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 06:30 AM and sunset is at 07:58 PM.

Days 1–3 Weather Summary

Heavy rain (total 29mm), heaviest during Sat afternoon. Warm air temperatures (max 20°C on Thu morning, min 10°C on Sat night). Wind will be generally light.

Days 4–6 Weather Summary

Some drizzle, heaviest during Tue night. Warm air temperatures (max 23°C on Tue morning, min 10°C on Sun morning). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 40mm), heaviest during Thu afternoon. Warm (max 27°C on Wed afternoon, min 12°C on Fri morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 28°C on Mon afternoon, min 16°C on Sat morning). Wind will be generally light.

Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Fri
15
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
8:36AM1.09m
9:11PM1.31m
9:16AM1.07m
9:48PM1.31m
9:55AM1.05m
10:25PM1.29m
10:32AM1.02m
11:01PM1.25m
11:10AM0.99m
11:38PM1.21m
11:48AM0.96m
00:16AM1.17m
12:28PM0.94m
00:57AM1.13m
1:12PM0.92m
1:42AM1.10m
2:01PM0.93m
2:32AM1.09m
2:57PM0.95m
3:27AM1.08m
3:56PM1.00m
4:23AM1.08m
4:54PM1.08m
5:19AM1.09m
5:50PM1.17m
6:15AM1.10m
6:45PM1.28m
7:09AM1.11m
7:37PM1.37m
Low Tide
3:17PM-0.01m
3:59AM0.01m
3:54PM0.02m
4:40AM0.02m
4:30PM0.05m
5:19AM0.05m
5:04PM0.08m
5:57AM0.09m
5:39PM0.12m
6:35AM0.13m
6:15PM0.15m
7:14AM0.16m
6:55PM0.18m
7:56AM0.19m
7:40PM0.21m
8:43AM0.20m
8:32PM0.23m
9:33AM0.19m
9:31PM0.23m
10:25AM0.16m
10:36PM0.22m
11:18AM0.10m
11:42PM0.18m
12:10PM0.04m
00:45AM0.11m
1:01PM-0.03m
1:45AM0.04m
1:52PM-0.09m
Wave
height (m) 
direction
period (s) 
0.5
E
10
0.6
ESE
4
0.4
ESE
10
0.7
ENE
4
0.6
ESE
10
0.5
ESE
10
0.8
ENE
5
0.8
E
6
0.7
ESE
6
0.5
E
9
0.4
ESE
9
0.4
ESE
8
0.4
ESE
8
0.4
ESE
9
0.4
ESE
8
0.5
SE
5
0.6
SSE
3
0.7
SE
4
0.9
SSE
5
0.8
SSE
6
0.6
SSE
5
0.7
S
5
0.8
S
6
0.6
S
6
0.4
SSE
6
0.4
SE
6
0.4
SE
6
0.4
SSW
3
0.7
SSW
4
0.5
S
4
0.7
ENE
4
0.5
ENE
5
0.4
ESE
4
0.4
SE
12
0.6
S
3
0.6
S
4
0.6
SSE
4
0.8
S
4
0.7
SSE
5
0.6
SSE
5
0.8
S
4
0.9
SSE
5
1
SSE
6
1
SSE
6
0.9
SSE
6
0.7
SSE
6
0.6
SSE
6
thunderstorm
light rain
part cloud
cloud
light rain
light rain
mod rain
heavy rain
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
rain showers
thunderstorm
part cloud
rain showers
mod rain
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
rain showers
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
rain showers
part cloud
clear
risk tstorm
light rain
some clouds
cloudy
light rain
light rain
mod rain
heavy rain
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
rain shwrs
risk tstorm
some clouds
rain shwrs
mod rain
rain shwrs
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
rain shwrs
some clouds
risk tstorm
risk tstorm
some clouds
some clouds
rain shwrs
some clouds
clear
 km/h
15
N
10
NE
5
N
15
ENE
10
NE
10
NE
15
NNW
15
NNW
10
NNW
10
NNE
10
SE
10
S
10
SE
15
S
5
S
15
S
20
S
15
S
20
SW
20
SSW
10
SSW
10
WSW
20
WSW
15
NW
10
NNW
10
WNW
10
SW
15
WSW
15
WSW
10
WNW
15
ENE
15
ESE
5
SSE
10
SW
20
SSW
15
SW
15
SW
20
SSW
15
SW
10
SW
20
SSW
20
SSW
20
SW
20
SSW
10
WSW
5
WNW
15
ESE
 mm 
1
1
2
4
9
12
1
2
2
9
26
1
1
1
1
3
max°C
20
19
18
17
17
17
15
13
12
16
19
18
20
21
20
23
23
21
24
27
23
23
20
22
17
22
20
22
26
22
20
21
22
26
28
23
28
30
24
28
29
23
28
30
25
25
24
Moonrise
7:19
8:18
9:18
10:16
11:11
12:02
12:47
1:26
2:00
2:31
2:59
3:27
3:55
4:25
5:00
Moonset
5:35
6:04
6:37
7:14
7:57
8:46
9:40
10:38
11:38
12:38
1:39
2:40
3:43
4:49
5:58
7:12
Sunrise
6:30
6:28
6:28
6:26
6:26
6:24
6:24
6:22
6:22
6:22
6:20
6:20
6:18
6:18
6:18
6:16
Sunset
7:58
7:59
8:00
8:00
8:00
8:01
8:02
8:02
8:04
8:05
8:06
8:06
8:07
8:07
8:07
8:08
Today's sea temperature in South Island Ferry, Intracoastal Waterway is
20.6° C
(Statistics for 30 Apr 1981-2005 – mean: 21.8 max: 24.1 min: 19.1°C)
Issued (local time): 7 am Thursday 30 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest