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Marine Weather and Tide Forecast for Port Lavaca, TX

April 24, 2025 6:18 PM CDT (23:18 UTC)
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Sunrise 6:51 AM   Sunset 8:00 PM
Moonrise 3:43 AM   Moonset 3:47 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
GMZ330 Matagorda Bay- 351 Pm Cdt Thu Apr 24 2025

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

Friday - Southeast winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and Thunderstorms late in the morning.

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

Saturday - Southeast 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.

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

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

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

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

Tuesday 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 351 Pm Cdt Thu Apr 24 2025

Synopsis for high island to the matagorda ship channel out 60 nm including galveston and matagorda bays
high pressure situated across the eastern united states will maintain onshore winds for the texas gulf coast for the remainder of the week. Seas of up to 3 feet can be expected over the nearshore waters, and up to 5 feet farther offshore, closer to 60 nm out. While isolated showers can't be entirely ruled out, that will likely be more of a concern for locations farther inland.

7 Day Forecast for Marine Location Near Port Lavaca, TX
   
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Tide / Current for Port Lavaca, Matagorda Bay, Texas
  
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Port Lavaca
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Thu -- 01:46 AM CDT     0.80 feet Low Tide
Thu -- 04:42 AM CDT     Moonrise
Thu -- 05:25 AM CDT     0.83 feet High Tide
Thu -- 06:51 AM CDT     Sunrise
Thu -- 01:19 PM CDT     0.51 feet Low Tide
Thu -- 04:46 PM CDT     Moonset
Thu -- 07:32 PM CDT     0.72 feet High Tide
Thu -- 07:57 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Port Lavaca, Matagorda Bay, Texas does not exist in database. Press Edit above and select a valid nearby location.

Port Lavaca, Matagorda Bay, Texas, Tide feet
12
am
0.8
1
am
0.8
2
am
0.8
3
am
0.8
4
am
0.8
5
am
0.8
6
am
0.8
7
am
0.8
8
am
0.8
9
am
0.7
10
am
0.6
11
am
0.6
12
pm
0.5
1
pm
0.5
2
pm
0.5
3
pm
0.5
4
pm
0.6
5
pm
0.6
6
pm
0.7
7
pm
0.7
8
pm
0.7
9
pm
0.7
10
pm
0.7
11
pm
0.6

Tide / Current for Port O'Connor, Matagorda Bay, Texas
  
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Port O'Connor
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Thu -- 04:41 AM CDT     Moonrise
Thu -- 06:50 AM CDT     Sunrise
Thu -- 10:33 AM CDT     0.42 feet Low Tide
Thu -- 04:45 PM CDT     Moonset
Thu -- 05:33 PM CDT     0.61 feet High Tide
Thu -- 07:56 PM CDT     Sunset
Thu -- 10:18 PM CDT     0.54 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Port O'Connor, Matagorda Bay, Texas does not exist in database. Press Edit above and select a valid nearby location.

Port O'Connor, Matagorda Bay, Texas, Tide feet
12
am
0.7
1
am
0.7
2
am
0.7
3
am
0.7
4
am
0.7
5
am
0.6
6
am
0.6
7
am
0.5
8
am
0.5
9
am
0.4
10
am
0.4
11
am
0.4
12
pm
0.4
1
pm
0.5
2
pm
0.5
3
pm
0.6
4
pm
0.6
5
pm
0.6
6
pm
0.6
7
pm
0.6
8
pm
0.6
9
pm
0.6
10
pm
0.5
11
pm
0.5

Area Discussion for Corpus Christi, TX
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NOTE: mouseover dotted underlined text for definition
FXUS64 KCRP 242306 AFDCRP

Area Forecast Discussion National Weather Service Corpus Christi TX 606 PM CDT Thu Apr 24 2025

New AVIATION

SHORT TERM
(Tonight through Friday night)
Issued at 155 PM CDT Thu Apr 24 2025

- Low chances for showers and thunderstorms across the Coastal Plains and Brush Country today.

- Increasing threat of dangerous swimming conditions, a moderate risk of rip currents is in effect through Friday

Mid-levels have dried out somewhat since yesterday. PWATs from this mornings sounding at CRP came in at 1.52" which is still above normal, near the 75th percentile. There is still instability in the lower to mid-levels with another shortwave moving across the region today, keeping some low end PoPs in the forecast. Look for 15-20% chances mainly across the Brush Country. Tonight through the rest of the period have opted to go with silent PoPs due to lowering PWATs and limited forcing as we head into the weekend.

Afternoon temperatures today and tomorrow will range in the mid 80s northeast to the 90s out west but will be a few degrees warmer tomorrow. Overnight lows will hover around the low to mid 70s region- wide.

LONG TERM
(Saturday through next Wednesday)
Issued at 155 PM CDT Thu Apr 24 2025

Key Messages:

- Rain chances return to South Texas by midweek

- Above normal temperatures expected to persist through next week; 100s possible out west

Expect the region to be under the influence from the aforementioned mid level ridge that is draped over the region. This will promote quiet conditions across the region with highs generally in the 80s and 90s. The NBM ensemble is hinting at a medium to high chance (50- 70%) for temperatures to exceed 100 degrees in the Rio Grande Plains beginning Monday. This is expected to persist through the remainder of the week. Conditions will remain mostly dry outside of a low chance for diurnally driven convection each day with the arrival of the sea breeze through Tuesday. As the ridge progresses to the east, expect onshore flow to return with an approaching disturbance to the north. This will promote moisture return to the region, which will combine with some embedded shortwaves and moderate instability leading to a low to medium chance for showers and thunderstorms Wednesday and Thursday. With this possibility being still days out however, uncertainties on timing and amounts still remain so be sure to check back for future updates.

AVIATION
(00Z TAFS)
Issued at 601 PM CDT Thu Apr 24 2025

Expect MVFR to IFR CIGS to develop at all sites overnight. Vis restrictions should be minimal with a wind remaining up a bit, but have an MVFR VIS for ALI and VCT. CIGS likely slow to lift tomorrow, but should rise above 3kft by mid-day. Breezy southeasterly winds are expected in the afternoon.



MARINE
Issued at 155 PM CDT Thu Apr 24 2025

A gentle to moderate breeze (BF 3-4) can be expected to continue through this weekend. Onshore winds will increase early next week becoming moderate to fresh (BF 4-5) with winds across the bays and nearshore waters south of Port Aransas approaching Small Craft Advisory conditions.

FIRE WEATHER
Issued at 155 PM CDT Thu Apr 24 2025

Winds and humidity levels will stay below critical thresholds through next week. Recent rainfall across portions of South Texas has reduced the fire risk across the region. However, elevated fire thresholds could be approached early next week across portions of the Rio Grande Plains when minimum afternoon relative humidity values drop below 30% and ERC values trend above 65% across Southwest Webb County.

PRELIMINARY POINT TEMPS/POPS
Corpus Christi 73 85 72 85 / 10 10 0 0 Victoria 70 86 68 87 / 10 10 0 0 Laredo 73 92 73 95 / 10 10 0 10 Alice 71 89 70 90 / 10 10 0 0 Rockport 73 84 73 84 / 20 10 0 0 Cotulla 72 92 71 94 / 10 10 0 10 Kingsville 71 87 71 87 / 10 10 0 0 Navy Corpus 73 81 73 81 / 10 10 0 0

CRP WATCHES/WARNINGS/ADVISORIES
TX...None.
GM...None.


Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
VCAT2 0 mi49 minS 13G14 79°F 82°F29.90
PCNT2 - 8773701 - Matagorda Bay; Port O'Connor, TX 17 mi49 minE 8.9G12 77°F 83°F29.91
SDRT2 - 8773037 - Seadrift, TX 17 mi49 minESE 8G12 80°F 82°F29.89
MBET2 21 mi49 minSSE 8G9.9 77°F 79°F29.88
AWRT2 30 mi49 minSE 8G14 78°F 82°F29.86
EMAT2 37 mi49 minE 11G14 77°F 80°F29.92
RCPT2 - 8774770 - Rockport, TX 49 mi49 minSE 7G9.9 80°F 29.88


Wind History for Port Lavaca, TX
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Airport Reports
   
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KPKV CALHOUN COUNTY,TX 4 sm23 minSSE 0910 smOvercast82°F73°F74%29.93
KVCT VICTORIA RGNL,TX 22 sm27 minSSE 1110 smOvercast81°F68°F66%29.92

Weather Map
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GEOS Local Image of southern planes -- texas  
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Corpus Christi, TX,





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