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 06:47 AM and sunset is at 05:49 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Thu morning. Warm air temperatures (max 26°C on Thu afternoon, min 24°C on Fri night). Mainly fresh winds.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 25°C on Sun morning, min 24°C on Sun morning). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 7mm), mostly falling on Thu night. Warm (max 26°C on Fri morning, min 25°C on Wed morning). Mainly fresh winds.

Days 10–12 Weather Summary

Heavy rain (total 24mm), heaviest during Sun night. Warm (max 26°C on Sat night, min 25°C on Sat morning). Wind will be generally light.

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
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
12:31PM0.28m
00:57AM0.11m
12:50PM0.25m
3:05AM0.15m
1:06PM0.21m
4:30AM0.20m
1:16PM0.17m
5:28AM0.24m
6:21AM0.28m
7:13AM0.31m
8:03AM0.32m
8:53AM0.33m
9:40AM0.33m
10:22AM0.32m
10:57AM0.30m
Low Tide
8:50PM0.06m
8:50PM0.04m
7:30AM0.13m
8:57PM0.01m
9:50AM0.15m
9:17PM-0.03m
9:45PM-0.07m
10:21PM-0.10m
11:02PM-0.12m
11:55PM-0.14m
00:50AM-0.13m
1:41AM-0.12m
2:28AM-0.09m
3:14AM-0.04m
Wave
height (m) 
direction
period (s) 
0.9
NNE
10
0.9
NNE
10
0.7
NNE
9
0.6
NNE
9
0.6
NNE
11
0.8
NNE
10
0.7
N
10
0.7
N
10
0.6
NNE
10
0.5
NE
10
0.5
N
10
0.6
N
10
0.6
NNE
5
0.6
NE
5
0.7
NE
5
0.9
NE
6
0.8
ENE
7
0.8
ENE
7
0.9
NE
7
0.8
ENE
7
0.7
NE
7
0.7
NE
7
0.6
ESE
6
0.7
ENE
6
0.9
E
6
0.8
NE
7
0.7
NNE
8
0.6
NNE
8
0.5
NE
7
0.5
NE
7
0.5
NE
7
0.7
ENE
4
0.7
ENE
5
0.8
NE
6
0.7
NE
6
0.8
NNE
11
thunderstorm
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
clear
risk tstorm
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
risk tstorm
risk tstorm
clear
some clouds
risk tstorm
risk tstorm
risk tstorm
risk tstorm
clear
risk tstorm
risk tstorm
risk tstorm
clear
 km/h
25
NNE
25
NNE
20
NE
20
ENE
20
NE
20
ENE
15
E
10
NE
10
E
5
ENE
10
N
20
NE
20
ENE
20
ENE
20
E
25
ESE
20
ESE
25
E
20
ESE
20
E
25
E
20
E
20
ENE
30
E
25
E
20
ESE
20
ESE
10
E
10
ENE
20
NE
20
ENE
25
ENE
20
ENE
25
ENE
20
ENE
25
ENE
 mm 
1
5
2
2
3
5
3
8
1
1
max°C
25
26
25
25
25
25
25
25
25
25
25
24
25
25
25
25
25
25
25
25
25
25
25
25
26
26
26
25
25
26
25
25
25
25
26
26
Moonrise
10:50
11:26
12:02
12:40
1:21
2:08
3:03
4:04
5:11
6:20
7:26
8:29
Moonset
10:50
11:44
12:39
1:36
2:38
3:44
4:53
6:01
7:05
8:02
8:51
Sunrise
6:47
6:48
6:48
6:48
6:48
6:48
6:50
6:50
6:50
6:50
6:50
6:52
Sunset
5:49
5:50
5:50
5:51
5:52
5:52
5:52
5:52
5:53
5:54
5:54
5:55
Today's sea temperature in Coral Harbor, Saint Johns Island is
27.8° C
(Statistics for 25 Dec 1981-2005 – mean: 26.8 max: 27.6 min: 25.9°C)
Issued (local time): 1 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest