Monday, July13, 2020
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Marine Weather and Tides
Venice, LA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:07AMSunset 8:04PM Monday July 13, 2020 10:20 PM CDT (03:20 UTC) Moonrise 12:58AMMoonset 1:46PM Illumination 37% Phase: Third Quarter Moon; Moon at 23 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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GMZ552 Expires:202007140930;;800309 Fzus54 Klix 132103 Cwflix Coastal Waters Forecast National Weather Service New Orleans La 403 Pm Cdt Mon Jul 13 2020 Pascagoula To Atchafalaya River Out To 60 Mile 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 Ten Percent Of The Waves. Gmz550-552-140930- Coastal Waters From Port Fourchon La To Lower Atchafalaya River La Out 20 Nm- Coastal Waters From The Southwest Pass Of The Mississippi River To Port Fourchon Louisiana Out 20 Mile- 403 Pm Cdt Mon Jul 13 2020
Tonight..West winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 6 seconds.
Tuesday..Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 5 seconds. Slight chance of showers and Thunderstorms through the day.
Tuesday night..Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 5 seconds.
Wednesday..Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers and Thunderstorms.
Wednesday night..Southwest winds 5 to 10 knots. Seas 1 foot or less. Dominant period 5 seconds.
Thursday..Southwest winds near 5 knots. Seas 1 foot or less. Dominant period 5 seconds. Slight chance of showers and Thunderstorms through the day.
Thursday night..South winds near 5 knots becoming northwest after midnight. Seas 1 foot or less. Dominant period 5 seconds.
Friday..Northeast winds 5 to 10 knots becoming east in the afternoon. Seas 1 foot or less. Dominant period 5 seconds. Slight chance of showers and Thunderstorms.
Friday night..East winds 5 to 10 knots. Seas 1 foot or less. Dominant period 5 seconds.
Saturday..East winds 10 to 15 knots. Seas 1 foot or less. Dominant period 5 seconds. Slight chance of showers and Thunderstorms through the day.
Saturday night..East winds 10 to 15 knots. Seas 1 to 2 feet. Slight chance of showers and Thunderstorms after midnight.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 403 Pm Cdt Mon Jul 13 2020
Synopsis..High pressure will remain settled over the central gulf waters through the week.


7 Day Forecast for Marine Location Near Venice, LA
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location: 28.94, -89.4     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 132131 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 431 PM CDT Mon Jul 13 2020

SHORT TERM.

Coverage of isolated to scattered showers and thunderstorms finally developed as expected this afternoon which is breaking the heat in some areas. The Excessive Heat Warning and Heat Advisory were still validated however with heat index readings rising to 108 to 115 in most locations. A few storms the remainder of this afternoon and early this evening could still pulse up to strong to marginally severe levels with wind gusts over 40 mph possible along with a few locations with torrential downpours and minor flooding.

The pattern will be evolving from a dominant mid/upper high across the southwest/south central states to an elongated high across the entire southern U.S. tier with a general weakness/small scale, stalled shortwave trough over the central Gulf coast region by mid week. Tomorrow will still be warmer than normal with high enough humidity levels to produce heat index readings of 108 or higher, so a Heat Advisory has been issued valid from 10 am to 8 pm. Like today, the lucky areas that see the isolated to scattered showers and thunderstorms will have a shorter duration of high heat indices, however those that don't get rain will keep the miserable conditions around longer.

Not much change is noted Wednesday into Thursday, however the 12z model runs today really increased the PoPs today, while the NBM and official NWS forecast are a bit more conservative raising the rain chances and lower temperatures (keeping it hotter).

LONG TERM.

Friday through next Monday has a greater uncertainty today, as some models indicate a continental mid/upper high to our north dominating and keeping the area relatively dry, while some other models indicate a tropical connection developing form the easterlies and at least weak wave/inverted trough features moving east to west across the Gulf of Mexico. Have a fairly seasonal forecast Friday through the weekend with scattered mainly afternoon showers and thunderstorms before going back up to 50 to 60% rain chances on Monday. Temperatures should be closer to seasonal normals.

AVIATION.

Mainly VFR conditions are expected to prevail through Tuesday. The typical exceptions will be during any scattered SHRA/TSRA that develop or cluster near the airports during afternoon and early evening hours.

MARINE.

A few showers and thunderstorms, some with strong gusty winds, are expected to impact the tidal lakes, sounds and at least nearshore coastal waters at times for the next week. Otherwise, relatively light to at times moderate winds and low seas expected outside of convection.

PRELIMINARY POINT TEMPS/POPS. MCB 76 95 77 93 / 10 30 0 50 BTR 77 95 78 93 / 20 30 0 40 ASD 77 95 77 94 / 20 40 0 50 MSY 82 95 80 94 / 20 40 0 40 GPT 78 93 79 91 / 20 30 10 50 PQL 77 95 76 94 / 20 40 10 50

LIX WATCHES/WARNINGS/ADVISORIES. LA . Heat Advisory until 8 PM CDT this evening for LAZ034>037-039-040- 046>050-056-065>072.

Heat Advisory from 10 AM to 8 PM CDT Tuesday for LAZ034>037-039- 040-046>050-056>072.

Excessive Heat Warning until 8 PM CDT this evening for LAZ057>064.

GM . None. MS . Heat Advisory until 8 PM CDT this evening for MSZ068>071-077- 080>082.

Heat Advisory from 10 AM to 8 PM CDT Tuesday for MSZ068>071-077- 080>082.

GM . None.

TD


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BURL1 - Southwest Pass, LA 3 mi81 min 5.1 G 6
KDLP 15 mi26 min W 7 G 13 82°F 77°F
PILL1 18 mi51 min 85°F
42093 24 mi25 min 85°F1 ft
LOPL1 - Louisiana Offshore Oil Port, LA 33 mi79 min W 7 G 9.9 82°F 2 ft1014.1 hPa72°F
GISL1 - 8761724 - Grand Isle, LA 37 mi51 min 86°F
KMIS 38 mi26 min W 8.9 84°F 77°F
KXPY 44 mi21 min SW 5.1 82°F 77°F

Wind History for Pilots Station East, SW Pass, LA
(wind in knots)    EDIT      (on/off)   Help
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G13

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Link to 5 minute data for KBVE

Wind History from BVE (wind in knots)
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Last 24hrNW8NW8NW6
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W9NW7W5W4W4W6W7W9
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1 day agoS12SW12SW12S11S10S9S12S10S10S8S9S9S10S10S9S9SW10SW13N11
G18
N7NW5NW53NW6
2 days agoNE7NE6NE5E4NE5E3CalmCalmCalmSE3CalmCalmN3CalmSE3SE4S7S6S9S8S10S11S11S12

Tide / Current Tables for Pilot Station, Southwest Pass, Louisiana
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Joseph Bayou, Mississippi River, Louisiana
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Weather Map
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wmap_A
GEOS Local Image of Southeast    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for New Orleans/Baton Rouge, LA (23,6,7,8)
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Ground Weather Radar Station New Orleans/Baton Rouge, LA
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weather_mapweather_map weather_map

Gulf Stream Current


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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.