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 — and sunset is at 07:30 PM.

Days 1–4 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Warm air temperatures (max 25°C on Thu afternoon, min 24°C on Thu night). Mainly fresh winds.

Days 5–7 Weather Summary

Light rain (total 5mm), mostly falling on Tue morning. Warm air temperatures (max 24°C on Sun afternoon, min 23°C on Tue morning). Mainly fresh winds.

Days 8–10 Weather Summary

Light rain (total 7mm), mostly falling on Thu night. Warm (max 25°C on Thu night, min 23°C on Wed night). Mainly fresh winds.

Days 11–13 Weather Summary

Light rain (total 2mm), mostly falling on Sun night. Warm (max 24°C on Sat afternoon, min 24°C on Sat afternoon). Mainly fresh winds.

Thu
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
Tue
9
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
Wave Height Map
High Tide
7:38PM0.67m
7:53AM0.46m
8:14PM0.63m
8:32AM0.40m
8:59PM0.59m
9:26AM0.35m
9:59PM0.54m
10:51AM0.31m
11:23PM0.51m
12:42PM0.32m
00:56AM0.52m
2:11PM0.40m
2:13AM0.56m
3:10PM0.50m
3:12AM0.61m
3:56PM0.61m
4:01AM0.65m
4:37PM0.70m
4:46AM0.66m
5:16PM0.77m
5:28AM0.65m
5:54PM0.81m
6:09AM0.62m
Low Tide
1:11PM-0.06m
2:00AM-0.03m
1:41PM-0.03m
2:42AM0.00m
2:15PM0.01m
3:36AM0.04m
3:00PM0.06m
4:56AM0.08m
4:14PM0.12m
6:42AM0.06m
6:17PM0.13m
8:02AM0.01m
7:59PM0.09m
8:56AM-0.05m
9:05PM0.02m
9:39AM-0.12m
9:58PM-0.05m
10:18AM-0.16m
10:46PM-0.10m
10:55AM-0.19m
11:30PM-0.14m
11:31AM-0.19m
00:12AM-0.16m
Wave
height (m) 
direction
period (s) 
1.9
NE
9
2
ENE
9
2
ENE
9
2
ENE
8
1.9
ENE
8
2.1
NNE
11
2.1
NW
15
2.1
NW
14
1.9
NW
13
1.8
NW
12
1.8
NW
11
1.9
NNW
10
1.8
NNW
10
1.9
NNW
11
2.2
N
10
2.3
N
11
2.5
N
11
3
NNE
11
2.5
NNE
11
2.5
NNE
12
2.5
NNE
12
2.4
NNE
12
2.3
NNE
12
2.3
NE
12
2.4
NE
11
2.5
ENE
10
2.5
ENE
10
2.5
ENE
10
2.5
ENE
10
2.4
ENE
10
2.3
ENE
10
2.4
ENE
10
2.3
ENE
9
2.3
ENE
9
2.2
ENE
9
2.2
ENE
9
clear
part cloud
thunderstorm
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
rain showers
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
part cloud
rain showers
part cloud
clear
clear
clear
clear
some clouds
risk tstorm
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
risk tstorm
risk tstorm
risk tstorm
clear
clear
clear
clear
rain shwrs
clear
clear
risk tstorm
risk tstorm
clear
clear
clear
clear
clear
clear
some clouds
rain shwrs
some clouds
clear
clear
clear
 km/h
30
E
30
E
30
E
25
E
30
E
30
E
25
E
30
E
25
E
25
E
25
ENE
20
ENE
25
NE
30
ENE
30
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
E
25
E
30
E
35
E
35
E
35
ENE
35
E
30
ENE
30
ENE
35
ENE
35
ENE
35
ENE
35
ENE
30
ENE
 mm 
2.0
1.0
1.0
3
1.0
3
3
2.0
max°C
25
25
25
25
25
24
24
24
24
24
24
24
24
24
23
23
24
24
24
24
24
24
25
25
25
24
24
24
24
24
24
24
24
24
24
24
Moonrise
10:41
11:37
12:35
1:33
2:31
3:25
4:15
5:01
5:44
6:26
7:08
7:51
Moonset
9:22
10:04
10:52
11:45
12:43
1:45
2:49
3:52
4:54
5:55
6:55
7:56
8:58
Sunrise
7:13
7:13
7:13
7:11
7:11
7:09
7:09
7:09
7:07
7:07
7:07
7:05
Sunset
7:30
7:30
7:30
7:30
7:30
7:30
7:30
7:30
7:30
7:31
7:31
7:31
Today's sea temperature in Johnston Atoll is 25.9 °C (Statistics for 28 Mar 1981-2005 – mean: 25.5 max: 26.4 min: 24.8°C)
Nearest