Saint Johns River at Navy degaussing structure Sea Conditions and Tide Table

Saint Johns River at Navy degaussing structure 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 07:16 AM and sunset is at 05:27 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Thu afternoon. Warm air temperatures (max 22°C on Thu morning, min 10°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 19°C on Mon night, min 14°C on Sun morning). Winds decreasing (fresh winds from the NE on Mon morning, calm by Tue night).

Days 7–9 Weather Summary

Mostly dry. Warm (max 23°C on Fri afternoon, min 16°C on Wed morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 24°C on Sat afternoon, min 17°C on Sat morning). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
6:57PM0.59m
7:20AM0.95m
7:32PM0.60m
7:57AM1.01m
8:11PM0.60m
8:37AM1.03m
8:56PM0.61m
9:20AM1.01m
9:44PM0.63m
10:05AM0.97m
10:33PM0.66m
10:51AM0.90m
11:22PM0.69m
11:39AM0.80m
00:13AM0.72m
12:33PM0.72m
1:11AM0.74m
1:36PM0.66m
2:15AM0.78m
2:43PM0.64m
3:19AM0.85m
3:44PM0.66m
4:21AM0.94m
Low Tide
1:03PM-0.44m
00:42AM-0.49m
1:40PM-0.48m
1:15AM-0.55m
2:17PM-0.53m
1:50AM-0.60m
2:56PM-0.57m
2:29AM-0.61m
3:37PM-0.61m
3:14AM-0.59m
4:19PM-0.64m
4:06AM-0.56m
5:04PM-0.64m
5:04AM-0.52m
5:53PM-0.64m
6:09AM-0.49m
6:50PM-0.63m
7:22AM-0.49m
7:50PM-0.64m
8:30AM-0.52m
8:47PM-0.67m
9:31AM-0.55m
9:41PM-0.73m
Wave
height (m) 
direction
period (s) 
1.2
ESE
6
1.3
ESE
6
1.3
ESE
8
1.1
ESE
8
0.9
ESE
9
1
ESE
9
0.8
ESE
9
0.8
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.9
E
10
2.3
ENE
7
2.4
ENE
8
1.9
E
9
1.7
E
9
1.5
E
9
1.1
E
9
0.9
E
9
0.9
E
9
0.8
E
9
0.8
E
9
0.7
E
9
0.7
E
8
0.7
E
8
0.6
E
8
0.6
E
8
0.5
E
9
0.5
E
9
0.4
ESE
8
0.5
E
9
1
NE
6
1.3
ENE
7
1
E
7
0.8
E
7
0.7
E
7
cloud
rain showers
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
cloudy
rain shwrs
rain shwrs
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
 km/h
15
SE
20
SSE
15
SSW
15
W
15
NW
15
N
10
NE
5
ENE
5
SW
10
NNW
10
NE
15
NNE
30
NE
30
NE
15
E
15
E
10
ENE
5
NW
10
N
15
ENE
5
NNE
5
N
10
E
10
SW
10
WSW
10
SW
10
W
10
WNW
5
W
10
NW
15
NNE
15
NE
15
NE
10
NE
10
ENE
10
S
 mm 
1
1
max°C
22
22
21
20
20
13
15
16
15
17
18
17
16
17
19
19
19
18
19
18
17
19
20
19
22
23
21
22
24
23
21
19
19
19
19
20
Moonrise
6:12
7:07
7:59
8:46
9:28
10:05
10:38
11:08
11:37
12:06
12:37
1:12
Moonset
4:11
5:01
5:55
6:53
7:53
8:54
9:54
10:53
11:54
12:56
2:01
Sunrise
7:16
7:16
7:16
7:18
7:18
7:18
7:18
7:20
7:20
7:20
7:20
7:20
Sunset
5:27
5:28
5:28
5:29
5:29
5:30
5:30
5:30
5:31
5:31
5:32
5:32
Today's sea temperature in Saint Johns River at Navy degaussing structure is
14.9° C
(Statistics for 18 Dec 1981-2005 – mean: 21.7 max: 23.9 min: 19.5°C)
Issued (local time): 6 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest