Tuesday, November21, 2017 L-36.com


Marine Weather and Tides
Mandeville, LA

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:29AMSunset 5:01PM Tuesday November 21, 2017 3:22 PM CST (21:22 UTC) Moonrise 9:03AMMoonset 7:45PM Illumination 10% Phase: Waxing Crescent; Moon at 3 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- 925 Am Cst Tue Nov 21 2017
Rest of today..East winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Slight chance of showers in the afternoon.
Tonight..Northeast winds 10 to 15 knots. Waves 1 foot or less building to 2 to 4 feet. Dominant period 4 seconds after midnight. Slight chance of showers in the evening.
Wednesday..North winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Wednesday night..North winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds.
Thursday..North winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Thursday night..North winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Friday..North winds 5 to 10 knots becoming west late in the afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Friday night..West winds near 5 knots. Waves 1 foot or less. Dominant period 4 seconds.
Saturday..West winds 5 to 10 knots. Waves 1 foot or less.
Saturday night..North winds 5 to 10 knots. Waves 1 to 2 feet.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 925 Am Cst Tue Nov 21 2017
Synopsis..A strong disturbance will move east today ahead of a cold front that will move through the northern gulf Wednesday evening. High pressure will slowly settle over the area through the end of the week.

7 Day Forecast for Marine Location Near Mandeville, LA
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location: 30.33, -90.08     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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Fxus64 klix 211751
afdlix
area forecast discussion
national weather service new orleans la
1151 am cst Tue nov 21 2017

Aviation A period of light rain showers could affect kbtr,
khum, and kmsy between 00z and 08z. At worst, some MVFR ceilings
and visibilities could occur at times with these showers.

Otherwise,VFR conditions will prevail through the forecast
period. 32

Preliminary point temps pops
Mcb 68 46 62 33 10 20 0 0
btr 69 49 63 33 40 40 0 0
asd 71 48 66 36 10 10 0 0
msy 71 53 66 44 10 30 10 0
gpt 70 51 65 39 10 10 0 0
pql 70 46 66 34 10 10 0 0

Lix watches warnings advisories
La... None.

Gm... Small craft advisory from 4 am Wednesday to 4 am cst Thursday
for gmz536-538-550-552-555-557-570-572-575-577.

Ms... None.

Gm... Small craft advisory from 4 am Wednesday to 4 am cst Thursday
for gmz538-550-552-555-557-570-572-575-577.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NWCL1 - 8761927 - New Canal, LA 21 mi52 min ENE 8 G 8.9 65°F 64°F1013.6 hPa
FREL1 24 mi52 min NE 6 G 8 65°F 1012.9 hPa61°F
OSTF1 - Stennis Test Facility 25 mi92 min SE 1.9 G 3.9 69°F 1014.8 hPa (-2.4)56°F
CARL1 28 mi52 min 59°F
SHBL1 - 8761305 - Shell Beach, LA 39 mi52 min ENE 9.9 G 11 66°F 66°F1013.9 hPa
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 40 mi52 min SE 1.9 G 2.9 65°F 61°F1014.4 hPa
BYGL1 - 8762482 - Bayou Gauche, LA 41 mi52 min E 4.1 G 8 71°F 64°F1013.5 hPa

Wind History for New Canal Station, LA
(wind in knots)    EDIT      (on/off)   Help
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NE6
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N13
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SW9
G12
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N23
G29
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G26
N24
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G31
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G29
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G34
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G22
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G18
N14

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Slidell, Slidell Airport, LA14 mi29 minN 010.00 miA Few Clouds71°F54°F55%1014 hPa
New Orleans, New Orleans Lakefront Airport, LA20 mi29 minE 710.00 miFair69°F59°F70%1013.4 hPa
Hammond, Hammond Municipal Airport, LA22 mi27 minN 010.00 miFair70°F53°F57%1014.2 hPa

Wind History from ASD (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmN3CalmCalmCalmCalmCalmNE3CalmCalmCalmE4CalmE4S5SE4--3Calm
1 day agoN8N5N3N3N3CalmCalmN3N3N4CalmCalmCalmN5CalmCalmE33E3E4CalmCalmSE3S5
2 days agoSW7SW855SW74N8NW9NW8
G17
N11
G18
N11
G23
N17
G25
N12
G18
N10N9N13
G20
N15
G20
N17
G23
N17N12
G19
N14
G21
N11
G20
N10N9

Tide / Current Tables for Tchefuncta River, Lake Pontchartrain, Louisiana
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Tchefuncta River
Click for Map
Tue -- 06:31 AM CST     Sunrise
Tue -- 08:23 AM CST     0.74 feet High Tide
Tue -- 09:03 AM CST     Moonrise
Tue -- 05:01 PM CST     Sunset
Tue -- 07:44 PM CST     Moonset
Tue -- 08:06 PM CST     0.03 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.20.30.40.40.50.60.70.70.70.70.70.70.60.50.40.30.20.10.10000.10.1

Tide / Current Tables for Bayou BonFouca, Route 433, Louisiana
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Bayou BonFouca
Click for Map
Tue -- 06:29 AM CST     Sunrise
Tue -- 07:59 AM CST     0.66 feet High Tide
Tue -- 09:01 AM CST     Moonrise
Tue -- 04:59 PM CST     Sunset
Tue -- 07:16 PM CST     0.03 feet Low Tide
Tue -- 07:43 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.20.30.40.40.50.60.60.60.70.60.60.60.50.40.30.20.10.10000.10.10.1

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Southeast    EDIT
Geos

Wind Forecast for New Orleans/Baton Rouge, LA (16,3,4,5)
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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 numerious 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.