Thursday, September23, 2021
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Marine Weather and Tides
Longview, TX

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:06AMSunset 7:15PM Thursday September 23, 2021 1:32 PM CDT (18:32 UTC) Moonrise 7:58PMMoonset 8:30AM Illumination 94% Phase: Waning Gibbous; Moon at 17 days in cycle
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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7 Day Forecast for Marine Location Near Longview, TX
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location: 32.58, -94.7     debug


Area Discussion for - Shreveport, LA
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FXUS64 KSHV 231735 AFDSHV

Area Forecast Discussion National Weather Service Shreveport LA 1235 PM CDT Thu Sep 23 2021

AVIATION.

For the 23/18z TAFs . VFR conditions will continue to prevail during the entire period. Skies will start off mostly clear, but some high cigs will move into the TAF sites by 24/06z, likely remaining through the TAF period. Otherwise, expect light/variable winds as sfc high pressure will remain over the region this evening and through early Friday. Winds will then become southerly near 5 kts as the high starts to shift eastward.

PREV DISCUSSION. /issued 1135 AM CDT Thu Sep 23 2021/

UPDATE .

Decided to increase max temps a couple of degrees based on current trends. Otherwise, the remainder of the forecast remains on track. Dry conditions and slightly below normal temperatures to remain across the region today, as dry northwesterly flow aloft and sfc high pressure settles over the region. Highs will climb into the low to mid 80s with mostly clear skies. /20/

PREV DISCUSSION . /issued 350 AM CDT Thu Sep 23 2021/

SHORT TERM . /Today through Friday/

Queen's weather to continue through the short term portion of the forecast. Last night I spent some good time explaining what that meant, and didn't get a single mention about it . not even from my own father who reads my discussions every day. But that is ok, I chose to be better and not bitter. Temperatures this morning across the region will be a little chilly, may even need a light jacket as you are heading out the door. Plenty of sunshine is in store for today, with afternoon highs topping out in the lower to mid 80s across the region. With lower dewpoints, it will feel like lower to mid 80s outside as well.

Overnight lows tonight will once again fall into the lower to mid 50s across the region under mostly clear skies. As we move into Friday we will see broad upper level ridging across the western CONUS that will help our region remain under northwest flow aloft. This will also cause temperatures to increase by a few degrees here and there from what we are expecting today, with afternoon highs on Friday ranging from the lower 80s to mid 80s, with the warmer temperatures across our western zones. /33/

LONG TERM . /Friday Night through Wednesday Night/

As sfc high pressure shifts east of the region, returning southerly flow will aid in a warming trend through the upcoming weekend. Highs will return closer to seasonal normals in the mid to upper 80s and possibly near 90 degrees in some locations, especially on Sunday as weak upper level ridging builds eastward across the region. Expect overnight temperatures to trend warmer as well after another night in the 50s on Friday night, then gradually increasing higher each night through the remainder of the weekend.

By early next week, a major pattern change will begin to take shape as a cutoff low over Baja lifts NE across the Desert SW and slowly ejects into the Southern Plains. This cutoff low, combined with the prevailing LL southerly flow, will result in increasing Pacific and Gulf of Mexico moisture through the middle of next week. Progs are not in complete agreement this far out on the timing and evolution of this system, although the GFS and ECMWF do gradually transition the closed low into an open trough as it ejects farther eastward toward our region by Tuesday into Wednesday. With that said, lift and forcing should gradually increase across our western zones and help induce some isolated to scattered convection as we progress through next week. For now, kept PoPs to just chance variety due to the continued uncertainty on how this system will evolve next week.

/19/

PRELIMINARY POINT TEMPS/POPS. SHV 86 57 84 59 / 0 0 0 0 MLU 82 54 81 56 / 0 0 0 0 DEQ 83 52 84 55 / 0 0 0 0 TXK 85 56 83 58 / 0 0 0 0 ELD 82 52 81 54 / 0 0 0 0 TYR 86 57 85 60 / 0 0 0 0 GGG 86 55 84 57 / 0 0 0 0 LFK 86 56 85 57 / 0 0 0 0

SHV WATCHES/WARNINGS/ADVISORIES. AR . None. LA . None. OK . None. TX . None.

20


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Longview - East Texas Regional Airport, TX14 mi40 minNW 810.00 miFair81°F41°F24%1019.1 hPa
Gilmer, Fox Stephens Field - Gilmer Municipal Airport, TX16 mi38 minN 010.00 miFair77°F41°F28%1020.3 hPa
Marshall, TX21 mi38 minN 0 miFair77°F45°F32%1020.7 hPa

Link to 5 minute data for KGGG

Wind History from GGG (wind in knots)
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Last 24hrN13
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N4CalmCalmNW3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSE43CalmNW8
1 day agoW7NW11
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N7N7N6N5N5N5N4NW3CalmNW3NW6N6N8
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2 days agoS86S6S6SE5S4S7S7S5SE6S6S7S7S4S3S3S3S4W6SW7SW10SW65W8

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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