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 07:52 PM.

Days 1–4 Weather Summary

Mostly dry. Warm air temperatures (max 27°C on Thu afternoon, min 26°C on Tue night). Mainly fresh winds.

Days 5–7 Weather Summary

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

Days 8–10 Weather Summary

Light rain (total 2mm), mostly falling on Tue night. Warm (max 26°C on Mon night, min 26°C on Mon night). Mainly fresh winds.

Days 11–13 Weather Summary

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

Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sun
30
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
High Tide
3:54AM0.43m
4:09PM0.71m
4:42AM0.44m
4:51PM0.74m
5:27AM0.45m
5:32PM0.76m
6:11AM0.47m
6:14PM0.76m
6:56AM0.49m
Low Tide
10:12PM0.02m
9:35AM0.03m
10:53PM-0.03m
10:18AM0.01m
11:34PM-0.07m
11:01AM-0.00m
00:14AM-0.10m
11:44AM-0.01m
00:55AM-0.11m
12:29PM-0.00m
Wave
height (m) 
direction
period (s) 
1.6
WNW
11
1.7
NNE
9
1.8
E
7
1.9
E
8
1.9
E
8
1.9
E
8
1.9
E
8
1.9
E
8
1.8
E
8
2.1
E
8
2.1
E
8
2
E
8
2
E
8
2
E
8
2
E
8
2
E
8
1.9
ENE
8
2
ENE
8
2.1
ENE
8
2.1
ENE
9
2.1
ENE
9
2.2
ENE
8
2.1
ENE
8
2.1
ENE
8
2
ENE
8
2
ENE
8
2
ENE
8
2.1
ENE
8
2
ENE
8
2
ENE
8
2
ESE
10
1.9
SSE
14
1.8
SSE
13
1.8
S
13
1.7
S
12
1.7
NNE
9
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
thunderstorm
clear
clear
clear
clear
clear
part cloud
part cloud
clear
rain showers
clear
rain showers
clear
clear
clear
rain showers
clear
clear
thunderstorm
thunderstorm
clear
thunderstorm
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
some clouds
clear
clear
clear
risk tstorm
clear
clear
clear
clear
clear
some clouds
some clouds
clear
rain shwrs
clear
rain shwrs
clear
clear
clear
rain shwrs
clear
clear
risk tstorm
risk tstorm
clear
risk tstorm
some clouds
clear
 km/h
25
E
30
E
30
E
30
E
35
E
30
E
35
E
30
E
30
ENE
35
E
30
E
25
E
35
E
30
E
30
E
30
E
25
ENE
30
E
30
E
30
ENE
30
E
30
E
25
E
35
E
30
E
30
E
30
E
30
E
25
E
25
E
30
E
30
E
25
E
25
E
25
E
25
E
 mm 
1.0
1.0
1.0
1.0
1.0
2.0
2.0
max°C
26
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
26
26
26
Moonrise
5:13
6:10
7:10
8:10
9:08
10:02
10:52
11:36
12:17
12:57
1:36
2:16
Moonset
3:55
4:37
5:26
6:21
7:21
8:25
9:28
10:30
11:29
12:26
1:22
2:19
3:17
Sunrise
6:45
6:46
6:46
6:46
6:46
6:47
6:47
6:47
6:47
6:48
6:48
6:48
Sunset
7:52
7:52
7:52
7:52
7:53
7:53
7:53
7:53
7:53
7:53
7:54
7:54
7:54
Today's sea temperature in Johnston Atoll is 27.6 °C (Statistics for 18 Jun 1981-2005 – mean: 26.7 max: 27.5 min: 25.8°C)
Nearest