Coral Harbor, Saint Johns Island Sea Conditions and Tide Table

Coral Harbor, Saint Johns Island 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 06:21 PM.

Days 1–4 Weather Summary

Moderate rain (total 13mm), heaviest on Tue morning. Warm air temperatures (max 26°C on Sat night, min 24°C on Mon night). Winds decreasing (fresh winds from the ESE on Sun night, light winds from the SE by Mon night).

Days 5–7 Weather Summary

Light rain (total 7mm), mostly falling on Tue night. Warm air temperatures (max 26°C on Tue afternoon, min 25°C on Tue night). Winds increasing (light winds from the E on Tue afternoon, fresh winds from the E by Fri morning).

Days 8–10 Weather Summary

Light rain (total 8mm), mostly falling on Sat night. Warm (max 26°C on Fri afternoon, min 25°C on Fri night). Mainly strong winds.

Days 11–13 Weather Summary

Moderate rain (total 10mm), heaviest on Wed morning. Warm (max 26°C on Mon afternoon, min 24°C on Wed night). Mainly fresh winds.

Sat
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
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
night
Wave Height Map
High Tide
00:50AM0.19m
10:48AM0.09m
2:06AM0.21m
3:30AM0.23m
4:43AM0.24m
5:44AM0.25m
6:37AM0.25m
7:22AM0.24m
3:43PM0.06m
7:58AM0.23m
5:49PM0.07m
8:28AM0.22m
7:25PM0.09m
8:55AM0.20m
8:41PM0.12m
9:19AM0.17m
9:49PM0.14m
9:39AM0.14m
10:48PM0.16m
9:53AM0.12m
11:39PM0.17m
10:04AM0.09m
Low Tide
5:28PM-0.04m
8:19AM0.08m
6:05PM-0.07m
6:49PM-0.09m
7:41PM-0.11m
8:38PM-0.12m
9:38PM-0.12m
10:40PM-0.10m
3:18PM0.06m
11:48PM-0.07m
3:10PM0.06m
00:56AM-0.05m
3:25PM0.05m
1:55AM-0.02m
3:40PM0.04m
2:49AM0.01m
3:51PM0.02m
3:46AM0.04m
4:04PM0.00m
5:02AM0.06m
4:27PM-0.02m
6:37AM0.06m
4:57PM-0.04m
Wave
height (m) 
direction
period (s) 
1.1
E
6
1.1
ESE
6
1.1
ESE
5
1.2
ESE
6
1
ESE
5
1.1
SE
6
0.9
SE
6
0.6
E
7
0.9
SE
6
0.7
ESE
7
0.9
NE
7
1
NW
9
1.2
NE
8
1.4
NE
7
1.5
E
7
1.4
E
7
1.4
E
7
1.5
E
6
1.3
ESE
7
1.3
ESE
6
1.1
ESE
5
1.2
ESE
6
1.2
ESE
6
1.4
ESE
7
1.3
ESE
6
1.4
ESE
6
1.6
ESE
6
1.4
ESE
7
1.4
ESE
6
1.2
E
9
1
ENE
10
0.9
ENE
10
1
ENE
10
1
ENE
11
1.2
NNE
11
1.3
NNE
11
1.4
NNE
10
1.5
NNE
10
1.4
NE
11
1.4
NE
8
1.3
NE
8
1.1
NE
8
1.1
NE
6
0.9
NE
6
0.9
NE
8
1
NE
6
1.2
NE
5
thunderstorm
clear
rain showers
clear
clear
part cloud
clear
rain showers
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
clear
rain showers
clear
rain showers
part cloud
clear
thunderstorm
thunderstorm
part cloud
clear
thunderstorm
clear
thunderstorm
clear
clear
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
rain showers
rain showers
rain showers
part cloud
part cloud
rain showers
thunderstorm
thunderstorm
thunderstorm
risk tstorm
clear
rain shwrs
clear
clear
some clouds
clear
rain shwrs
risk tstorm
clear
risk tstorm
risk tstorm
risk tstorm
clear
risk tstorm
clear
rain shwrs
clear
rain shwrs
some clouds
clear
risk tstorm
risk tstorm
some clouds
clear
risk tstorm
clear
risk tstorm
clear
clear
clear
rain shwrs
risk tstorm
risk tstorm
risk tstorm
clear
clear
risk tstorm
rain shwrs
rain shwrs
rain shwrs
some clouds
some clouds
rain shwrs
risk tstorm
risk tstorm
risk tstorm
 km/h
30
ESE
30
E
35
ESE
25
ESE
30
ESE
25
SE
20
SE
10
SE
25
SE
15
E
25
E
25
ESE
30
E
35
E
35
E
35
E
35
E
40
E
35
E
30
ESE
30
E
30
ESE
35
ESE
35
E
35
E
35
E
40
E
35
ESE
35
E
30
E
25
E
20
E
30
E
20
ENE
25
NE
30
NE
35
NE
40
NE
35
NE
35
NE
35
NE
30
NE
30
NE
30
NE
30
ENE
35
NE
35
NE
 mm 
1
2
2
8
1
1
2
1
2
1
2
4
1
1
2
3
2
2
5
1
1
1
1
2
1
4
max°C
25
26
25
26
26
26
26
26
26
26
26
25
26
26
26
26
26
26
26
26
25
25
26
25
26
26
26
26
26
26
26
26
26
25
25
25
25
24
25
24
24
24
24
24
24
24
24
Moonrise
10:02
10:49
11:43
12:42
1:46
2:51
3:54
4:55
5:52
6:46
7:38
8:29
9:20
10:12
11:05
Moonset
10:23
11:25
12:29
1:35
2:38
3:37
4:30
5:17
5:58
6:36
7:12
7:46
8:20
8:56
9:35
Sunrise
6:41
6:41
6:41
6:39
6:39
6:39
6:37
6:37
6:37
6:35
6:35
6:35
6:33
6:33
6:31
Sunset
6:21
6:22
6:22
6:22
6:22
6:22
6:23
6:23
6:23
6:24
6:24
6:24
6:24
6:25
6:25
6:25
Today's sea temperature in Coral Harbor, Saint Johns Island is
26.9° C
(Statistics for 21 Feb 1981-2005 – mean: 25.9 max: 26.6 min: 25.3°C)
Issued (local time): 1 pm Saturday 21 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest