Guam Sea Conditions and Tide Table

Guam 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

Heavy rain (total 35mm), heaviest during Sun afternoon. Warm air temperatures (max 29°C on Fri morning, min 27°C on Sun afternoon). Winds increasing (calm on Thu night, fresh winds from the S by Sun afternoon).

Days 5–7 Weather Summary

Heavy rain (total 197mm), heaviest during Mon night. Warm air temperatures (max 28°C on Sun night, min 25°C on Mon night). Winds increasing (moderate winds from the SSW on Mon night, strong winds from the SSW by Wed morning).

Days 8–10 Weather Summary

Heavy rain (total 56mm), heaviest during Wed night. Warm (max 29°C on Fri morning, min 26°C on Wed night). Winds decreasing (strong winds from the SW on Wed night, light winds from the WSW by Sat afternoon).

Days 11–13 Weather Summary

Moderate rain (total 18mm), heaviest on Mon morning. Warm (max 29°C on Sat night, min 28°C on Sun night). Wind will be generally light.

Days 14–17 Weather Summary

Light rain (total 6mm), mostly falling on Tue night. Warm (max 29°C on Wed morning, min 28°C on Tue night). Mainly fresh winds.

Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Sat
5
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
night
AM
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
00:33AM0.65m
4:17PM0.56m
1:25AM0.63m
5:28PM0.60m
2:30AM0.62m
6:15PM0.63m
3:38AM0.63m
6:51PM0.66m
4:36AM0.65m
7:22PM0.69m
7:49PM0.70m
8:13PM0.71m
8:34PM0.72m
7:41AM0.71m
8:55PM0.72m
8:28AM0.71m
9:15PM0.71m
9:18AM0.69m
9:36PM0.71m
10:14AM0.66m
10:00PM0.71m
11:19AM0.63m
10:28PM0.71m
12:39PM0.61m
11:01PM0.70m
Low Tide
8:25AM0.09m
8:12PM0.51m
9:28AM0.07m
9:45PM0.52m
10:27AM0.04m
10:57PM0.51m
11:17AM0.01m
11:49PM0.48m
12:01PM-0.02m
00:29AM0.45m
12:39PM-0.04m
1:04AM0.42m
1:14PM-0.04m
1:36AM0.37m
1:47PM-0.03m
2:08AM0.32m
2:20PM0.02m
2:41AM0.25m
2:52PM0.08m
3:17AM0.18m
3:25PM0.16m
3:57AM0.12m
4:00PM0.25m
4:42AM0.07m
4:39PM0.34m
5:36AM0.03m
5:24PM0.44m
6:39AM0.00m
Wave
Height (m)
Direction
Period (s)
0.9
SW
8
1.3
ESE
11
1.4
ESE
10
1.4
ESE
8
1.9
SSE
9
2
S
8
2
S
8
2
S
8
1.9
S
8
2.3
SSW
8
2
SSW
8
1.9
SSW
8
1.9
SW
8
1.9
SW
9
2
SW
9
2.2
SW
8
2.4
SW
8
2.4
WSW
8
2.5
WSW
8
3
WSW
8
3
WSW
9
3
WSW
9
2.5
WSW
9
2.4
WSW
9
2.1
WNW
11
1.8
NW
11
1.7
WNW
11
1.4
W
10
1.3
WSW
10
1.3
WSW
10
1.3
WNW
10
1.2
NW
10
1.3
WNW
10
1.3
WNW
10
1.3
NW
10
1.2
NW
10
1.1
WNW
10
1.2
WNW
10
1.1
NNW
13
1.2
NW
11
1.3
NW
13
1.3
WNW
11
1.4
NW
13
1.5
NW
14
1.4
NW
13
1.4
NW
13
1.4
NW
12
thunderstorm
part cloud
thunderstorm
part cloud
rain showers
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
clear
clear
rain showers
part cloud
part cloud
part cloud
part cloud
risk tstorm
some clouds
risk tstorm
some clouds
rain shwrs
mod rain
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
mod rain
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
some clouds
some clouds
clear
some clouds
some clouds
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
some clouds
clear
clear
clear
rain shwrs
some clouds
some clouds
some clouds
some clouds
km/h
5
ESE
5
SW
10
WSW
15
SW
25
SW
25
SW
30
SW
30
SW
25
SSW
35
SSW
30
SW
30
SW
20
SSW
30
SW
30
SW
35
SW
45
SSW
40
SW
45
SW
45
SW
45
SW
45
SW
40
SSW
30
SW
25
SW
25
SW
20
SW
20
WSW
20
WSW
25
W
20
WSW
25
WSW
25
WSW
25
WSW
30
SW
30
WSW
20
SW
25
SSW
20
SW
15
SW
20
SW
15
SW
15
WSW
20
WSW
20
WSW
25
WSW
30
WSW
 mm
1
1
1
8
9
4
11
1
2
5
87
14
7
28
38
15
22
12
4
11
3
2
2
2
3
1
6
1
3
6
1
1
max °C
28
29
29
29
29
29
29
29
28
28
28
28
26
26
27
27
26
26
27
27
28
28
29
29
29
29
29
29
29
29
29
29
29
29
29
29
28
29
29
28
29
29
28
29
29
29
29
Moonrise
1:18
2:11
3:02
3:50
4:37
5:19
5:59
6:37
7:15
7:53
8:32
9:15
10:02
10:54
11:52
Moonset
11:56
12:45
1:36
2:28
3:21
4:14
5:05
5:55
6:45
7:35
8:26
9:19
10:16
11:16
12:18
1:22
Sunrise
6:09
6:09
6:09
6:09
6:09
6:09
6:09
6:09
6:09
6:09
6:09
6:09
6:09
6:09
6:09
6:09
Sunset
6:38
6:38
6:37
6:37
6:37
6:36
6:36
6:35
6:35
6:34
6:32
6:32
6:31
6:30
6:30
Today's sea temperature in Guam is
29.4° C
(Statistics for 20 Aug 1981-2005 – mean: 29.2 max: 30.2 min: 28.1°C)
Issued (local time): 9 pm Thursday 20 Aug 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest