Wednesday, February24, 2021
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Marine Weather and Tides
Slaughter, LA

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:33AMSunset 6:00PM Wednesday February 24, 2021 11:58 AM CST (17:58 UTC) Moonrise 3:21PMMoonset 4:54AM Illumination 95% 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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GMZ530 Lake Pontchartrain And Lake Maurepas- 921 Am Cst Wed Feb 24 2021
Rest of today..South winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Tonight..Southwest winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Thursday..Southwest winds near 5 knots becoming east late in the afternoon. Waves less than 1 foot. Dominant period 4 seconds. Slight chance of showers in the late morning and afternoon.
Thursday night..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Friday..South winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers.
Friday night..South winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Saturday..South winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Saturday night..Southeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Sunday..South winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers and Thunderstorms in the afternoon.
Sunday night..Southwest winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers after midnight.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 921 Am Cst Wed Feb 24 2021
Synopsis..High pressure will continue to shift east tonight. Another front approaches the coast on Thursday but may stall before moving into the gulf.


7 Day Forecast for Marine Location Near Slaughter, LA
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location: 30.7, -91     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 240932 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 332 AM CST Wed Feb 24 2021

SHORT TERM. As sfc high pressure moves east, return flow and moisture depth will begin to move back to the area. A very weak frontal boundary will settle just north of the area before stalling Thursday. Most of the weather this boundary will help produce will be north of the area but we could still see some showers move through from time to time starting Thursday. The biggst question here will be fog. This morning looks to be the best chance of it developing. Tonight should be mostly cloudy to cloudy which take away the radiation part but the cooling could come from the water. If this is the case, there could be some fog around by Thursday morning as well.

LONG TERM (Saturday through Tuesday). As shortwave wave exits the region Friday night, strong upper level ridge will begin building across the Gulf of Mexico and spreading northward. The strength of this high pressure system will determine rain chances. If its on the stronger side, it will generally shield most of the area from rain to the north. If not, troughs passing west to east, north of the area, bring rain farther south and into the CWA. Current forecast is slightly wetter than previous but still on the drier side of guidance. Either way, increasing 500mb heights will allow temps to substantially rise over the weekend. Could be looking at highs in the low 80s in a few locations Sunday. Will be keeping previous forecast trend of high temps above NBM and closer to the MEX.

Uncertainty increases rolling into next week. Global models are struggling with resolving the next trough which may be a faster moving shortwave or a slower moving deep upper low. With such big differences in solutions, will just stick with NBM blend.

MEFFER

AVIATION.

VFR through this taf cycle. Some -RA may begin to affect a few terminals by the end of this cycle though. There will also be a chance that a few sites observe some reduction in vis by late tonight as well.

MARINE.

Southerly winds are expected to remain light trough the end of the week. A cold front could move through the northern gulf during the first half of next week bringing some sh/ts and strong northerly winds.

PRELIMINARY POINT TEMPS/POPS. MCB 75 58 71 55 / 0 20 30 30 BTR 76 60 74 58 / 0 20 20 20 ASD 76 58 76 57 / 0 10 20 10 MSY 77 61 76 61 / 0 10 10 10 GPT 71 57 73 57 / 0 10 10 10 PQL 72 56 74 56 / 0 10 10 10

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 66 mi65 min S 6 G 8.9 70°F 54°F1020.1 hPa

Wind History for East Bank 1, Norco, B. LaBranche, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Baton Rouge, Baton Rouge Metropolitan, Ryan Field, LA14 mi66 minSE 710.00 miOvercast66°F55°F68%1020.2 hPa

Link to 5 minute data for KBTR

Wind History from BTR (wind in knots)
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Last 24hr4SW6SE4S8S7S6S6S5SE7S6S6S6CalmSE3CalmCalmNE3NE3NE3NE3CalmSE3S5SE7
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NW8NW9NW9NW4NW5NW4CalmN3N3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
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SE10SE8SE10E12SE12CalmE4E7SE6SE5CalmE4CalmCalmCalmCalmCalmW7NW8
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Tide / Current Tables for Paris Road Bridge, Mississippi River Delta, Louisiana
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Paris Road Bridge
Click for Map
Wed -- 12:16 AM CST     1.02 feet High Tide
Wed -- 04:47 AM CST     Moonset
Wed -- 06:30 AM CST     Sunrise
Wed -- 12:19 PM CST     -0.43 feet Low Tide
Wed -- 03:17 PM CST     Moonrise
Wed -- 05:55 PM CST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1110.80.70.50.30.1-0-0.2-0.3-0.4-0.4-0.4-0.4-0.3-0.1-00.10.30.50.60.80.9

Tide / Current Tables for Weeks Bay, Vermilion Bay, Louisiana
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Weeks Bay
Click for Map
Wed -- 04:55 AM CST     Moonset
Wed -- 06:38 AM CST     Sunrise
Wed -- 10:33 AM CST     -0.56 feet Low Tide
Wed -- 03:26 PM CST     Moonrise
Wed -- 06:03 PM CST     Sunset
Wed -- 06:11 PM CST     1.22 feet High Tide
Wed -- 11:38 PM CST     1.05 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.11110.80.60.40.1-0.2-0.4-0.5-0.5-0.4-0.10.20.60.91.11.21.21.21.11.11.1

Weather Map
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wmap_A
GEOS Local Image of    EDIT
NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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Other links: GEOS-West     Contential US     Full GOES-East
Ground Weather Radar Station



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.