Laguna Heights, TX Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Laguna Heights, TX

April 19, 2024 3:55 PM CDT (20:55 UTC) Change Location
Sunrise 7:01 AM   Sunset 7:56 PM
Moonrise 3:30 PM   Moonset 3:48 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.

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Marine Forecasts
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GMZ130 Laguna Madre From The Port Of Brownsville To The Arroyo Colorado- Laguna Madre From The Arroyo Colorado To 5 Nm North Of Port Mansfield Tx- Laguna Madre From 5 Nm North Of Port Mansfield To Baffin Bay Tx- 341 Pm Cdt Fri Apr 19 2024

Tonight - East winds 10 to 15 knots becoming southeast 5 to 10 knots after midnight. A moderate chop on the bay becoming light chop after midnight.

Saturday - Southeast winds 10 to 15 knots increasing to 15 to 20 knots in the afternoon. A moderate chop on the bay becoming choppy in the afternoon.

Saturday night - East winds 10 to 15 knots becoming northeast 5 to 10 knots after midnight. A moderate chop on the bay becoming light chop after midnight. A slight chance of showers in the evening. A slight chance of Thunderstorms. A chance of showers after midnight.

Sunday - North winds 15 to 20 knots increasing to 20 to 25 knots with gusts up to 30 knots in the afternoon. Choppy on the bay becoming rough in the afternoon. A slight chance of Thunderstorms in the morning. A chance of showers. A chance of Thunderstorms in the afternoon.

Sunday night - Northeast winds 20 to 25 knots with gusts up to 30 knots decreasing to 15 to 20 knots after midnight. Rough on the bay becoming choppy after midnight. A slight chance of showers in the evening.

Monday - Northeast winds 10 to 15 knots. A moderate chop on the bay.

Monday night - East winds 10 to 15 knots becoming southeast 5 to 10 knots after midnight. A moderate chop on the bay becoming light chop after midnight.

Tuesday - Southeast winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Light chop on the bay becoming a moderate chop in the afternoon.

Tuesday night - Southeast winds 10 to 15 knots. A moderate chop on the bay.

Wednesday - Southeast winds 10 to 15 knots. A moderate chop on the bay.

Wednesday night - Southeast winds 10 to 15 knots. A moderate chop on the bay.
winds and waves higher in and near Thunderstorms.

GMZ100 341 Pm Cdt Fri Apr 19 2024

Synopsis - Light to moderate east to southeast winds and moderate seas should prevail through Saturday night. A cold front will then push through by Sunday, shifting winds moderate to fresh northeast. Marine showers and Thunderstorms will be possible this weekend, late Saturday through Sunday night or Monday, which could lead to localized areas of higher winds and seas.


7 Day Forecast for Marine Location Near Laguna Heights, TX
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Area Discussion for - Brownsville, TX
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FXUS64 KBRO 191847 AFDBRO

Area Forecast Discussion National Weather Service Brownsville TX 147 PM CDT Fri Apr 19 2024

New SHORT TERM, LONG TERM, MARINE

SHORT TERM
(Tonight through Saturday night)
Issued at 147 PM CDT Fri Apr 19 2024

Quasi-zonal 500mb flow over the southern tier of the CONUS with embedded shortwaves to provide western and northern portions of Deep South Texas a slight chance of rain tonight and Saturday. A better chance for showers and thunderstorms for all areas are expected Saturday night will be associated with a slow moving cold front.

18Z surface analysis shows the cold front extending from Eastern Texas through the Texas Hill Country to near Del Rio. Models indicate a slow southerly drift the next 24 hours due to zonal flow aloft and weak surface ridging over the Central Plains. In advance of the front, a weak shortwave is shown mainly by the GFS crossing over the Sierra Madre later tonight igniting a few clusters of thunderstorms over NE Mexico. The westerly flow aloft may allow for a few thunderstorms to cross the Rio Grande possibly impacting Zapata, Starr and Jim Hogg Counties. Brief moderate to heavy rainfall, gusty winds and occasional lightning strikes will accompany any of these storms. For the RGV, low level capping inversion will be in place so not expecting these storms to hold together as they drift eastward. Otherwise, low clouds increase overnight with temperatures only lowering into the low to mid 70s.

The front begins to move south later Saturday and advances through the our region Saturday night as high pressure drops south behind a northern stream low pressure trough. Daytime Saturday is expected to be cloudy to mostly cloudy, warm and humid. Highs climb well into the 80s to lower 90s even with all the cloud cover. As for shower and thunderstorm chances expect isolated activity at best Saturday morning with the departing initial shortwave and slight chances for the afternoon mainly due to daytime heating. Models and ongoing forecast ramps up rain chances Saturday evening and night as the cold front advances through the region. Model consensus PoPs have increased chances into the 30-70% range with highest probabilities over the northern and western ranchlands. As for strength of these potential thunderstorms, latest high resolution models show a weakening capping inversion with ML CAPE in the 1500-2000 j/kg range and 0-6km shear values 30-35 kts. These values may be sufficient for a few strong to borderline severe storms. At this time, SPC indicates only general thunderstorms over Deep South Texas with a Marginal Risk (1 out of 5) for severe thunderstorms over Southcentral and Southeast Texas. As for rainfall amounts, precipitable water values of near 1.8 inches (>90% percentile)
should be sufficient for one-half to one inch amounts from any thunderstorm and can not rule out 2 inches in slow moving storms.

LONG TERM
(Sunday through next Friday)
Issued at 147 PM CDT Fri Apr 19 2024

By the start of the long term period, the cold front is expected to have moved across Deep South Texas and the Gulf waters.
Northerly winds will increase through the morning hours, with the breeziest winds expected over the Gulf waters and along the immediate coast. Wind gusts around 20-30 MPH will prevail through the day, but should begin to subside late Sunday evening. The latest guidance indicates portions of Deep South Texas, mainly the Rio Grande Valley, will still see scattered showers and isolated thunderstorms through late Sunday morning. High temperatures will be noticeable cooler, ranging from the 70s across the Northern Ranchlands to around 80 degrees across the Lower RGV.

Monday will be the coolest day of the week as the region remains under the influence of surface high pressure, with morning low temperatures in upper 50s to low 60s and afternoon high temperatures in the 70s. However, this brief cool down will be short-lived. As surface high pressure shifts east through mid week, surface winds will return to the east and southeast and result in the start of a warming trend once again. An uptick in wind speeds is expected by mid week in response to a deepening system traversing the Plains. Temperatures will gradually warm each day, with highs in the upper 80s and low 90s expected by Thursday across Deep South Texas.

AVIATION
(18Z TAFS)
Issued at 1222 PM CDT Fri Apr 19 2024

Ceilings will continue to gradually rise with occasional breaks in the BKN-OVC skies through the afternoon. Ceilings are expected to rise in the VFR levels with a few bases between 25-30kft. Ceilings are forecast to lower rapidly this evening and overnight with high to moderate 60-90% probability of IFR. These lower conditions to persist through at least 15Z Saturday with a steady rise thereafter. Light to moderate southeast winds to prevail with gusts in the 15-20kt range at times.

MARINE
Issued at 147 PM CDT Fri Apr 19 2024

Tonight through Saturday night...Through Saturday a light to moderate southeast to east flow with a slight to moderate sea is expected with a slow moving cold front across Southcentral Texas.
The front is on track to move into coastal waters late Saturday night with an initial line of showers and thunderstorms followed by fresh to strong northerly winds by sunrise Sunday. Small Craft Advisories are likely to be issued in wake of the frontal passage.

Sunday through Friday...The passage of a cold front will result in increasing northerly winds and building seas on Sunday and Sunday night. Small Craft Exercise Caution conditions are likely, with a low potential for Small Craft Advisory conditions. More favorable conditions are expected beginning on Monday and continuing through the end of the week. Winds will shift to the east and southeast on Monday, with southeast winds prevailing Tuesday through Friday.

PRELIMINARY POINT TEMPS/POPS
BROWNSVILLE 74 88 71 79 / 0 10 30 50 HARLINGEN 71 90 67 78 / 0 10 30 40 MCALLEN 74 92 68 78 / 10 10 40 50 RIO GRANDE CITY 73 93 65 75 / 10 10 50 50 SOUTH PADRE ISLAND 74 81 71 76 / 0 0 20 50 BAYVIEW/PORT ISABEL 72 85 69 78 / 0 10 20 40

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




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
PTIT2 - 8779770 - Port Isabel, TX 3 mi56 min ESE 13G15 79°F 78°F29.89
PCGT2 - 8779748 - South Padre Island CGS, TX 4 mi56 min ESE 9.9G13 77°F 76°F29.88
BZST2 5 mi56 min ESE 8.9G9.9 76°F 73°F29.85
RLIT2 12 mi56 min ESE 15G18 80°F 83°F29.88
PMNT2 33 mi56 min 82°F 84°F29.88


Wind History for Port Isabel, TX
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KPIL PORT ISABELCAMERON COUNTY,TX 8 sm62 minESE 1710 smClear86°F73°F66%29.90
KBRO BROWNSVILLE/SOUTH PADRE ISLAND INTL,TX 17 sm60 minESE 11G2110 smClear90°F72°F56%29.89
KHRL VALLEY INTL,TX 24 sm63 minESE 11G2610 smMostly Cloudy88°F72°F59%29.88
Link to 5 minute data for KSPL


Wind History from SPL
(wind in knots)
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Tide / Current for Port Isabel, Texas
   
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Port Isabel
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Fri -- 12:23 AM CDT     0.98 feet High Tide
Fri -- 04:47 AM CDT     Moonset
Fri -- 07:01 AM CDT     Sunrise
Fri -- 07:44 AM CDT     0.41 feet Low Tide
Fri -- 02:58 PM CDT     1.08 feet High Tide
Fri -- 04:29 PM CDT     Moonrise
Fri -- 07:54 PM CDT     Sunset
Fri -- 08:50 PM CDT     0.80 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Port Isabel, Texas, Tide feet
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0.9
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Tide / Current for Matamoros, Tamaulipas, Mexico
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Matamoros
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Fri -- 03:48 AM CST     Moonset
Fri -- 06:02 AM CST     Sunrise
Fri -- 06:49 AM CST     0.25 feet Low Tide
Fri -- 02:00 PM CST     0.93 feet High Tide
Fri -- 03:30 PM CST     Moonrise
Fri -- 06:55 PM CST     Sunset
Fri -- 07:15 PM CST     0.58 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Matamoros, Tamaulipas, Mexico, Tide feet
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0.9
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Weather Map
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GEOS Local Image of gulf of mexico   
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Brownsville, TX,



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