Chatham (inside) Sea Conditions and Tide Table

Chatham (inside) 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 04:13 PM.

Days 1–3 Weather Summary

Light rain (total 6mm), mostly falling on Tue afternoon. Icy conditions (max 5°C on Tue night, min -5°C on Thu night). Winds decreasing (near gales from the NW on Wed morning, calm by Wed night).

Days 4–6 Weather Summary

Light rain (total 6mm), mostly falling on Sun night. Icy conditions (max 7°C on Sun night, min -5°C on Fri morning). Winds increasing (light winds from the W on Sat night, strong winds from the S by Sun night).

Days 7–9 Weather Summary

Mostly dry. Temperatures will be below freezing (max 0°C on Mon morning, min -4°C on Mon night). Winds decreasing (strong winds from the W on Mon night, light winds from the W by Wed night).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 8°C on Sat night, min -3°C on Thu morning). Winds increasing (calm on Fri night, fresh winds from the SSW by Sun morning).

Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
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
3:11PM1.15m
3:49AM1.01m
3:55PM1.14m
4:32AM1.03m
4:41PM1.12m
5:18AM1.06m
5:32PM1.10m
6:07AM1.09m
6:26PM1.08m
6:58AM1.13m
7:23PM1.06m
7:51AM1.18m
8:22PM1.05m
8:46AM1.23m
9:23PM1.05m
9:42AM1.27m
10:21PM1.06m
10:37AM1.30m
11:20PM1.08m
11:34AM1.34m
00:18AM1.10m
12:30PM1.35m
1:13AM1.12m
Low Tide
9:22AM0.16m
9:57PM0.02m
10:06AM0.16m
10:39PM0.02m
10:52AM0.16m
11:23PM0.03m
11:43AM0.14m
00:09AM0.04m
12:37PM0.12m
1:00AM0.05m
1:36PM0.08m
1:54AM0.06m
2:36PM0.03m
2:50AM0.05m
3:36PM-0.03m
3:47AM0.04m
4:35PM-0.09m
4:43AM0.03m
5:31PM-0.14m
5:39AM0.00m
6:26PM-0.18m
6:34AM-0.02m
7:20PM-0.20m
Wave
height (m) 
direction
period (s) 
0.2
E
10
0.2
E
10
0.6
SE
4
1.1
NNW
4
1.3
ENE
8
1
E
9
1
E
9
0.9
E
10
1.4
NE
8
1.2
NE
8
1
NE
9
0.7
ENE
10
0.8
ENE
12
0.7
ENE
12
0.6
ENE
12
0.5
ENE
12
0.5
ENE
12
0.9
SSE
4
1
NW
4
0.9
WNW
4
1.1
W
4
1
WNW
4
1
W
4
0.8
WNW
4
0.5
NW
3
0.4
NW
3
0.2
NNE
6
0.4
WSW
3
0.7
SW
4
0.6
W
3
0.5
W
3
0.3
NNE
5
0.2
ENE
6
0.3
ENE
6
0.4
SSE
3
0.6
S
3
cloud
light rain
light rain
part cloud
light rain
cloud
light rain
light rain
cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
cloud
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
part cloud
cloudy
light rain
light rain
some clouds
light rain
cloudy
light rain
light rain
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
some clouds
cloudy
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
clear
clear
clear
clear
clear
some clouds
 km/h
10
WSW
10
SE
25
S
55
NW
40
NNE
5
NNW
35
SW
35
WNW
50
NNW
40
N
30
N
15
N
25
NNE
25
N
15
NW
15
WSW
20
WSW
40
S
45
WNW
40
W
45
W
45
W
45
W
35
WNW
25
WNW
20
WNW
15
W
25
W
35
WSW
30
W
20
W
15
NW
0
ESE
15
S
20
SSW
30
SSW
 mm 
1
2
1
1
1
6
max°C
3
3
5
4
3
2
4
4
-2
-4
-3
-1
-2
-3
-2
1
3
7
0
-2
-3
-2
-1
-2
-2
0
-1
0
1
2
3
3
3
4
6
8
Moonrise
9:45
10:10
10:33
10:54
11:15
11:38
12:04
12:36
1:17
2:11
3:18
4:34
Moonset
7:42
8:50
9:58
11:06
12:17
1:31
2:49
4:09
5:28
6:40
7:38
Sunrise
7:03
7:03
7:05
7:05
7:05
7:05
7:05
7:05
7:05
7:05
7:05
7:05
Sunset
4:13
4:14
4:14
4:15
4:15
4:15
4:16
4:17
4:19
4:20
4:21
4:21
Today's sea temperature in Chatham (inside) is
6.9° C
(Statistics for 23 Dec 1981-2005 – mean: 7.5 max: 9.4 min: 6.1°C)
Issued (local time): 12 pm Tuesday 23 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest