Monday, April6, 2020
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Marine Weather and Tides
Slidell, 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 6:41AMSunset 7:21PM Sunday April 5, 2020 11:22 PM CDT (04:22 UTC) Moonrise 4:50PMMoonset 5:18AM Illumination 96% Phase: Waxing Gibbous; Moon at 13 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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GMZ534 Lake Borgne- 958 Pm Cdt Sun Apr 5 2020
Rest of tonight..Southeast winds 5 to 10 knots becoming east after midnight. Waves 1 foot or less. Dominant period 4 seconds.
Monday..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Monday night..South winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Tuesday..South winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers in the afternoon.
Tuesday night..Southwest winds near 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Wednesday..Southwest winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Wednesday night..Southwest winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Thursday..West winds near 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers and Thunderstorms in the afternoon.
Thursday night..Northwest winds 5 to 10 knots becoming north 10 to 15 knots after midnight. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Friday..Northeast winds 10 to 15 knots. Waves 1 to 3 feet. Chance of showers and slight chance of Thunderstorms.
Friday night..East winds 10 to 15 knots. Waves 2 to 3 feet. Chance of showers and Thunderstorms.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 958 Pm Cdt Sun Apr 5 2020
Synopsis..High pressure will be building back in today. High pressure will remain centered to the east of the coastal waters through middle of next week.


7 Day Forecast for Marine Location Near Slidell, LA
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location: 30.27, -89.79     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 060051 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 751 PM CDT Sun Apr 5 2020

SOUNDING DISCUSSION. Strong dry air advection was noted in the 00z sounding as compared to the 12z sounding. Mid-level RH has dropped from 81% to 34%, and temperatures have warmed considerably. 700mb temperatures rose nearly 4C in the last 12 hours. This has resulted in much weaker mid-level lapse rates, and there is no atmospheric instability noted above 850mb. This dry and stable airmass in the mid-levels will keep dry weather and mainly clear skies in place tonight. The only cloud development will be some passing cirrus in the upper levels associated with a plume of Pacific based moisture advecting in on the back of 70 to 90 knot westerly flow pattern. PG

PRELIMINARY POINT TEMPS/POPS. MCB 60 81 64 80 / 0 10 20 60 BTR 61 83 65 82 / 0 10 10 40 ASD 60 82 64 83 / 0 10 10 30 MSY 65 83 68 84 / 0 10 10 20 GPT 63 78 66 78 / 0 10 10 30 PQL 59 82 63 81 / 0 0 10 30

LIX WATCHES/WARNINGS/ADVISORIES. LA . None. GM . None. MS . None. GM . None.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NWCL1 - 8761927 - New Canal, LA 24 mi52 min SE 1.9 G 5.1 70°F 74°F1016.9 hPa
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 25 mi52 min SW 2.9 G 4.1
SHBL1 - 8761305 - Shell Beach, LA 28 mi52 min S 2.9 G 4.1 68°F 76°F1018 hPa
CARL1 30 mi52 min 61°F
FREL1 35 mi52 min S 1 G 1.9 68°F 1016.6 hPa
BYGL1 - 8762482 - Bayou Gauche, LA 47 mi52 min SSE 1.9 G 2.9

Wind History for New Canal Station, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Slidell, Slidell Airport, LA6 mi29 minN 010.00 miFair64°F59°F84%1017.7 hPa
Bay St. Louis, Stennis International Airport, MS19 mi2.5 hrsN 010.00 miFair63°F59°F88%1016.9 hPa

Link to 5 minute data for KASD

Wind History from ASD (wind in knots)
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Last 24hrCalmNE3CalmNE3N5CalmCalmN3CalmNE5NE7664E5S7SE6SE5S7S5CalmCalmCalmCalm
1 day agoCalmCalmCalmCalmN3CalmN5NE3CalmNE4NE7E4SE7SE7SE4E5SE5S5SE3CalmCalmCalmCalmCalm
2 days agoE3CalmN4N3CalmCalmCalmCalmNE4NE56NE54S7S11S735S8S5CalmCalmCalmCalm

Tide / Current Tables for Bayou BonFouca, Route 433, 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 Pearlington, Pearl River, Mississippi
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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 (0,6,7,8)
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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.