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 07:07 AM and sunset is at 07:08 PM.

Days 1–3 Weather Summary

Moderate rain (total 11mm), heaviest on Thu morning. Warm air temperatures (max 27°C on Fri afternoon, min 26°C on Thu morning). Mainly fresh winds.

Days 4–6 Weather Summary

Light rain (total 6mm), mostly falling on Sun night. Warm air temperatures (max 26°C on Sun morning, min 26°C on Sun morning). Mainly fresh winds.

Days 7–9 Weather Summary

Mostly dry. Warm (max 26°C on Wed morning, min 26°C on Wed morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 27°C on Sun night, min 25°C on Sat night). Mainly fresh winds.

Thursday
28
Friday
29
Saturday
30
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
Monday
9
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
5:01AM0.81m
5:09PM0.81m
5:38AM0.86m
5:48PM0.79m
6:15AM0.88m
6:27PM0.74m
6:51AM0.87m
7:04PM0.67m
7:26AM0.84m
7:42PM0.60m
8:03AM0.77m
8:22PM0.52m
8:44AM0.69m
9:11PM0.45m
9:34AM0.62m
10:23PM0.40m
10:48AM0.55m
00:22AM0.39m
12:28PM0.53m
2:04AM0.44m
1:52PM0.56m
2:56AM0.51m
2:47PM0.60m
3:30AM0.58m
Low Tide
11:05AM-0.02m
11:20PM-0.10m
11:47AM-0.04m
11:53PM-0.09m
12:28PM-0.03m
00:26AM-0.05m
1:08PM-0.00m
00:58AM-0.00m
1:48PM0.05m
1:30AM0.06m
2:31PM0.10m
2:02AM0.12m
3:20PM0.16m
2:39AM0.20m
4:31PM0.21m
3:35AM0.26m
6:23PM0.23m
5:43AM0.30m
7:52PM0.20m
7:42AM0.27m
8:42PM0.15m
8:42AM0.22m
9:18PM0.11m
Wave
height (m) 
direction
period (s) 
2
E
8
1.9
E
8
1.7
E
8
1.6
SE
9
1.6
SE
10
1.5
SE
10
1.6
E
9
1.6
ESE
9
1.7
ESE
9
1.8
ESE
9
1.9
ESE
9
2.1
NE
11
2.2
NNE
12
2.1
NE
12
2.1
ENE
12
2.1
NW
14
2
NW
14
1.8
NW
12
1.7
NW
12
1.7
NNW
11
1.5
NNW
11
1.4
NNW
10
1.4
N
10
1.4
NNE
10
1.5
N
9
1.5
NNE
9
1.6
NE
9
1.7
ESE
13
1.8
N
12
1.9
N
13
1.9
NNW
13
1.8
NNW
12
1.7
NNW
12
1.7
NNW
11
1.7
N
11
1.9
NNW
13
thunderstorm
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
thunderstorm
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
risk tstorm
clear
clear
clear
clear
risk tstorm
risk tstorm
risk tstorm
risk tstorm
clear
clear
risk tstorm
risk tstorm
clear
clear
risk tstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
 km/h
30
E
25
E
25
E
20
E
20
ESE
20
E
25
E
25
E
25
E
30
E
30
E
30
E
30
E
25
ENE
30
E
25
ENE
25
E
20
ENE
15
ENE
15
ENE
20
E
15
E
15
E
15
E
25
ESE
20
E
20
ENE
25
ENE
25
ENE
25
ENE
25
ENE
20
ENE
25
ENE
25
ENE
25
ENE
25
ENE
 mm 
2.0
6
1.0
1.0
1.0
3
1.0
2.0
max°C
26
26
26
26
27
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
27
26
26
26
Moonrise
7:02
7:44
8:25
9:09
9:56
10:46
11:39
12:33
1:28
2:21
3:12
Moonset
6:29
7:29
8:28
9:28
10:28
11:28
12:27
1:22
2:14
3:01
3:44
4:21
Sunrise
7:07
7:07
7:07
7:07
7:07
7:07
7:07
7:07
7:07
7:09
7:09
7:09
Sunset
7:08
7:07
7:07
7:07
7:06
7:05
7:04
7:04
7:02
7:01
7:00
7:00
Today's sea temperature in Johnston Atoll is 27.8 °C (Statistics for 28 Sep 1981-2005 – mean: 27.9 max: 28.8 min: 27.1°C)
Nearest