Round Point, Trinity Bay, Galveston Bay (sub) Sea Conditions and Tide Table

Round Point, Trinity Bay, Galveston Bay (sub) 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 05:22 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Thu afternoon, min 8°C on Fri morning). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 10mm), heaviest on Sun afternoon. Warm air temperatures (max 23°C on Sun morning, min 19°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 22°C on Wed afternoon, min 19°C on Wed morning). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 23mm), heaviest during Mon night. Warm (max 22°C on Sat morning, min 18°C on Mon night). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
4:10AM0.28m
4:43AM0.27m
10:40AM0.25m
5:21AM0.27m
11:28AM0.25m
6:05AM0.26m
6:50AM0.25m
12:23PM0.24m
7:28AM0.24m
12:41PM0.23m
7:53AM0.23m
8:10AM0.21m
8:18AM0.20m
8:32PM0.12m
8:21AM0.18m
10:57PM0.16m
8:18AM0.19m
00:33AM0.22m
Low Tide
2:01PM-0.12m
2:33PM-0.13m
3:40AM0.25m
3:06PM-0.13m
3:22AM0.25m
3:41PM-0.13m
3:37AM0.24m
4:17PM-0.12m
4:13AM0.24m
4:54PM-0.11m
5:20AM0.23m
5:31PM-0.08m
6:12PM-0.04m
6:56PM0.01m
9:41AM0.08m
7:52PM0.08m
10:08AM0.01m
9:16PM0.14m
10:47AM-0.07m
11:40PM0.19m
Wave
height (m) 
direction
period (s) 
0.6
SSE
4
0.5
S
4
0.6
N
3
0.4
ENE
3
0.4
E
4
0.5
SE
4
0.5
SE
4
0.5
SSE
5
0.5
SSE
4
0.4
SSE
5
0.4
SSE
5
0.4
SSE
5
0.4
SSE
5
0.6
SSE
5
0.5
SE
5
0.5
SE
6
0.4
SE
6
0.5
SE
6
0.5
SE
8
0.5
SE
8
0.6
SE
8
0.5
SE
8
0.4
SE
8
0.6
SSE
4
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
7
0.5
SE
3
0.6
SE
4
0.6
SSE
5
0.8
SSE
6
0.8
SSE
6
0.7
SE
7
0.7
SSE
7
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
rain showers
thunderstorm
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
rain showers
part cloud
cloud
rain showers
rain showers
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
risk tstorm
risk tstorm
rain shwrs
risk tstorm
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
rain shwrs
some clouds
cloudy
rain shwrs
rain shwrs
 km/h
15
SSW
15
W
15
N
15
NE
10
S
10
SSE
15
SSW
20
S
10
S
5
S
10
S
10
SE
15
SSE
20
SSE
10
SE
15
SE
15
SE
10
ESE
10
ESE
15
SE
10
SE
10
SE
15
SSE
10
S
10
S
15
S
10
S
10
SSE
15
SSE
10
SE
15
SE
20
SSE
20
SE
25
SSE
20
SSE
5
SW
 mm 
2
4
2
2
1
4
16
max°C
21
24
18
12
14
18
23
23
21
23
23
22
22
21
20
22
22
20
21
22
20
22
22
22
22
22
21
22
22
21
22
22
21
22
20
19
Moonrise
6:05
7:00
7:52
8:39
9:21
9:58
10:31
11:02
11:31
12:01
12:32
1:08
Moonset
4:08
4:58
5:53
6:51
7:50
8:50
9:50
10:49
11:49
12:51
1:55
Sunrise
7:07
7:07
7:09
7:09
7:09
7:09
7:11
7:11
7:11
7:11
7:11
7:13
Sunset
5:22
5:22
5:22
5:23
5:23
5:24
5:24
5:25
5:25
5:27
5:28
5:28
Today's sea temperature in Round Point, Trinity Bay, Galveston Bay (sub) is
17.0° C
(Statistics for 18 Dec 1981-2005 – mean: 19.4 max: 21.1 min: 17.4°C)
Issued (local time): 5 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest