Rongelap Sea Conditions and Tide Table

Rongelap 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 —.

Days 1–4 Weather Summary

Mostly dry. Warm air temperatures (max 27°C on Sun night, min 26°C on Sun night). Winds decreasing (fresh winds from the NE on Mon morning, light winds from the NNE by Wed afternoon).

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 27°C on Fri night, min 25°C on Wed night). Mainly fresh winds.

Days 8–10 Weather Summary

Some drizzle, heaviest during Sat night. Warm (max 27°C on Sat night, min 26°C on Sun night). Mainly fresh winds.

Days 11–13 Weather Summary

Light rain (total 2mm), mostly falling on Tue night. Warm (max 27°C on Tue night, min 26°C on Tue night). Wind will be generally light.

Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Fri
2
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
5:18AM0.87m
5:26PM1.24m
5:51AM0.87m
5:59PM1.22m
6:26AM0.86m
6:34PM1.18m
7:04AM0.84m
7:12PM1.12m
7:50AM0.83m
7:57PM1.04m
8:46AM0.82m
8:51PM0.94m
9:59AM0.83m
10:05PM0.84m
11:23AM0.88m
11:37PM0.78m
12:42PM0.98m
1:05AM0.78m
1:46PM1.11m
2:15AM0.82m
2:41PM1.23m
3:14AM0.87m
3:29PM1.34m
Low Tide
11:24PM-0.12m
11:02AM-0.04m
11:56PM-0.10m
11:36AM-0.02m
00:30AM-0.07m
12:11PM0.03m
1:05AM-0.02m
12:49PM0.09m
1:45AM0.03m
1:36PM0.17m
2:32AM0.08m
2:36PM0.25m
3:29AM0.13m
4:01PM0.30m
4:38AM0.16m
5:44PM0.28m
5:54AM0.15m
7:15PM0.18m
7:05AM0.10m
8:23PM0.04m
8:05AM0.03m
9:19PM-0.09m
8:59AM-0.04m
Wave
height (m) 
direction
period (s) 
1.4
NE
12
1.6
NE
12
1.6
NE
12
1.6
NNE
11
1.6
N
11
1.6
N
11
1.4
N
10
1.3
N
10
1.4
N
11
1.4
N
10
1.5
N
13
1.5
N
12
1.4
NNE
11
1.3
NNE
12
1.3
NNE
12
1.7
N
15
2
N
14
2
N
14
1.9
N
13
1.8
N
12
1.7
N
12
1.6
N
11
1.5
N
11
1.5
N
10
1.3
NNE
10
1.3
NNE
10
1.3
NNE
10
1.6
NNE
17
1.9
NNE
16
1.9
NNE
15
1.8
NNE
15
1.6
NNE
14
1.5
NNE
14
1.5
NNE
14
1.5
NNE
13
1.5
NNE
13
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
thunderstorm
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
thunderstorm
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
thunderstorm
clear
clear
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
risk tstorm
clear
clear
clear
clear
some clouds
clear
some clouds
some clouds
risk tstorm
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
risk tstorm
 km/h
25
NNE
35
NE
30
NE
20
NE
25
NNE
20
NNE
20
NE
20
NE
15
NNE
20
NE
20
NE
25
NE
25
NE
25
NE
25
ENE
30
ENE
30
ENE
30
ENE
35
ENE
30
ENE
30
E
30
ENE
30
ENE
25
E
25
E
25
ENE
20
ENE
25
ENE
20
ENE
20
ENE
25
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
E
 mm 
1
1
1
max°C
27
26
26
26
26
26
26
26
26
26
25
26
26
26
26
27
27
27
27
27
27
27
27
27
27
27
27
27
26
27
27
26
26
26
26
26
Moonrise
8:41
9:28
10:12
10:53
11:33
12:12
12:52
1:35
2:22
3:14
4:14
5:19
Moonset
8:22
9:15
10:06
10:56
11:45
12:35
1:27
2:22
3:22
4:26
5:34
Sunrise
7:05
7:05
7:07
7:07
7:07
7:07
7:09
7:09
7:09
7:09
7:09
7:11
Sunset
6:34
6:35
6:35
6:36
6:36
6:37
6:37
6:37
6:37
6:38
6:39
6:39
Today's sea temperature in Rongelap is
28.4° C
(Statistics for 21 Dec 1981-2005 – mean: 27.9 max: 28.5 min: 27.2°C)
Issued (local time): 11 pm Sunday 21 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest