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 06:37 AM and sunset is at 07:52 PM.

Days 1–3 Weather Summary

Light rain (total 5mm), mostly falling on Wed afternoon. Warm air temperatures (max 25°C on Wed morning, min 20°C on Wed morning). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 26mm), heaviest during Sat night. Warm air temperatures (max 28°C on Sat afternoon, min 15°C on Sun morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 25°C on Thu afternoon, min 19°C on Tue morning). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 4mm), mostly falling on Fri night. Warm (max 27°C on Sat afternoon, min 14°C on Sun night). Wind will be generally light.

Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
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
5:24AM1.16m
5:48PM1.14m
6:23AM1.19m
6:47PM1.25m
7:18AM1.21m
7:42PM1.36m
8:11AM1.22m
8:35PM1.45m
9:04AM1.21m
9:27PM1.50m
9:56AM1.19m
10:19PM1.51m
10:49AM1.16m
11:11PM1.47m
11:43AM1.12m
00:05AM1.41m
12:39PM1.08m
1:02AM1.32m
1:39PM1.04m
2:01AM1.24m
2:41PM1.02m
3:01AM1.17m
3:43PM1.02m
4:00AM1.12m
Low Tide
12:18PM0.05m
00:41AM0.05m
1:11PM-0.04m
1:43AM-0.03m
2:03PM-0.12m
2:40AM-0.10m
2:52PM-0.18m
3:36AM-0.14m
3:41PM-0.21m
4:29AM-0.16m
4:31PM-0.21m
5:22AM-0.14m
5:21PM-0.18m
6:15AM-0.09m
6:14PM-0.12m
7:09AM-0.03m
7:08PM-0.05m
8:05AM0.04m
8:06PM0.03m
9:03AM0.09m
9:08PM0.10m
10:02AM0.13m
10:12PM0.15m
Wave
height (m) 
direction
period (s) 
0.4
ESE
8
0.4
ESE
8
0.4
SE
8
0.4
SE
8
0.4
ESE
8
0.4
ESE
9
0.4
ESE
9
0.5
SE
9
0.6
ESE
9
0.7
ESE
9
0.8
S
4
0.6
ESE
8
1.1
E
6
0.9
ESE
7
0.9
ESE
8
0.7
ESE
8
0.6
ESE
7
0.6
ESE
7
0.5
ESE
7
0.5
ESE
7
0.5
ESE
7
0.5
ESE
7
0.5
ESE
7
0.6
ESE
7
0.6
SE
5
0.6
SE
5
0.7
SSE
5
0.8
SSE
6
0.8
SSE
6
1.1
SSE
6
0.9
SSE
6
0.9
SSE
6
0.6
SSE
6
0.8
NE
5
0.6
ESE
6
0.8
ENE
5
clear
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
clear
clear
clear
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
rain showers
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
risk tstorm
risk tstorm
some clouds
risk tstorm
some clouds
clear
clear
clear
some clouds
risk tstorm
risk tstorm
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
cloudy
rain shwrs
some clouds
some clouds
some clouds
some clouds
clear
clear
 km/h
5
S
10
SSE
0
S
10
SE
15
SE
5
SE
10
SE
15
S
10
SSW
15
SW
15
SSW
10
NNW
20
ENE
15
E
10
ENE
15
E
10
ESE
5
SE
10
SSE
15
SSE
5
SSW
15
S
15
S
15
S
15
SSW
20
SSW
10
SSW
25
SSW
20
SSW
25
SSW
15
WSW
20
SSW
10
W
20
N
15
N
10
NNE
 mm 
3
1
1
1
25
4
max°C
25
25
22
23
24
21
22
24
21
25
28
20
15
17
17
18
19
19
21
22
20
23
24
21
24
25
22
24
25
23
26
27
24
19
23
20
Moonrise
4:04
4:34
5:04
5:35
6:09
6:48
7:35
8:29
9:32
10:39
11:46
12:51
Moonset
3:23
4:32
5:42
6:54
8:10
9:27
10:43
11:52
12:52
1:41
2:21
Sunrise
6:37
6:37
6:35
6:33
6:33
6:31
6:31
6:30
6:28
6:28
6:26
6:26
Sunset
7:52
7:53
7:53
7:54
7:55
7:57
7:57
7:58
7:59
8:00
8:00
8:00
Today's sea temperature in South Island Ferry, Intracoastal Waterway is 21.7 °C (Statistics for 23 Apr 1981-2005 – mean: 21.0 max: 23.5 min: 18.9°C)
Issued (local time): 7 am Wednesday 23 Apr 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest