
-2
4
7
8
10
9
6
5
2
5
5
4
-1
-1
-3
-1
0
0
0
0
0
-1
-2
2
3
4
8
9
8
7
Moonrise
7:04
8:21
9:34
10:42
11:47
12:50
1:52
2:55
3:58
5:01
6:03
Moonset
9:53
10:31
11:01
11:26
11:47
12:06
12:25
12:45
1:07
1:34
2:05
2:44
Sunrise
6:52
6:54
6:54
6:54
6:56
6:56
6:58
6:58
6:58
7:00
7:00
7:01
Sunset
4:08
4:08
4:08
4:08
4:08
4:08
4:08
4:08
4:09
4:09
4:09
4:10
Today's sea temperature in Chatham (outer coast) is
8.4° C
(Statistics for 07 Dec 1981-2005 – mean: 9.1 max: 11.3 min: 7.5°C)
Issued (local time): 12 pm Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest