South Island Ferry, Intracoastal Waterway Sea Conditions and Tide Table

South Island Ferry, Intracoastal Waterway 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 — and sunset is at 05:15 PM.

Days 1–4 Weather Summary

Mostly dry. Warm air temperatures (max 22°C on Thu afternoon, min 13°C on Sat night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Mon afternoon, min 4°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 4mm), mostly falling on Sat morning. Very mild (max 16°C on Fri afternoon, min 6°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 2mm), mostly falling on Sat night. Very mild (max 19°C on Tue morning, min 9°C on Sun afternoon). Wind will be generally light.

Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
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
AM
Wave Height Map
High Tide
00:21AM1.02m
12:49PM1.12m
1:17AM1.06m
1:43PM1.08m
2:17AM1.12m
2:43PM1.04m
3:21AM1.18m
3:47PM1.02m
4:26AM1.25m
4:52PM1.02m
5:30AM1.31m
5:55PM1.04m
6:32AM1.36m
6:57PM1.07m
7:31AM1.40m
7:55PM1.10m
8:27AM1.41m
8:49PM1.12m
9:19AM1.40m
9:42PM1.14m
10:08AM1.36m
10:34PM1.13m
10:56AM1.30m
Low Tide
7:02PM0.05m
7:08AM0.09m
7:49PM0.03m
8:09AM0.11m
8:42PM0.01m
9:16AM0.12m
9:38PM-0.03m
10:26AM0.09m
10:38PM-0.07m
11:33AM0.05m
11:38PM-0.12m
12:36PM-0.00m
00:37AM-0.16m
1:35PM-0.05m
1:35AM-0.21m
2:30PM-0.09m
2:31AM-0.25m
3:22PM-0.12m
3:24AM-0.25m
4:12PM-0.12m
4:16AM-0.23m
5:01PM-0.11m
5:08AM-0.17m
Wave
height (m) 
direction
period (s) 
0.6
S
3
0.4
ESE
9
0.9
ENE
5
0.7
E
6
0.5
E
9
0.4
ESE
10
0.3
ESE
10
0.5
E
4
0.7
E
5
0.5
E
8
0.6
SSE
4
0.7
S
4
0.8
S
5
0.5
S
6
0.5
NE
5
0.4
NE
5
0.2
ENE
4
0.1
E
8
0.4
SW
3
0.4
SW
4
0.2
SSW
4
0.3
NE
3
0.2
ESE
12
0.2
SSW
3
0.4
SW
4
0.4
SSW
4
0.2
SSW
4
0.1
SE
11
0.5
ENE
3
0.9
ENE
6
0.7
E
6
0.6
E
7
0.5
E
7
0.4
ESE
7
0.3
ESE
7
0.3
ESE
7
clear
part cloud
cloud
clear
part cloud
clear
clear
clear
cloud
cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
light rain
light rain
cloud
light rain
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
some clouds
cloudy
clear
some clouds
clear
clear
clear
cloudy
cloudy
some clouds
clear
some clouds
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
some clouds
light rain
light rain
cloudy
light rain
cloudy
cloudy
some clouds
some clouds
some clouds
clear
clear
 km/h
10
SW
10
W
20
ENE
10
NNE
10
SW
10
NW
5
ENE
15
ENE
15
E
5
E
10
SW
20
SW
20
WSW
15
N
15
N
10
NNW
5
NW
5
WSW
10
WSW
10
W
10
NNE
10
E
5
SSW
10
WSW
10
WSW
15
W
0
WSW
5
NE
15
NE
15
NNE
10
N
10
N
10
NNW
5
NW
5
WNW
5
SW
 mm 
1
3
2
max°C
22
21
14
14
17
22
22
17
16
19
19
22
23
16
8
8
6
10
12
10
11
10
12
15
16
13
9
11
12
12
11
11
16
17
14
19
Moonrise
11:29
11:57
12:26
12:59
1:37
2:25
3:22
4:30
5:43
6:56
8:07
Moonset
10:43
11:45
12:49
1:56
3:07
4:21
5:36
6:46
7:46
8:36
9:17
9:51
Sunrise
7:18
7:18
7:18
7:18
7:20
7:20
7:20
7:20
7:20
7:20
7:20
7:20
Sunset
5:15
5:15
5:16
5:16
5:17
5:19
5:19
5:20
5:21
5:22
5:22
5:23
Today's sea temperature in South Island Ferry, Intracoastal Waterway is
10.3° C
(Statistics for 25 Dec 1981-2005 – mean: 21.1 max: 23.1 min: 19.2°C)
Issued (local time): 6 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest