Thursday, October1, 2020
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L-36.com

Marine Weather and Tides
Violet, LA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 6:52AMSunset 6:46PM Thursday October 1, 2020 10:18 AM CDT (15:18 UTC) Moonrise 7:02PMMoonset 6:33AM Illumination 100% Phase: Full Moon; Moon at 14 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- 343 Am Cdt Thu Oct 1 2020
.small craft advisory in effect from this evening through Friday morning...
Today..Northwest winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Tonight..North winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds.
Friday..North winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Friday night..Northeast winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Saturday..Northeast winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Saturday night..Northeast winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds.
Sunday..Northeast winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds.
Sunday night..North winds 15 to 20 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Monday..Northeast winds 15 to 20 knots. Waves 2 to 4 feet.
Monday night..Northeast winds 10 to 15 knots. Waves 2 to 4 feet.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 343 Am Cdt Thu Oct 1 2020
Synopsis..A reinforcing cold front is expected to move through the coastal waters this evening and overnight with high pressure rebuilding over the weekend.


7 Day Forecast for Marine Location Near Violet, LA
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location: 29.97, -89.7     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 010841 AFDLIX

AREA FORECAST DISCUSSION National Weather Service New Orleans LA 341 AM CDT Thu Oct 1 2020 DISCUSSION. An upper level trough currently encompasses almost the entire country east of the Rockies. FL and west TX are the only ones generally outside the troughing. Closer to the center of that trough around the Great Lake region, a shortwave rotating through the apex will dive southward. This will take place today with the southernmost portion of that shortwave reaching the Appalachian Mountains tonight. The result of this will be a reinforcing cold front swing through the CWA late this afternoon and evening. No precip on the boundary due to lack of moisture return. Increasing northerly winds will probably reach southwest Mississippi to I-12 area around midday with the actual cold front/airmass change 3 to 6 hours behind it. Before this happens, expect moderating temperatures today with highs in the mid 80s. There is some potential for a small temp forecast bust with compressional warming possible. That means someone may even see 90 degrees today. However, only went a couple degrees above guidance so to not be too much out of agreement with surrounding offices.

Strong surface high pressure will build in from the north Friday through most of the weekend. Persistent cold air advection will be keeping temps 5 to 10 degrees below normal each day. Saturday is looking like the coldest with morning lows in the 50s and highs in the mid to upper 80s.

The remainder of the forecast still looking dry for the most part as the trough lifts out and the upper ridge to the west builds in across Texas and Louisiana as the week progresses.

From a tropical standpoint, there are a couple waves that may develop in the western Caribbean this weekend and early next week. Based on the forecasted upper level pattern, the CWA will be protected by the trough this weekend and ridge next week. Still bears watching.

MEFFER

AVIATION. A very dry and stable airmass will continue to dominate the Gulf South. VFR conditions are forecast at all of the terminals. A cold front is expected to move across the terminals between 00z and 06z, and northerly flow should increase to around 10 knots with gusts to 20 knots at KNEW and KMSY.

PG

MARINE. An upper level trough digging southward from the Great Lakes to the Appalachian Mountains today will send a cold front through the coastal waters this evening and tonight. Model boundary layer winds peak around 20-25kts 03z-09z. They then fall below 20 knots after 15z. An exercise caution headline will probably be needed the rest of Friday and possibly through the rest of the weekend as cold air advection persists. Models generally show offshore flow continuing most of next week with troughing in place over the eastern half of the country. The strength of that flow will be dependent on if a tropical system develops in the southern GOM or not.

MEFFER

PRELIMINARY POINT TEMPS/POPS. MCB 83 55 76 51 / 0 0 0 0 BTR 85 55 78 52 / 0 0 0 0 ASD 85 55 78 52 / 0 0 0 0 MSY 84 63 77 60 / 0 0 0 0 GPT 84 57 77 55 / 0 0 0 0 PQL 86 53 78 50 / 0 0 0 0

LIX WATCHES/WARNINGS/ADVISORIES. LA . None. GM . Small Craft Advisory from 10 PM this evening to 10 AM CDT Friday for GMZ530-532-534-536-538-550-552-555-557-570-572-575-577.

MS . None. GM . Small Craft Advisory from 10 PM this evening to 10 AM CDT Friday for GMZ532-534-536-538-550-552-555-557-570-572-575-577.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SHBL1 - 8761305 - Shell Beach, LA 7 mi49 min 72°F 78°F1020.1 hPa
NWCL1 - 8761927 - New Canal, LA 22 mi49 min 73°F 76°F1019.3 hPa
CARL1 23 mi49 min 77°F
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 32 mi49 min 74°F 71°F1020 hPa
FREL1 39 mi49 min 75°F 1019 hPa
BYGL1 - 8762482 - Bayou Gauche, LA 40 mi49 min 72°F 74°F1020.4 hPa

Wind History for Shell Beach, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
New Orleans Naval Air Station - Alvin Callender Field, LA20 mi24 minNW 48.00 miA Few Clouds77°F60°F56%1020 hPa

Link to 5 minute data for KNEW

Wind History from NEW (wind in knots)
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Last 24hr------------------------------------------------
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Tide / Current Tables for Shell Beach, Lake Borgne, Louisiana
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Shell Beach
Click for Map
Thu -- 12:09 AM CDT     0.83 feet Low Tide
Thu -- 03:53 AM CDT     0.89 feet High Tide
Thu -- 06:33 AM CDT     Moonset
Thu -- 06:52 AM CDT     Sunrise
Thu -- 09:07 AM CDT     0.83 feet Low Tide
Thu -- 04:06 PM CDT     Full Moon
Thu -- 04:12 PM CDT     1.16 feet High Tide
Thu -- 06:43 PM CDT     Sunset
Thu -- 07:01 PM CDT     Moonrise
Thu -- 11:32 PM CDT     0.95 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.80.90.90.90.90.90.90.80.80.80.90.911.11.11.21.21.11.11111

Tide / Current Tables for Paris Road Bridge, Mississippi River Delta, Louisiana
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Paris Road Bridge
Click for Map
Thu -- 01:08 AM CDT     0.70 feet Low Tide
Thu -- 04:40 AM CDT     0.76 feet High Tide
Thu -- 06:34 AM CDT     Moonset
Thu -- 06:53 AM CDT     Sunrise
Thu -- 10:05 AM CDT     0.71 feet Low Tide
Thu -- 04:06 PM CDT     Full Moon
Thu -- 04:59 PM CDT     0.99 feet High Tide
Thu -- 06:44 PM CDT     Sunset
Thu -- 07:02 PM CDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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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
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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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.