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 06:07 AM and sunset is at 06:32 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 26°C on Wed morning, min 25°C on Wed morning). Mainly fresh winds.

Days 4–6 Weather Summary

Moderate rain (total 12mm), heaviest on Mon night. Warm air temperatures (max 25°C on Sat morning, min 25°C on Sat morning). Mainly fresh winds.

Days 7–9 Weather Summary

Heavy rain (total 57mm), heaviest during Tue afternoon. Warm (max 26°C on Thu afternoon, min 22°C on Tue afternoon). Mainly fresh winds.

Days 10–12 Weather Summary

Light rain (total 3mm), mostly falling on Fri morning. Warm (max 26°C on Fri afternoon, min 24°C on Sat night). Mainly fresh winds.

Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thu
23
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
2:41AM0.21m
3:40AM0.22m
4:27AM0.22m
2:17PM0.06m
5:06AM0.22m
4:41PM0.09m
5:39AM0.21m
5:50PM0.13m
6:07AM0.19m
6:51PM0.17m
6:28AM0.16m
7:48PM0.21m
6:42AM0.12m
8:43PM0.25m
6:55AM0.09m
9:39PM0.28m
7:05AM0.07m
10:35PM0.30m
11:29PM0.30m
00:22AM0.30m
1:17AM0.29m
Low Tide
5:48PM-0.05m
6:50PM-0.03m
7:57PM-0.01m
12:38PM0.06m
9:05PM0.01m
12:52PM0.07m
10:15PM0.04m
1:02PM0.06m
11:41PM0.06m
1:00PM0.05m
1:21AM0.07m
1:06PM0.02m
2:43AM0.08m
1:24PM-0.01m
4:06AM0.07m
1:49PM-0.05m
5:45AM0.07m
2:19PM-0.08m
2:52PM-0.10m
3:32PM-0.11m
4:23PM-0.10m
5:28PM-0.08m
Wave
height (m) 
direction
period (s) 
1.1
SE
6
1
SE
6
0.9
ESE
7
0.9
ESE
6
0.9
ESE
7
0.9
ENE
8
1
NE
7
0.9
NE
7
0.9
NE
7
0.9
NE
9
0.9
NE
9
0.9
NE
9
0.8
NE
10
0.7
NE
10
0.8
NE
10
0.8
NE
10
0.8
NE
10
0.8
NE
9
1
ENE
6
1
ENE
7
1.3
ESE
5
1.4
ESE
5
1.1
E
6
1.2
ESE
5
1
E
6
0.9
E
6
0.9
ESE
5
1.1
E
5
1.1
E
5
1.1
E
5
0.9
ENE
6
0.8
ENE
7
0.6
ENE
7
0.6
ENE
8
0.6
ENE
8
0.7
ENE
5
0.6
ENE
5
0.7
NE
6
0.8
ENE
5
0.8
NE
6
0.6
NE
7
0.9
ENE
5
0.8
NE
6
0.6
NE
6
0.8
ENE
4
0.7
ENE
6
0.6
ENE
6
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
thunderstorm
clear
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
rain showers
part cloud
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
clear
clear
rain showers
clear
clear
some clouds
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
risk tstorm
clear
risk tstorm
risk tstorm
some clouds
risk tstorm
risk tstorm
risk tstorm
risk tstorm
light rain
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
clear
clear
clear
clear
clear
clear
rain shwrs
some clouds
clear
rain shwrs
risk tstorm
risk tstorm
risk tstorm
clear
clear
rain shwrs
clear
clear
 km/h
30
SE
25
ESE
25
E
30
ESE
25
E
25
E
30
ESE
25
E
25
E
20
ESE
25
E
25
ENE
25
E
20
ENE
25
ENE
25
ENE
20
E
25
E
30
ESE
25
ENE
40
ESE
35
E
30
E
30
ESE
30
E
30
E
30
ENE
30
E
30
ENE
35
ENE
25
ENE
25
NE
20
NE
20
ENE
25
NE
25
ENE
25
ENE
25
ENE
30
ENE
25
E
20
ENE
30
ENE
25
ENE
25
ENE
30
ENE
25
ENE
25
ENE
 mm 
2
1
2
2
5
11
13
3
6
12
7
2
2
1
1
1
1
4
2
2
1
1
max°C
26
26
25
26
26
25
26
26
26
25
25
25
25
25
25
25
25
25
24
22
24
24
25
25
25
26
26
25
26
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
Moonrise
12:26
1:13
1:57
2:37
3:16
3:53
4:30
5:09
5:50
6:36
7:28
8:26
9:30
10:36
11:40
Moonset
10:35
11:29
12:23
1:18
2:13
3:07
4:02
4:58
5:57
6:59
8:05
9:13
10:21
11:25
12:23
Sunrise
6:07
6:07
6:05
6:05
6:03
6:03
6:03
6:01
6:01
6:01
6:00
5:58
5:58
5:58
5:56
5:56
Sunset
6:32
6:34
6:34
6:34
6:34
6:35
6:35
6:35
6:35
6:36
6:36
6:36
6:36
6:37
6:37
6:37
Today's sea temperature in Coral Harbor, Saint Johns Island is
26.9° C
(Statistics for 08 Apr 1981-2005 – mean: 26.5 max: 27.4 min: 25.7°C)
Issued (local time): 1 am Wednesday 08 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest