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 07:13 AM and sunset is at 05:10 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 17°C on Wed morning, min -5°C on Mon morning). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 13mm), heaviest on Thu night. Warm air temperatures (max 20°C on Thu morning, min 7°C on Fri night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 22°C on Tue morning, min 10°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Very mild (max 19°C on Fri afternoon, min 6°C on Wed night). Wind will be generally light.

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
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
5:23PM0.98m
6:09AM1.19m
6:10PM0.98m
6:53AM1.22m
6:55PM0.99m
7:35AM1.23m
7:38PM0.99m
8:16AM1.24m
8:18PM1.00m
8:55AM1.24m
8:57PM0.99m
9:33AM1.23m
9:33PM0.98m
10:09AM1.21m
10:10PM0.98m
10:44AM1.19m
10:49PM0.98m
11:21AM1.18m
11:32PM1.00m
12:02PM1.15m
00:21AM1.02m
12:49PM1.12m
1:17AM1.06m
Low Tide
12:09PM0.16m
00:09AM0.10m
12:57PM0.13m
00:52AM0.08m
1:41PM0.11m
1:33AM0.06m
2:23PM0.09m
2:12AM0.05m
3:03PM0.08m
2:51AM0.04m
3:42PM0.08m
3:29AM0.03m
4:20PM0.08m
4:07AM0.03m
4:58PM0.08m
4:46AM0.04m
5:37PM0.08m
5:28AM0.05m
6:18PM0.07m
6:15AM0.07m
7:02PM0.05m
7:08AM0.09m
7:49PM0.03m
Wave
height (m) 
direction
period (s) 
0.8
ESE
9
0.6
ESE
10
0.5
ESE
10
0.4
ESE
10
0.4
ESE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
9
0.6
SE
9
0.8
SE
6
1
SE
7
1.1
SE
8
0.8
SE
8
0.6
ESE
8
0.7
SE
9
0.6
ESE
9
0.7
ESE
8
0.6
ESE
9
0.6
ESE
8
0.4
ESE
8
0.9
ENE
5
0.8
ENE
6
0.6
ESE
8
0.5
E
8
0.5
ESE
8
0.4
ESE
8
1
E
5
1
E
7
0.7
ESE
8
0.9
E
5
0.7
E
7
0.7
E
7
0.7
E
7
0.6
E
7
0.8
SE
5
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
rain showers
light rain
mod rain
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
rain shwrs
light rain
mod rain
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
clear
clear
some clouds
cloudy
cloudy
some clouds
clear
clear
clear
clear
some clouds
cloudy
 km/h
15
NNE
5
E
5
WNW
5
W
5
S
5
WSW
5
W
5
WSW
0
NNW
10
SSE
10
S
10
W
25
W
15
WNW
10
NE
15
ENE
10
E
10
S
10
WNW
5
W
5
N
20
NE
15
ENE
5
NNW
10
SW
10
SW
10
NNW
20
ENE
15
NE
10
N
15
NNE
10
NE
10
NE
15
NE
5
ESE
15
S
 mm 
2
3
8
max°C
0
1
3
9
9
13
17
17
16
20
20
17
14
14
10
10
13
18
19
19
17
14
14
17
22
21
19
10
9
8
11
11
13
16
19
19
Moonrise
3:17
4:15
5:13
6:12
7:08
8:00
8:46
9:27
10:02
10:33
11:02
11:29
Moonset
2:04
2:35
3:11
3:54
4:42
5:37
6:36
7:38
8:40
9:41
10:43
11:45
Sunrise
7:13
7:13
7:13
7:13
7:15
7:16
7:16
7:16
7:16
7:18
7:18
7:18
Sunset
5:10
5:10
5:12
5:12
5:12
5:13
5:13
5:14
5:14
5:15
5:15
5:15
Today's sea temperature in South Island Ferry, Intracoastal Waterway is
11.3° C
(Statistics for 15 Dec 1981-2005 – mean: 21.5 max: 23.5 min: 18.9°C)
Issued (local time): 6 am Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest