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 07:09 AM and sunset is at 05:22 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Sat afternoon, min 19°C on Sat morning). Wind will be generally light.

Days 4–6 Weather Summary

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

Days 7–9 Weather Summary

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

Days 10–12 Weather Summary

Moderate rain (total 10mm), heaviest on Wed morning. Warm (max 23°C on Mon night, min 10°C on Wed night). Wind will be generally light.

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
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
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
8:05AM0.20m
1:38AM0.27m
2:33AM0.30m
Low Tide
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
11:30AM-0.14m
12:18PM-0.20m
Wave
height (m) 
direction
period (s) 
0.5
SE
4
0.5
SSE
5
0.5
SSE
4
0.4
SSE
5
0.4
SSE
5
0.3
SSE
5
0.3
S
5
0.3
S
4
0.5
SE
4
0.5
SE
5
0.4
SE
6
0.4
SE
6
0.5
SE
4
0.5
SE
4
0.4
SE
7
0.4
SE
7
0.5
SE
7
0.5
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.3
SE
7
0.3
SE
7
0.3
SE
7
0.3
SE
6
0.3
SE
6
0.4
SE
3
0.4
SSE
5
0.5
SE
5
0.6
SSE
6
0.6
SSE
6
0.5
SSE
6
0.6
SSE
6
0.5
SSE
6
0.4
SSE
6
0.4
SSE
6
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
rain showers
light rain
light rain
clear
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
rain shwrs
light rain
light rain
clear
 km/h
15
S
25
S
10
SSW
10
SSW
5
SW
10
S
10
S
15
S
15
SSE
10
SSE
15
SSE
10
ESE
15
ESE
15
SSE
5
SE
10
SE
15
S
10
S
10
SSW
15
S
10
SSW
10
SSW
10
S
10
SSE
5
SE
15
SSE
10
SE
15
SE
20
SSE
15
SE
10
SE
15
SSE
10
SE
10
NNW
10
NW
15
NNW
 mm 
1
5
4
max°C
22
23
21
22
23
22
22
22
22
22
22
20
22
22
21
22
22
21
22
22
21
22
22
21
21
22
20
22
22
23
22
23
21
19
17
14
Moonrise
7:52
8:39
9:21
9:58
10:31
11:02
11:31
12:01
12:32
1:08
1:49
2:39
Moonset
5:53
6:51
7:50
8:50
9:50
10:49
11:49
12:51
1:55
3:04
4:16
Sunrise
7:09
7:09
7:09
7:09
7:11
7:11
7:11
7:11
7:11
7:13
7:13
7:13
Sunset
5:22
5:23
5:23
5:24
5:24
5:25
5:25
5:27
5:28
5:28
5:29
5:30
Today's sea temperature in Round Point, Trinity Bay, Galveston Bay (sub) is
16.9° C
(Statistics for 20 Dec 1981-2005 – mean: 19.3 max: 21.0 min: 17.4°C)
Issued (local time): 11 am Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest