Tuesday, November30, 2021
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Marine Weather and Tides
Zachary, LA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
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 6:41AMSunset 5:04PM Tuesday November 30, 2021 6:34 PM CST (00:34 UTC) Moonrise 2:27AMMoonset 2:34PM Illumination 12% Phase: Waning Crescent; Moon at 26 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- 301 Pm Cst Tue Nov 30 2021
Tonight..Southeast winds 5 to 10 knots becoming south after midnight. Waves 1 foot or less. Dominant period 4 seconds.
Wednesday..East winds 5 to 10 knots becoming southeast in the afternoon. Waves less than 1 foot. Dominant period 4 seconds.
Wednesday night..South winds near 10 knots becoming northwest after midnight. Waves less than 1 foot. Dominant period 4 seconds.
Thursday..West winds near 5 knots becoming southwest late in the afternoon. Waves less than 1 foot. Dominant period 4 seconds.
Thursday night..South winds 5 to 10 knots becoming southwest after midnight. Waves less than 1 foot. Dominant period 4 seconds.
Friday..South winds near 5 knots becoming southeast in the afternoon. Waves less than 1 foot. Dominant period 4 seconds.
Friday night..South winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Saturday..Northeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Slight chance of showers in the afternoon.
Saturday night..Northeast winds 10 to 15 knots. Waves 1 foot or less. Dominant period 4 seconds.
Sunday..East winds 10 to 15 knots becoming southeast late in the afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Sunday night..Southeast winds near 10 knots becoming northwest after midnight. Waves 1 foot or less. Dominant period 4 seconds.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 301 Pm Cst Tue Nov 30 2021
Synopsis..High pressure will remain over the waters through the middle of the week before sliding east of the waters by the latter part of this week.


7 Day Forecast for Marine Location Near Zachary, LA
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location: 30.66, -91.16     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 302344 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 544 PM CST Tue Nov 30 2021

AVIATION(00Z TAFs).

IFR conditions expected from 09Z through 14Z for nearly all terminals, outside of MCB, due to fog development and low stratus. Outside of this fog threat, VFR conditions are expected at all terminals. HL

PREV DISCUSSION. /issued 404 PM CST Tue Nov 30 2021/

SHORT TERM (Tonight through Friday) .

High pressure will remain over the area bringing dry conditions with mild days and clear cool nights. A west-northwestly flow will remain in place through the next 36 hours while an upper level shortwave moves through the upper and middle MS Valley on Wednesday. Upper level ridging rebuilds behind it keeping conditions dry with a continued warming trend bringing temperatures into the middle 70s for highs though the next several days as lows will be in the upper 40s to the middle 50s. Surface high will move off to the east of the area by the latter half of the weak bringing a slow low level moisture return to the area with dewpoints returning to the 50s by Wednesday night/Thursday.

LONG TERM (Saturday through Tuesday) .

Ridging will move off to the east by the end of the week allowing for a SW flow to take hold as a lower latitude weak shortwave tracks over eastern TX Saturday AM. This feature will only bring a slight chance of showers into the area later on Saturday into Saturday night with the highest POPS being in the western half of the CWA. QPF at this time looks to be less than a 1/4 of an inch in most areas. Temperatures will remain above normal as warm thickness and 850 temps remain in place with SW flow out ahead of the next approaching system which will move into the area on Monday. Upper level trough digs through the Plains on Sunday as parallel flow potentially sets up enough on Monday to bring a more significant rain chance to the area out ahead of an approaching frontal boundary. The pattern appears to be finally trending towards a wetter pattern as we work our way into the early and middle part of next week while southern stream becomes more active through mid-week and another system follows in the wake of Monday's system.

AVIATION 18z. VFR will be the rule for daylight hours but one or two terminals could get some reduced vis toward sunrise tomorrow as patchy fog is possible.

MARINE .

High pressure will continue to allow winds to relax through Thursday. Nocturnal winds will mix to the sfc at night bringing wind speeds up to 10-15kt mainly in offshore areas. No significant weather system are expected to impact the marine area through the week with most wind speeds expected to be 10 knots or less.

PRELIMINARY POINT TEMPS/POPS. MCB 43 73 50 75 / 0 0 0 0 BTR 45 73 51 75 / 0 0 0 0 ASD 43 73 49 74 / 0 0 0 0 MSY 51 73 53 73 / 0 0 0 0 GPT 46 70 50 73 / 0 0 0 0 PQL 43 72 47 73 / 0 0 0 0

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 71 mi47 min SE 1G4.1 61°F 62°F1021.4 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, LA8 mi-43158 minN 010.00 miFair57°F46°F67%1021.4 hPa
New Roads False River Regional Airport, LA17 mi60 minN 010.00 miFair58°F45°F62%1021.7 hPa

Link to 5 minute data for KBTR

Wind History from BTR (wind in knots)
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2 days agoW3SE3NE4E3NE3W300N3E30N30030E4NW4E3N7N5N7N4N7

Tide / Current Tables for Weeks Bay, Vermilion Bay, Louisiana
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Weeks Bay
Click for Map
Tue -- 01:55 AM CST     1.37 feet High Tide
Tue -- 02:30 AM CST     Moonrise
Tue -- 06:44 AM CST     Sunrise
Tue -- 09:19 AM CST     0.41 feet Low Tide
Tue -- 02:37 PM CST     Moonset
Tue -- 03:16 PM CST     1.29 feet High Tide
Tue -- 05:07 PM CST     Sunset
Tue -- 09:05 PM CST     0.86 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Tide / Current Tables for Cote Blanche Island, West Cote Blanche Bay, Louisiana
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Cote Blanche Island
Click for Map
Tue -- 02:29 AM CST     Moonrise
Tue -- 02:30 AM CST     1.28 feet High Tide
Tue -- 06:43 AM CST     Sunrise
Tue -- 09:03 AM CST     0.39 feet Low Tide
Tue -- 02:37 PM CST     Moonset
Tue -- 03:51 PM CST     1.20 feet High Tide
Tue -- 05:07 PM CST     Sunset
Tue -- 08:49 PM CST     0.81 feet Low Tide
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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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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