Galveston, TX Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Galveston, TX

June 19, 2024 2:48 AM CDT (07:48 UTC) Change Location
Sunrise 6:18 AM   Sunset 8:22 PM
Moonrise 5:26 PM   Moonset 3:03 AM 
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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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GMZ375 Expires:202406191615;;270255 Fzus54 Khgx 190324 Cwfhgx
coastal waters forecast for texas national weather service houston/galveston tx 1024 pm cdt Tue jun 18 2024
upper texas coastal waters from high island to the matagorda ship channel out 60 nautical miles including galveston and matagorda bays.
seas are provided as a range of the average height of the highest 1/3 of the waves - .along with the occasional height of the average highest 10 percent of the waves.
gmz370-375-191615- waters from freeport to matagorda ship channel tx from 20 to 60 nm-waters from high island to freeport tx from 20 to 60 nm- 1024 pm cdt Tue jun 18 2024

.tropical storm warning in effect - .

Tonight - Tropical storm conditions expected. Northeast winds 30 to 35 knots with gusts up to 45 knots. Seas 10 to 13 feet, occasionally to 17 feet, building to 11 to 15 feet, occasionally to 19 feet after midnight. Wave detail: east 14 feet at 9 seconds. Thunderstorms likely. Showers.

Wednesday - Tropical storm conditions expected. East winds 30 to 40 knots with gusts up to 50 knots. Seas 13 to 18 feet, occasionally to 22 feet. Wave detail: east 17 feet at 10 seconds. Showers, Thunderstorms.

Wednesday night - Tropical storm conditions expected. East winds 30 to 35 knots, becoming 25 to 35 knots after midnight. Gusts to 50 knots. Seas 13 to 18 feet, occasionally to 23 feet, subsiding to 12 to 16 feet, occasionally to 20 feet after midnight. Wave detail: east 17 feet at 10 seconds. Showers with Thunderstorms likely in the evening, then showers with a chance of Thunderstorms after midnight.

Thursday - Tropical storm conditions possible. East winds around 30 knots, easing to 20 to 25 knots in the afternoon. Seas 9 to 13 feet, occasionally to 17 feet. Wave detail: east 13 feet at 10 seconds. A chance of Thunderstorms. Showers.

Thursday night - East winds 20 to 25 knots. Seas 8 to 11 feet, occasionally to 14 feet, subsiding to 7 to 9 feet, occasionally to 11 feet after midnight. Wave detail: east 10 feet at 9 seconds. A chance of Thunderstorms in the evening. Showers likely.

Friday - East winds 15 to 20 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave detail: east 8 feet at 9 seconds and south 1 foot at 7 seconds. Showers likely until late afternoon. A chance of Thunderstorms in the late morning and afternoon. A chance of showers late.

Friday night - East winds 15 to 20 knots, easing to around 15 knots after midnight. Seas 5 to 7 feet, occasionally to 9 feet. A chance of Thunderstorms until early morning. A chance of showers.

Saturday - East winds around 15 knots. Seas 5 to 6 feet, occasionally to 8 feet. A chance of showers. A chance of Thunderstorms in the afternoon.

Saturday night - East winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers and Thunderstorms early in the evening. A chance of showers and Thunderstorms after midnight.

Sunday - East winds 10 to 15 knots. Seas 4 to 5 feet. A chance of showers and Thunderstorms.

Sunday night - Southeast winds 10 to 15 knots. Seas around 5 feet. A chance of showers and Thunderstorms early in the evening. A chance of showers after midnight.
winds and seas higher in and near Thunderstorms.

GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 1024 Pm Cdt Tue Jun 18 2024

Synopsis for high island to the matagorda ship channel out 60 nm including galveston and matagorda bays
a broad area of low pressure over the southwestern gulf of mexico may become a tropical storm as it tracks towards the east central coast of mexico on Thursday. Highs winds, hazardous seas, and above normal coastal water levels are prevalent well north of this low pressure area. With the exception of galveston bay, a tropical storm warning is in effect over our coastal waters. Small craft advisory remains in effect for galveston bay, but some gusts above 35 knots are possible at times. Water levels will be rising and would anticipate some coastal flooding in the bays and along the beaches. Higher winds are possible in passing showers and Thunderstorms. Small craft should remain in port until weather conditions start improving later this week.


7 Day Forecast for Marine Location Near Galveston, TX
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Area Discussion for - Houston/Galveston, TX
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FXUS64 KHGX 190601 AFDHGX

Area Forecast Discussion National Weather Service Houston/Galveston TX 101 AM CDT Wed Jun 19 2024

New AVIATION

SHORT TERM
(This evening through Wednesday Night)
Issued at 300 PM CDT Tue Jun 18 2024

The immediate forecast concern continues to surround the approach of PTC One and its potential to bring periods of heavy rain, gusty winds, and coastal flooding to SE TX. Latest guidance continues to show the center of the aforementioned system maintaining its slow westward motion towards the Eastern Mexico coast, with recent analysis indicating the potential tropical storm force wind field extending over 300 nm from the center. As such, a Tropical Storm Warning has been for portions of the SE TX coast between Port O'Connor and San Luis Pass in addition to the warning that was already in effect over the coastal waters. The primary threats associated with this system, and their associated timing, are as follows:

* HEAVY RAIN: While models continue to show a trend of the highest rainfall amounts concentrating to our southwest, we continue to anticipate an expansion of shower/thunderstorm coverage between tonight and tomorrow afternoon, with the heaviest of rain still expected to fall closer to the immediate coast. With growing confidence in the shift of highest rainfall amounts to the south, we have cancelled the Flood Watch for locations north of the I-10 corridor. The greatest concern is for the areas in and around Matagorda Bay, where 4-6" of rain could fall (with locally higher amounts). For other locations along and south of the I-10 corridor, can now expect 2-4" of rain. Rainfall will taper off tomorrow night.

* WIND GUSTS: Sustained winds to tropical storm force will be possible tomorrow along the immediate coast between Port O'Connor and San Luis Pass, as well as for all offshore zones except Galveston Bay. For other coastal locations, winds could approach 30 knots with occasional gusts as high as 35 knots.
Further inland, sustained winds may reach up to 20 knots with some higher gusts at times.

* COASTAL FLOODING: Sustained strong onshore winds will produce coastal flooding, with the greatest inundation (2-4 ft) in and around Galveston Bay. Flood prone roadways like Hwy 87 along the Bolivar Peninsula may be impacted in addition to other low lying areas. The impacts will be greatest during tomorrow morning's high tide. Elsewhere, 1-3 ft of inundation are possible which may also impact low-lying and flood prone areas.

In general, the greatest impacts from this system will be felt overnight through tomorrow afternoon...with conditions beginning to improve roughly after sunset on Wednesday as the system pushes further inland. While PTC One may be designated as a Tropical Storm before it makes landfall and thus acquire a name, it's important to note that this will not change the expected impacts to our area. This is a time to be weather aware and prepared- have multiple ways to receive warnings and exercise caution if traveling. Remember the phrase, "Turn Around, Don't Drown". Never attempt to drive through a flooded roadway!

Just to note...overnight lows will remain in the upper 70s to 80 for tonight and tomorrow night, while tomorrow's highs will sit in the mid to upper 80s (with lower temperatures west of I-45, where rainfall coverage will be greater).

Cady

LONG TERM
(Thursday through next Monday)
Issued at 300 PM CDT Tue Jun 18 2024

Potential Tropical Cyclone One is expected to track into Mexico and dissipates during the second half of the work week. Impacts will begin to decrease as this system distances itself from the SE Texas coast. There is still a Marginal (level 1/4) Risk of Excessive Rainfall on Thursday, but overall storms will be more scattered/isolated in with lighter rainfall totals expected. Rivers, streams, creeks and bayous may still be elevated at this time as well. Strong winds will also linger across the Gulf waters, bringing minor to moderate coastal flooding through Thursday evening.
Additional Coastal Flood Advisories/Warnings may be necessary during this time period to allow inundation to recede. We'll have to carefully watch how conditions evolve to see if these additional hazards may be warranted.

Conditions will improve further on Friday as a +590 dam mid level ridge settles in over portions of the Southern CONUS. Deep moisture will still be available across the Texas Gulf Coast, and with little capping aloft any passing impulses should be able to fire up scattered showers and storms into the beginning of next week.
Notably, NAEFS climatological 200mb heights with the upper level ridge are rather high for this time of year. WPC's 500mb mean cluster analysis indicates heights of 594 dam spanning portions of the Southeast/South-Central CONUS into the weekend. High temperatures are progged to climb into the upper 80s to upper 90s during this period. Deep gulf moisture and high dewpoints will create humid afternoon conditions, resulting in increasing heat stress.

Global models indicate the development of another area of low pressure over the Southwestern Gulf of Mexico over the weekend/into next week. It is hard to give specifics on this unrealized system given the uncertainty created by the ongoing Potential Tropical Cyclone One. The lack of a deepening surface low over the Rockies and the presence of surface high pressure across Texas would suggest a weaker pressure gradient across the SE Texas coastline. While the ridge overhead looks to weaken into next week, it's presence over the Desert Southwest/Southern Plains may keep this system restricted to the Southern Gulf. The different atmospheric setup would suggest that this upcoming system won't have a broad, anomalous wind swath like Potential Tropical Cyclone One. In other words, it appears that impacts to SE Texas with this upcoming system would be more limited.
Still, it is far too early to "lock in" this forecast. Stay tuned these next several days as we monitor how this next disturbance evolves.

03

AVIATION
(06Z TAF Issuance)
Issued at 1253 AM CDT Wed Jun 19 2024

Periods of SH/TS associated to a tropical disturbance located north of the Bay of Campeche will continue throughout much the TAF period. Further AMDs and TEMPOs will likely be required as the disturbance slowly tracks WNW over the Gulf of Mexico.

For much of the night hours, conditions are expected to remain fairly tranquil for areas IAH northward. However, for locations south of IAH, periods of -SHRA can be expected, in particular for areas closer to the coast. SH/TS will expand further inland during the day as the system moves closer towards the eastern coast of Mexico. Although conditions are expected to be mainly MVFR to VFR for much of SE TX, there is a chance vis/cigs could briefly lower to IFR with the passage stronger showers/storms.
Generally E winds will remain elevated, varying between 08-15 kts with higher gusts over the Brazos and Piney Woods Region and between 15-25 kts with higher gusts over the central regions, and slightly stronger over the coast and waters. Conditions will be improving Wed evening and night as the system makes its way across E Mexico.

24

MARINE
Issued at 300 PM CDT Tue Jun 18 2024

A potential Tropical Cyclone will bring numerous thunderstorms, strong winds and high seas across the southwestern Gulf of Mexico through early Thursday. Tropical Storm Warnings and Small Craft Advisories are in effect, with winds of 25-35 knots and gusts up to 40-50 knots expected through early Thursday. Seas are expected to reach 15 to 20 feet at times over the Gulf Waters. These strong onshore winds over a long fetch will also bring a high risk of rip currents. Tide levels rising to 3.5-5 feet above MLLW will bring minor to moderate coastal flooding with 3-4 feet on inundation across the Texas coastline. Conditions will begin to improve on Thursday as the aforementioned tropical disturbance dissipates over Mexico, though Small Craft Advisories will likely be needed into Friday as high winds and seas linger in the system's wake. Caution Flags may still be warranted over the weekend.

03

PRELIMINARY POINT TEMPS/POPS
College Station (CLL) 74 92 73 92 / 30 30 0 10 Houston (IAH) 75 91 75 90 / 40 50 10 30 Galveston (GLS) 82 88 81 88 / 70 70 40 50

HGX WATCHES/WARNINGS/ADVISORIES
TX...Tropical Storm Warning for TXZ335>337-436-437.

Flood Watch through late tonight for TXZ210-214-226-227-235>238- 313-335>338-436>439.

Wind Advisory until 7 AM CDT Thursday for TXZ214-238-313-338-438- 439.

Coastal Flood Warning until 7 AM CDT Thursday for TXZ214-313- 335>338-436>439.

High Rip Current Risk through late tonight for TXZ436>439.

GM...Tropical Storm Warning for GMZ330-350-355-370-375.

Small Craft Advisory until 7 AM CDT Thursday for GMZ335.




Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
KGVW 23 mi34 minENE 20G35 81°F 79°F
42035 - GALVESTON 22NM East of Galveston, TX 27 mi39 minENE 25G31 84°F29.80
GTOT2 40 mi55 minESE 12G26 78°F 87°F29.80
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 41 mi55 minESE 25G32 79°F 84°F29.80
GRRT2 43 mi55 minENE 19G24 78°F 83°F29.81
LUIT2 44 mi55 minE 26G34 78°F 85°F29.82
RLOT2 - 8770971 - Rollover Pass, TX 47 mi55 minE 20G28 79°F 84°F29.84


Wind History for No Ports station near this location
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
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Wind History graph: XIH
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Tide / Current for Galveston Pleasure Pier, Gulf Of Mexico, Texas (sub)
   
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Galveston Pleasure Pier, Gulf Of Mexico, Texas (sub), Tide feet


Tide / Current for Galveston (Pleasure Pier), Texas
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Galveston (Pleasure Pier)
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Wed -- 04:00 AM CDT     2.27 feet High Tide
Wed -- 04:03 AM CDT     Moonset
Wed -- 06:20 AM CDT     Sunrise
Wed -- 06:28 PM CDT     Moonrise
Wed -- 08:13 PM CDT     -0.32 feet Low Tide
Wed -- 08:21 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Galveston (Pleasure Pier), Texas, Tide feet
12
am
1.2
1
am
1.6
2
am
2
3
am
2.2
4
am
2.3
5
am
2.2
6
am
2.1
7
am
1.9
8
am
1.7
9
am
1.6
10
am
1.5
11
am
1.5
12
pm
1.5
1
pm
1.4
2
pm
1.3
3
pm
1.1
4
pm
0.8
5
pm
0.4
6
pm
0.1
7
pm
-0.2
8
pm
-0.3
9
pm
-0.3
10
pm
-0
11
pm
0.4


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




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