Friday, January24, 2020
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Marine Weather and Tides
Norco, 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 6:54AMSunset 5:32PM Friday January 24, 2020 11:05 AM CST (17:05 UTC) Moonrise 6:53AMMoonset 5:27PM Illumination 0% Phase: New Moon; Moon at 29 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- 943 Am Cst Fri Jan 24 2020
Rest of today..Northwest winds 10 to 15 knots becoming west in the afternoon. Waves 1 to 3 feet. Dominant period 4 seconds.
Tonight..Northwest winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Saturday..North winds 10 to 15 knots becoming northwest near 5 knots early in the afternoon, then becoming southwest late in the afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Saturday night..Southeast winds near 5 knots. Waves less than 1 foot. Dominant period 4 seconds. Chance of showers after midnight.
Sunday..East winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Showers in the morning, then showers likely in the afternoon.
Sunday night..Northeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers in the evening.
Monday..North winds near 5 knots. Waves 1 foot or less. Dominant period 4 seconds.
Monday night..Northeast winds near 5 knots. Waves 1 foot or less. Dominant period 4 seconds.
Tuesday..East winds near 5 knots. Waves 1 foot or less.
Tuesday night..East winds near 5 knots. Waves less than 1 foot. Slight chance of showers after midnight.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 943 Am Cst Fri Jan 24 2020
Synopsis..High pressure will settle over the area today and early Saturday before moving east. A low pressure system will move across the coastal waters Sunday. Another low pressure system is expected to affect the coastal waters Tuesday into Tuesday night.


7 Day Forecast for Marine Location Near Norco, LA
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location: 30.02, -90.42     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 240935 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 335 AM CST Fri Jan 24 2020

SHORT TERM. A rather nice winter day in store today with mild temperatures and sunny skies. Tonight should have optimal radiational cooling to allow for chilly lows ranging from the mid 30s well inland to the mid 40s in the marine influenced areas near the coast. Mostly clear skies continue into first part of Saturday with cloud invasion from the west ahead of next short- wave system. ECMWF is about 6 hours faster than GFS in onsetting rainfall in the CWA Saturday night into Sunday morning. NBM is a good compromise on timing. At this time, it appears instability will be limited and primary mode would be showers, but maybe thunder possible in the warmer coastal waters.

LONG TERM. Monday should be similar to today in that short-lived long axis high pressure area moves in the wake of the low pressure system for favorably drier and milder conditions. Next short-wave impulse moves through Tuesday into Tuesday night with more showers accompanying its passage the main dynamics should remain off the coast, but an isolated lightning strike or two may be possible once again closer to the coast. High pressure stays better established farther north for just fringe affects over the forecast area Thursday, with warm frontogenesis taking place in the west gulf Thursday night. This brings the next period of unsettled weather as southern branch becomes activated with a series of impulses traversing the area next weekend.

AVIATION. IFR to MVFR ceilings and spotty visibilty early this morning should improve to VFR CAVU from west to east around mid-morning, then prevailing for remainder of valid TAF period.

MARINE. Some modest cold air advection aiding thermal mixing for moderate winds in the near shore waters this morning. These should abate with daytime heating this morning. Some enhanced winds once again Saturday night as gradient compresses with developing low pressure system over the west gulf. The low doesn't deepen much but does usher a weak frontal passage Sunday night. This whole process plays out again Tuesday night into early Wednesday with next similar low pressure development over the west gulf.

DECISION SUPPORT. DSS code: Blue. Deployed: None. Activation: None. Activities: Forecast support for Stennis Space Center. River Flood Warnings Decision Support Services (DSS) Code Legend Green = No weather impacts that require action. Blue = Long-fused watch, warning, or advisory in effect or high visibility event; Marginal risk severe or excessive rain. Yellow = Heightened impacts with short-fused watch, warning or advisory issuances; radar support for slight risk severe or excessive rain. Orange = High Impacts; Enhanced risk severe; nearby tropical events; HazMat or other large episodes. Red = Full engagement for Moderate to high risk of severe and/or excessive rainfall, or direct tropical threats; Events of National Significance.

PRELIMINARY POINT TEMPS/POPS. MCB 60 38 60 45 / 0 0 0 50 BTR 62 38 62 47 / 0 0 0 60 ASD 63 39 62 45 / 0 0 0 40 MSY 63 44 60 50 / 0 0 0 50 GPT 61 40 59 45 / 0 0 0 20 PQL 64 39 61 42 / 0 0 0 20

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

24/RR


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FREL1 6 mi47 min NNW 2.9 G 5.1 57°F 1019.5 hPa
BYGL1 - 8762482 - Bayou Gauche, LA 16 mi53 min WNW 2.9 G 5.1 55°F 53°F1020.8 hPa
CARL1 16 mi47 min 49°F
NWCL1 - 8761927 - New Canal, LA 16 mi53 min W 4.1 G 5.1 53°F 55°F1019.9 hPa
SHBL1 - 8761305 - Shell Beach, LA 41 mi53 min NW 9.9 G 11 52°F 56°F1020.5 hPa

Wind History for East Bank 1, Norco, B. LaBranche, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
New Orleans, New Orleans International Airport, LA9 mi12 minNW 510.00 miFair59°F42°F54%1020.7 hPa
New Orleans, New Orleans Lakefront Airport, LA21 mi12 minWNW 910.00 miFair54°F46°F75%1020 hPa
New Orleans Naval Air Station - Alvin Callender Field, LA24 mi70 minNNW 710.00 miFair57°F46°F67%1020.3 hPa

Link to 5 minute data for KMSY

Wind History from MSY (wind in knots)
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Last 24hrSE10SE11SE10SE14SE11S9S7SE5E4SE5CalmS4CalmNW8NW9NW8N8NW10
G16
NW8NW8NW5NW7NW9NW6
1 day agoNE7NE8E8E9E9E9E10E10E10E9E8E6E10SE11E13E11E7E7E8E8E6E4E11E11
2 days agoN11N10N11N8N9NE9N7NE6NE9NE7NE10NE7NE10E9E7E6E9E5E7E5CalmNE4E8E8

Tide / Current Tables for Paris Road Bridge, Mississippi River Delta, Louisiana
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Paris Road Bridge
Click for Map
Fri -- 02:03 AM CST     1.10 feet High Tide
Fri -- 06:50 AM CST     Moonrise
Fri -- 06:53 AM CST     Sunrise
Fri -- 02:18 PM CST     -0.55 feet Low Tide
Fri -- 03:44 PM CST     New Moon
Fri -- 05:25 PM CST     Moonset
Fri -- 05:29 PM CST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.91.11.11.110.90.70.50.30-0.2-0.3-0.4-0.5-0.5-0.5-0.5-0.4-0.3-0.100.20.40.6

Tide / Current Tables for Shell Beach, Lake Borgne, Louisiana
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Shell Beach
Click for Map
Fri -- 01:16 AM CST     1.29 feet High Tide
Fri -- 06:49 AM CST     Moonrise
Fri -- 06:52 AM CST     Sunrise
Fri -- 01:20 PM CST     -0.64 feet Low Tide
Fri -- 03:44 PM CST     New Moon
Fri -- 05:24 PM CST     Moonset
Fri -- 05:28 PM CST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.21.31.31.210.80.60.30.1-0.2-0.4-0.5-0.6-0.6-0.6-0.6-0.5-0.3-0.200.20.50.70.9

Weather Map
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wmap_A
GEOS Local Image of    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 (12,3,4,5)
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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 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.