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 07:01 AM and sunset is at 04:10 PM.

Days 1–3 Weather Summary

Light rain (total 8mm), mostly falling on Fri afternoon. Icy conditions (max 13°C on Fri morning, min -3°C on Sun night). Winds decreasing (gales from the S on Fri morning, light winds from the SW by Sat afternoon).

Days 4–6 Weather Summary

Light rain (total 8mm), mostly falling on Tue afternoon. Icy conditions (max 5°C on Tue afternoon, min -2°C on Mon morning). Winds increasing (light winds from the WNW on Mon night, strong winds from the NW by Tue night).

Days 7–9 Weather Summary

Moderate rain (total 15mm), heaviest on Fri afternoon. Freeze-thaw conditions (max 9°C on Fri afternoon, min -2°C on Sat night). Winds increasing (light winds from the NE on Thu night, strong winds from the S by Fri afternoon).

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Tue night. Freeze-thaw conditions (max 6°C on Wed morning, min -2°C on Sun morning). Winds decreasing (fresh winds from the NW on Sun afternoon, calm by Tue morning).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
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
11:04AM2.11m
11:44PM1.81m
11:43AM2.12m
00:23AM1.82m
12:22PM2.12m
1:02AM1.82m
1:01PM2.12m
1:41AM1.83m
1:41PM2.10m
2:22AM1.85m
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
Low Tide
5:24PM0.04m
5:25AM0.28m
6:03PM0.02m
6:05AM0.27m
6:42PM0.01m
6:46AM0.26m
7:22PM-0.00m
7:28AM0.25m
8:02PM-0.00m
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
Wave
height (m) 
direction
period (s) 
1.3
SE
6
1.6
SE
10
1.5
ESE
11
0.9
ESE
11
0.6
ESE
10
0.9
SSE
5
0.9
S
5
1
NE
6
0.9
NW
4
1
NNW
4
0.7
NE
6
0.4
NNE
5
0.4
ESE
3
0.9
SSE
4
0.9
WNW
4
1.1
NNW
4
0.7
NE
7
0.5
NE
7
0.5
ENE
8
0.5
N
5
0.3
ENE
10
0.6
SE
3
1.2
SE
6
0.6
SSW
5
0.6
SSW
5
0.9
NE
6
0.8
N
4
0.7
N
4
0.6
NNW
3
0.5
NNW
3
0.5
NNW
3
0.4
NE
6
0.2
NNE
5
0.1
NE
5
0.1
NE
5
0.2
E
3
light rain
rain showers
rain showers
clear
cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
cloud
light rain
mod rain
part cloud
clear
clear
part cloud
clear
clear
part cloud
light rain
heavy rain
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
light rain
light rain
rain shwrs
rain shwrs
clear
cloudy
some clouds
cloudy
some clouds
some clouds
some clouds
clear
cloudy
light rain
mod rain
some clouds
clear
clear
some clouds
clear
clear
some clouds
light rain
heavy rain
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
light rain
 km/h
50
SSE
55
SW
45
W
25
W
15
SW
40
SW
30
WSW
40
WNW
40
WNW
40
NW
30
NW
20
NW
25
S
40
S
40
WNW
45
NW
30
NW
15
NW
25
WSW
20
WNW
5
NE
30
SSE
50
S
25
W
25
WNW
40
NW
30
NNW
30
NNW
30
NW
25
NW
20
NW
15
WSW
10
NW
0
W
10
E
10
E
 mm 
3
4
1
2
6
1
14
1
max°C
13
12
3
2
2
7
6
3
0
-1
1
0
3
5
5
2
3
2
4
5
4
6
9
9
6
5
-1
-1
-1
0
1
2
1
2
3
5
Moonrise
7:02
7:54
8:38
9:14
9:44
10:10
10:33
10:54
11:15
11:38
12:04
12:36
Moonset
3:31
4:26
5:28
6:35
7:42
8:50
9:58
11:06
12:17
1:31
2:48
Sunrise
7:01
7:01
7:03
7:03
7:03
7:03
7:05
7:05
7:05
7:05
7:05
7:05
Sunset
4:10
4:10
4:12
4:12
4:13
4:14
4:14
4:15
4:15
4:15
4:16
4:17
Today's sea temperature in Chatham (outer coast) is
6.6° C
(Statistics for 19 Dec 1981-2005 – mean: 7.9 max: 10.4 min: 6.1°C)
Issued (local time): 12 pm Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest