Johnston Atoll Sea Conditions and Tide Table

Johnston Atoll 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 06:45 AM and sunset is at 07:45 PM.

Days 1–3 Weather Summary

Light rain (total 8mm), mostly falling on Tue night. Warm air temperatures (max 26°C on Sun afternoon, min 25°C on Sun morning). Mainly fresh winds.

Days 4–6 Weather Summary

Some drizzle, heaviest during Wed night. Warm air temperatures (max 26°C on Wed afternoon, min 25°C on Wed morning). Mainly fresh winds.

Days 7–9 Weather Summary

Mostly dry. Warm (max 26°C on Sat afternoon, min 25°C on Sat morning). Mainly fresh winds.

Days 10–12 Weather Summary

Light rain (total 4mm), mostly falling on Thu afternoon. Warm (max 26°C on Tue morning, min 25°C on Tue morning). Mainly fresh winds.

Days 13–16 Weather Summary

Light rain (total 2mm), mostly falling on Sat night. Warm (max 26°C on Fri afternoon, min 25°C on Fri morning). Mainly fresh winds.

Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Mon
8
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
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High Tide
1:16PM0.52m
1:06AM0.44m
2:08PM0.58m
2:08AM0.43m
2:52PM0.62m
3:01AM0.43m
3:30PM0.66m
3:47AM0.43m
4:06PM0.69m
4:29AM0.44m
4:40PM0.70m
5:08AM0.44m
5:14PM0.70m
5:45AM0.44m
5:48PM0.69m
6:22AM0.44m
6:23PM0.68m
6:59AM0.43m
6:58PM0.66m
7:39AM0.43m
7:35PM0.64m
8:22AM0.43m
8:15PM0.61m
9:11AM0.43m
8:59PM0.58m
10:05AM0.45m
9:50PM0.54m
11:05AM0.49m
Low Tide
6:37AM0.02m
7:33PM0.14m
7:29AM0.02m
8:35PM0.10m
8:14AM0.02m
9:25PM0.06m
8:55AM0.02m
10:06PM0.02m
9:33AM0.01m
10:43PM-0.02m
10:09AM0.01m
11:18PM-0.05m
10:44AM0.00m
11:52PM-0.06m
11:19AM0.00m
00:26AM-0.07m
11:54AM0.01m
1:00AM-0.06m
12:30PM0.02m
1:37AM-0.05m
1:07PM0.05m
2:14AM-0.03m
1:47PM0.08m
2:55AM-0.02m
2:36PM0.12m
3:39AM0.00m
3:35PM0.15m
4:28AM0.01m
Wave
Height (m)
Direction
Period (s)
2.2
ENE
9
2.1
ENE
9
2.4
ENE
9
2.3
ENE
9
2.1
ENE
9
2.1
ENE
8
2.2
NW
16
2.2
NW
15
2.4
NW
14
2.2
WNW
13
2.2
WNW
12
2.2
WNW
12
2.2
WNW
12
2.1
N
9
2.1
ENE
8
2.1
ENE
8
2.1
ENE
8
1.9
S
17
1.8
ENE
8
1.8
ENE
8
1.7
ENE
8
1.7
ENE
8
1.7
ESE
11
1.7
S
18
1.7
S
17
1.7
S
16
1.6
S
15
1.6
S
18
1.6
S
18
1.6
S
16
1.6
S
16
1.6
S
15
1.6
S
15
1.6
SSW
14
1.8
SSW
14
2.1
E
7
2.3
E
8
2.2
E
8
2.3
E
8
2.3
E
8
2.1
E
8
2.2
E
8
2.2
E
8
2.2
E
8
2.2
E
8
2.1
E
8
2
E
8
clear
part cloud
rain showers
rain showers
cloud
part cloud
part cloud
clear
rain showers
part cloud
clear
rain showers
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
part cloud
part cloud
part cloud
clear
some clouds
rain shwrs
rain shwrs
cloudy
some clouds
some clouds
clear
rain shwrs
some clouds
clear
rain shwrs
clear
clear
clear
clear
some clouds
clear
some clouds
clear
clear
clear
some clouds
some clouds
clear
some clouds
clear
clear
clear
clear
some clouds
clear
clear
clear
risk tstorm
risk tstorm
clear
clear
clear
clear
clear
risk tstorm
risk tstorm
clear
some clouds
some clouds
some clouds
km/h
25
ENE
25
E
35
E
30
E
25
E
30
ENE
30
ENE
25
ENE
35
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
E
30
ENE
30
ENE
25
ENE
25
ENE
25
E
25
E
25
E
25
ENE
25
ENE
25
E
20
E
20
E
25
E
25
E
25
ENE
30
ENE
25
ENE
30
E
25
E
35
E
40
ENE
35
E
35
ENE
35
ENE
30
ENE
30
ENE
30
E
30
E
30
E
30
E
30
E
30
ENE
2
2
4
1
3
1
1
1
max °C
25
26
25
25
26
26
26
25
25
25
26
26
26
26
26
26
25
26
25
26
26
25
26
25
25
26
26
26
26
26
26
26
26
26
26
26
25
26
26
26
26
26
26
26
26
26
26
Moonrise
2:36
3:26
4:15
5:05
5:55
6:48
7:41
8:34
9:25
10:13
10:58
11:39
12:18
12:54
1:30
Moonset
2:21
2:56
3:31
4:06
4:43
5:22
6:05
6:52
7:43
8:35
9:28
10:21
11:13
12:04
12:55
1:47
Sunrise
6:45
6:43
6:43
6:43
6:43
6:43
6:43
6:43
6:43
6:43
6:43
6:43
6:43
6:43
6:43
6:43
Sunset
7:45
7:45
7:45
7:45
7:45
7:45
7:46
7:46
7:46
7:47
7:47
7:47
7:49
7:49
7:49
7:50
Today's sea temperature in Johnston Atoll is
27.2° C
(Statistics for 24 May 1981-2005 – mean: 26.4 max: 27.8 min: 25.4°C)
Issued (local time): 1 am Sunday 24 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest