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 05:13 AM and sunset is at 08:15 PM.

Days 1–3 Weather Summary

Moderate rain (total 12mm), heaviest on Thu morning. Warm air temperatures (max 23°C on Wed night, min 18°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 25°C on Mon night, min 17°C on Sat night). Wind will be generally light.

Days 7–9 Weather Summary

Some drizzle, heaviest during Thu night. Warm (max 26°C on Tue night, min 23°C on Wed night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Warm (max 25°C on Fri night, min 18°C on Sun night). Mainly fresh winds.

Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
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
11:49AM1.78m
11:50PM2.12m
12:32PM1.82m
00:32AM2.17m
1:13PM1.87m
1:13AM2.21m
1:53PM1.92m
1:55AM2.23m
2:34PM1.98m
2:39AM2.24m
3:15PM2.05m
3:24AM2.22m
3:59PM2.11m
4:13AM2.17m
4:46PM2.16m
5:06AM2.11m
5:36PM2.20m
6:02AM2.03m
6:29PM2.24m
7:03AM1.96m
7:26PM2.26m
8:06AM1.92m
8:25PM2.29m
Low Tide
5:29AM0.12m
5:29PM0.33m
6:11AM0.06m
6:13PM0.27m
6:52AM-0.00m
6:56PM0.22m
7:34AM-0.05m
7:40PM0.17m
8:15AM-0.10m
8:25PM0.12m
8:57AM-0.12m
9:12PM0.08m
9:41AM-0.12m
10:01PM0.05m
10:27AM-0.09m
10:54PM0.03m
11:16AM-0.04m
11:50PM0.01m
12:08PM0.02m
00:49AM-0.01m
1:04PM0.08m
1:51AM-0.03m
2:03PM0.12m
2:53AM-0.06m
Wave
height (m) 
direction
period (s) 
0.3
ESE
9.0
0.3
ESE
9.0
0.3
ESE
9.0
0.3
ESE
9.0
0.3
ESE
9.0
0.3
ESE
5.0
0.3
ESE
6.0
0.3
ESE
6.0
0.3
SE
8.0
0.3
SE
8.0
0.4
SE
8.0
0.4
SE
7.0
0.4
SE
6.0
0.4
SSE
3.0
0.4
SSE
3.0
0.4
SE
4.0
0.6
S
3.0
0.4
SE
4.0
0.2
E
7.0
0.2
E
7.0
0.2
E
8.0
0.2
E
9.0
0.4
SSW
3.0
0.3
SSW
3.0
0.3
S
2.0
0.4
S
3.0
0.3
SE
5.0
0.4
SE
5.0
0.4
ESE
6.0
0.4
NNW
2.0
0.7
NE
4.0
0.5
NE
5.0
0.3
ENE
4.0
0.5
NE
4.0
0.4
ENE
3.0
0.4
ENE
4.0
part cloud
part cloud
rain showers
mod rain
light rain
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
light rain
rain showers
part cloud
rain showers
cloud
cloud
part cloud
part cloud
clear
clear
some clouds
some clouds
rain shwrs
mod rain
light rain
cloudy
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
light rain
rain shwrs
some clouds
rain shwrs
cloudy
cloudy
some clouds
some clouds
clear
clear
 km/h
10
NW
0
ESE
10
S
10
SE
10
NNE
10
NNE
10
NNE
10
NE
5
ESE
10
ESE
15
SE
15
SSE
20
SSE
20
S
20
SSW
20
SSW
30
SSW
15
WSW
10
N
10
E
10
WSW
10
SSE
25
SSW
15
SW
20
S
20
S
15
S
20
S
15
S
25
NNW
30
NNE
15
NNE
15
N
15
ENE
20
ENE
10
ENE
 mm 
4
6
2
1
1
1
max°C
21
22
23
20
22
20
19
19
19
20
19
18
18
20
21
23
24
25
24
25
26
26
26
24
25
25
24
24
24
25
19
20
23
21
20
19
Moonrise
7:56
8:40
9:17
9:47
10:13
10:35
10:57
11:19
11:43
12:12
12:47
Moonset
3:30
4:30
5:36
6:48
8:00
9:11
10:23
11:35
12:48
2:04
3:22
4:40
Sunrise
5:13
5:13
5:15
5:15
5:16
5:16
5:18
5:18
5:18
5:20
5:20
5:22
Sunset
8:15
8:15
8:14
8:14
8:13
8:13
8:12
8:12
8:10
8:09
8:09
8:08
Today's sea temperature in Chatham (outer coast) is 18.9 °C (Statistics for 09 Jul 1981-2005 – mean: 18.5 max: 20.7 min: 16.9°C)
Issued (local time): 7 am Wednesday 09 Jul 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest