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Marine Weather and Tide Forecast for Bolivar Peninsula, TX

June 18, 2025 12:34 PM CDT (17:34 UTC)
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Sunrise 6:18 AM   Sunset 8:22 PM
Moonrise 12:05 AM   Moonset 12:16 PM 
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NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.

Marine Forecasts
   
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NOTE: Zones were updated 3/20/2025
GMZ335 Galveston Bay- 1241 Am Cdt Wed Jun 18 2025

.small craft should exercise caution - .

Rest of tonight - South winds 15 to 20 knots. Bay waters choppy.

Wednesday - South winds 15 knots. Bay waters slightly choppy to choppy.

Wednesday night - South winds 10 to 15 knots. Bay waters slightly choppy.

Thursday - South winds around 10 knots. Bay waters smooth to slightly choppy. A chance of showers and Thunderstorms.

Thursday night - South winds around 10 knots. Bay waters smooth to slightly choppy. A chance of showers and Thunderstorms early in the evening.

Friday - South winds around 10 knots. Bay waters smooth to slightly choppy.

Friday night - South winds around 10 knots. Bay waters smooth to slightly choppy.

Saturday - South winds 10 to 15 knots. Bay waters slightly choppy.

Saturday night - Southeast winds 10 to 15 knots. Bay waters slightly choppy.

Sunday - Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and Thunderstorms.

Sunday night - Southeast winds 10 to 15 knots. Bay waters slightly choppy.
winds and waves higher in and near Thunderstorms.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 1241 Am Cdt Wed Jun 18 2025

Synopsis for high island to the matagorda ship channel out 60 nm including galveston and matagorda bays
onshore flow is expected for the next several days. Winds and seas will be a touch higher through the day Wednesday before settling down later in the week. Isolated to scattered showers and Thunderstorms are a daily possibility, though chances generally increase early next week.

7 Day Forecast for Marine Location Near Bolivar Peninsula CDP, TX
   
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NEW! Add second zone forecast

Tide / Current for Gilchrist, East Bay, Texas
  
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Gilchrist
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Wed -- 01:05 AM CDT     Moonrise
Wed -- 06:18 AM CDT     Sunrise
Wed -- 07:35 AM CDT     0.29 feet Low Tide
Wed -- 01:15 PM CDT     Moonset
Wed -- 02:10 PM CDT     1.09 feet High Tide
Wed -- 02:20 PM CDT     Last Quarter
Wed -- 08:20 PM CDT     Sunset
Wed -- 09:48 PM CDT     0.49 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Gilchrist, East Bay, Texas does not exist in database. Press Edit above and select a valid nearby location.

Gilchrist, East Bay, Texas, Tide feet
12
am
0.8
1
am
0.8
2
am
0.7
3
am
0.7
4
am
0.6
5
am
0.5
6
am
0.4
7
am
0.3
8
am
0.3
9
am
0.4
10
am
0.5
11
am
0.7
12
pm
0.9
1
pm
1
2
pm
1.1
3
pm
1.1
4
pm
1
5
pm
0.9
6
pm
0.7
7
pm
0.6
8
pm
0.5
9
pm
0.5
10
pm
0.5
11
pm
0.5

Tide / Current for Galveston Bay Entrance, Texas Current
  
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Galveston Bay Entrance
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Wed -- 01:06 AM CDT     Moonrise
Wed -- 03:14 AM CDT     -1.30 knots Max Ebb
Wed -- 06:19 AM CDT     Sunrise
Wed -- 07:31 AM CDT     0.00 knots Slack
Wed -- 10:43 AM CDT     1.22 knots Max Flood
Wed -- 01:16 PM CDT     Moonset
Wed -- 02:10 PM CDT     -0.00 knots Slack
Wed -- 02:20 PM CDT     Last Quarter
Wed -- 05:45 PM CDT     -1.06 knots Max Ebb
Wed -- 08:20 PM CDT     Sunset
Wed -- 10:04 PM CDT     0.00 knots Slack
Wed -- 11:26 PM CDT     0.28 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Galveston Bay Entrance, Texas Current does not exist in database. Press Edit above and select a valid nearby location.

Galveston Bay Entrance, Texas Current, knots
12
am
-0.8
1
am
-1.1
2
am
-1.2
3
am
-1.3
4
am
-1.3
5
am
-1
6
am
-0.7
7
am
-0.2
8
am
0.2
9
am
0.7
10
am
1.1
11
am
1.2
12
pm
0.9
1
pm
0.5
2
pm
0.1
3
pm
-0.3
4
pm
-0.7
5
pm
-1
6
pm
-1.1
7
pm
-1
8
pm
-0.8
9
pm
-0.4
10
pm
-0
11
pm
0.3

Area Discussion for Houston/Galveston, TX
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NOTE: mouseover dotted underlined text for definition
FXUS64 KHGX 181124 AFDHGX

Area Forecast Discussion National Weather Service Houston/Galveston TX 624 AM CDT Wed Jun 18 2025

New AVIATION

SYNOPSIS
Issued at 1232 AM CDT Wed Jun 18 2025

- Looking like a fairly "normal" summertime weather pattern in the area with mostly seasonable temperatures.
- Expect some diurnally driven showers/storms each day, mostly the isolated to scattered variety. Not everyone will see rain each day.
- Winds, seas, rip current risk may be somewhat higher than normal today, but should gradually trend back down a bit after that.

DISCUSSION
Issued at 1232 AM CDT Wed Jun 18 2025

Mid level ridge generally centered over Baja will gradually expand/move eastward into the Southern Plains later in the week, Tennessee Valley this weekend, then into northeast US early next week. Locally, we'll be situated under the ridge this week which should still allow for for some isolated/scattered, mainly daytime, shower and thunderstorm activity. Other than the seabreeze/baybreeze there aren't really any large scale focusing mechanisms for organized convection. Heading into the early/mid parts of next week with the ridge set up well to our east, we could see a longer deeper fetch of higher Gulf PWs set up and possibly lead to slightly higher coverage and/or rain chances. 47

SHORT TERM

LONG TERM

AVIATION
(12Z TAF Issuance)
Issued at 608 AM CDT Wed Jun 18 2025

MVFR CIGs should clear out over the next few hours with gusty southerly winds and VFR conditions prevailing throughout the daytime. Very light streamer showers will be possible near the coast early today. During the afternoon, a few thunderstorms could develop around the houston metro area. Short range models have backed off on storms for today, and while PoPs have trended downwards, a few stray thunderstorms aren't completely out of the question still. Any convection should taper off by the late afternoon/evening. Winds relax overnight as MVFR CIGs once again fill in across our northern 3 TAF sites (KCLL, KUTS, KCXO).

03

MARINE
Issued at 1232 AM CDT Wed Jun 18 2025

Moderate onshore flow prevails today with seas in the 3-5ft range.
Will check-in with the beach patrol in the morning, but wouldn't be surprised if we need to go with a high rip current statement during the day Thursday. The pressure gradient slightly weakens Friday into the weekend and would anticipate typical summertime marine conditions with 10-15kt sse winds 3-4ft seas. There will be some isolated-scattered storms around at times, but better chances probably early to mid next week. 47

PRELIMINARY POINT TEMPS/POPS
College Station (CLL) 92 76 92 75 / 10 0 20 0 Houston (IAH) 91 77 92 77 / 20 0 30 0 Galveston (GLS) 88 81 88 81 / 20 10 40 10

HGX WATCHES/WARNINGS/ADVISORIES
TX...None.
GM...Small Craft Should Exercise Caution until 3 PM CDT this afternoon for GMZ330-335-350-355-370-375.


Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
RLOT2 - 8770971 - Rollover Pass, TX 3 mi47 minS 9.9G13 30.02
HIST2 12 mi47 minS 11G14 30.01
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 13 mi47 minS 16G18 85°F29.99
GTOT2 17 mi47 minS 8G15 87°F29.99
42035 - GALVESTON 22NM East of Galveston, TX 19 mi35 minSSE 12G14 83°F 84°F30.0078°F
EPTT2 - 8771013 - Eagle Point, TX 19 mi47 minS 12G16 85°F29.98
GRRT2 22 mi47 minSSE 8.9G13 85°F29.99
KGVW 25 mi40 minSSE 12 86°F 75°F
MGPT2 - 8770613 - Morgans Point, TX 26 mi47 minSSE 6G11 84°F30.01
TXPT2 40 mi47 minS 9.9G14 86°F30.00
LUIT2 41 mi47 minSSE 9.9G15 83°F30.01
NCHT2 - 8770777 - Manchester, TX 41 mi47 minSSW 8.9G15 83°F29.99
PORT2 - 8770475 - Port Arthur, TX 42 mi47 minS 9.9G13 81°F30.01


Wind History for Rollover Pass, TX
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Airport Reports
   
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KGLS SCHOLES INTL AT GALVESTON,TX 22 sm42 minS 1210 smOvercast90°F81°F75%30.03

Weather Map
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GEOS Local Image of SouthCentralPlains  
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Houston/Galveston, TX,





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