Monday, July6, 2020
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L-36.com


Marine Weather and Tides
Metairie, 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 6:04AMSunset 8:06PM Monday July 6, 2020 7:36 PM CDT (00:36 UTC) Moonrise 8:40PMMoonset 6:20AM Illumination 98% Phase: Waning Gibbous; Moon at 16 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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GMZ530 Lake Pontchartrain And Lake Maurepas- 342 Pm Cdt Mon Jul 6 2020
Tonight..Southwest winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms early in the evening. Slight chance of showers and Thunderstorms after midnight.
Tuesday..Southwest winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Tuesday night..Southwest winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of sprinkles in the evening.
Wednesday..West winds near 5 knots. Waves less than 1 foot. Dominant period 4 seconds. Chance of showers through the day. Chance of Thunderstorms in the late morning and afternoon.
Wednesday night..West winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Thursday..West winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of sprinkles in the afternoon.
Thursday night..West winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Friday..West winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of sprinkles in the afternoon.
Friday night..West winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of sprinkles after midnight.
Saturday..West winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of sprinkles in the morning, then chance of showers and Thunderstorms in the afternoon.
Saturday night..West winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of sprinkles through the night. Slight chance of Thunderstorms after midnight.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 342 Pm Cdt Mon Jul 6 2020
Synopsis..A trough of low pressure will hold across the northern gulf region and remain in place through tomrorow. High pressure will build from the gulf northward towards the coast later in the week.


7 Day Forecast for Marine Location Near Metairie, LA
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location: 30.03, -90.11     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 062042 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 342 PM CDT Mon Jul 6 2020

SHORT TERM.

Main issue over the next roughly 24 hours will be the continued threat of heavy rain leading to flooding issues across the area. The sounding this morning showed PW values near 2.3", which is not far off from the highest for this date. Not surprisingly, we had quite efficent rainfall rates from storms this morning. Coverage has waned some in the past hour or two but there still remains a threat for heavy rainfall leading to flash flooding across just about any part of our CWA. The Flash Flood Watch will continue through tomorrow evening for this reason along with the saturated conditions in many areas from previous rains. Some areas cannot take much if any in the way of additional rainfall.

With the above said, POPs were lowered some for tomorrow as the overall coverage does not seem to be as high as expected. The main messaging is that regardless of the coverage of storms, whatever does develop will more than likely again be capable of dumping significant rainfall amounts in a short period of time.

LONG TERM.

By Wednesday, the pattern will begin to change and high pressure centered over the western states will slide more towards the area, getting us out of this weakness between systems. As the high pressure moves in, rain chances will diminish as temperatures climb. High temperatures in the mid 90s are likely for the weekend with heat index values ranging from 100-105 each afternoon.

AVIATION.

Radar trends early this afternoon continue to show disorganized areas of heavy rain and thunderstorms scattered across the area. This activity is beginning to wane but light drizzle may persist across many of these areas.

Short-range models hint at the potential for more convection to develop later this evening, and have introduced this potential in area TAF sites, as we remain in such a moist environment. These should come to an end well before midnight, with another round by Tuesday morning along with the same threats persisting.

MARINE.

A general weakness associated with a surface trough near the coast and surface high pressure over the southeastern Gulf will keep winds mainly out of a westerly direction through much of the week. Some onshore flow may be produced temporarily through the week with scattered showers and thunderstorms expected across the coastal waters for the rest of today and into tomorrow. Higher winds and seas can be expected near any thunderstorms that develop. Drier conditions expected from Wednesday through the weekend as high pressure builds back into the area.

PRELIMINARY POINT TEMPS/POPS. MCB 73 86 74 88 / 30 50 20 70 BTR 74 87 75 90 / 30 40 10 50 ASD 74 88 74 90 / 30 40 10 50 MSY 75 88 76 90 / 30 40 10 40 GPT 75 87 76 88 / 30 40 10 50 PQL 73 89 73 90 / 40 50 20 50

LIX WATCHES/WARNINGS/ADVISORIES. LA . Flash Flood Watch through Tuesday evening for LAZ034>037-039-040- 046>050-056>072.

GM . None. MS . Flash Flood Watch through Tuesday evening for MSZ068>071-077- 080>082.

GM . None.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NWCL1 - 8761927 - New Canal, LA 0 mi48 min SSW 2.9 G 2.9 76°F 85°F1013.3 hPa
CARL1 7 mi48 min 84°F
FREL1 17 mi48 min Calm G 2.9 75°F 1013.1 hPa
BYGL1 - 8762482 - Bayou Gauche, LA 23 mi48 min SSW 1 G 1.9 77°F 79°F1014.3 hPa
SHBL1 - 8761305 - Shell Beach, LA 26 mi48 min WSW 8 G 11 76°F 86°F1014.5 hPa
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 46 mi54 min W 6 G 7 83°F 85°F1014.1 hPa

Wind History for New Canal Station, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
New Orleans, New Orleans Lakefront Airport, LA4 mi43 minWSW 610.00 miPartly Cloudy79°F72°F79%1013.5 hPa
New Orleans, New Orleans International Airport, LA8 mi43 minSW 310.00 miLight Rain78°F72°F82%1014.4 hPa
New Orleans Naval Air Station - Alvin Callender Field, LA15 mi1.7 hrsN 07.00 miOvercast74°F73°F100%1014.2 hPa

Link to 5 minute data for KMSY

Wind History from MSY (wind in knots)
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Last 24hrSW3W3W3W3W3W3W3W3SW3CalmCalmCalmCalmSW11
G15
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1 day agoN8CalmN3NE3CalmCalmSW3CalmCalmW3CalmCalmCalmCalmCalmNW3NW4SW8W10W9W7W5W8W4
2 days agoW6NW6NW5W7CalmCalmW6NW3NW3W4W6CalmNW5W5W4CalmSW33SW6W7NW5N7NW9
G17
NW5

Tide / Current Tables for New Canal USCG station, Lake Pontchartrain, 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 Michoud Substation, ICWW, 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 (20,4,5,8)
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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.