Friday, January28, 2022
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Marine Weather and Tides
Prairieville, 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 6:55AMSunset 5:38PM Friday January 28, 2022 3:41 PM CST (21:41 UTC) Moonrise 3:31AMMoonset 1:51PM Illumination 13% 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- 251 Pm Cst Fri Jan 28 2022
.small craft advisory in effect through late tonight...
Tonight..North winds 20 to 25 knots. Waves 3 to 5 feet. Dominant period 4 seconds.
Saturday..North winds 15 to 20 knots becoming northwest near 10 knots in the afternoon. Waves 2 to 4 feet. Dominant period 4 seconds.
Saturday night..Southwest winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Sunday..Southwest winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Sunday night..Southwest winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Monday..Southeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Monday night..Southeast winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Chance of showers through the night.
Tuesday..Southeast winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds. Showers likely in the morning, then chance of showers in the afternoon.
Tuesday night..Southeast winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Slight chance of Thunderstorms in the evening. Chance of showers through the night.
Wednesday..South winds near 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers.
Wednesday night..Southeast winds 10 to 15 knots becoming southwest after midnight. Waves 2 to 4 feet. Dominant period 4 seconds. Chance of showers through the night. Slight chance of Thunderstorms after midnight.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 251 Pm Cst Fri Jan 28 2022
Synopsis..High pressure will build in behind the overnight cold front this afternoon and remain in place through Monday. A low pressure system should pass through the waters next Tuesday.


7 Day Forecast for Marine Location Near Prairieville, LA
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location: 30.31, -90.94     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 282058 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 258 PM CST Fri Jan 28 2022

SHORT TERM. (Tonight through Sunday Night)

The next few days look to be fairly pleasant. The upper level trough finishes moving through the region, bringing in additional cold air to help reinforce lower temps. Overnight we are looking at min temps being brought down close to 25 degrees on the North Shore. While this is just above a hard freeze, there is the possibility that the northern locations could hit freeze due to local impacts. There is possibility of busting one way or the other. This could verify due to the cloud cover we have had today keeping our max temps low, or this could bust do the the fact that winds are too strong to decouple. Speaking of winds there is an advisory on the north shore due to stronger winds expected overnight, due to the combination of cold air advection, the tightened pressure gradient, and the interaction between lake Pontchartrain. However this is expected to be confined to just on the shore line. While the NBM was used for the overall forecast, the locations along the river valleys were trended down to account for the drainage. Even so the overall range of NBM solutions were fairly close on the box and whiskers plot, with the spread only around 5 degrees.

LONG TERM. (Monday through Friday)

The main impacts for the extended period is primarily going to be in regards to precip. While the NBM was used for this part of the forecast as well, it does need to be noted that the guidance has backed off on the strength of the upcoming system. For Monday and into Tuesday a disturbance is expected to move across the western Gulf of Mexico. This does open us up to return flow allowing moisture and temps to increase over the land sites. While the coastal sites can expect rain and thunderstorms, the land could very well remain dry. Using model Skew-Ts, there is some substance inversion around the 850-mb level but overall we look liker we will be caught between the system to the south and a disturbance to our north. While this leads to a decrease in rain chances Monday and Tuesday, the same is not the true for the rest of the week. Onshore flow Tuesday night and through Wednesday will lead to a recovering airmass over the region. We will not get into too much of the details at this time but there is some indication that the trough could deepen considerably to our west leading to a deepening surface low and a strong LLJ. While the system does need to continue to monitored, as it is fairly far out, currently there is expected to be a line of thunderstorms and possibly even a low threat of severe weather. -KO

AVIATION. 18Z TAF Package . VFR conditions will persist at all terminals through the forecast. The only slight impact will be winds but not anticipating any significant LLWS issues. Strongest winds will occur tonight around NEW and MSY with gusts likely between 25-35kts this evening and overnight. /CAB/

MARINE.

There are no major changes to the headlines, with a Small Craft Advisory transitioning into a Gale Warning overnight. Winds and Seas are expected to relax tomorrow, before the next system moves into the region. On Monday winds and seas are expected to increase with a low pressure system moving into the Gulf. -KO

PRELIMINARY POINT TEMPS/POPS. MCB 26 51 33 64 / 0 0 0 0 BTR 29 52 35 66 / 0 0 0 0 ASD 27 52 33 65 / 0 0 0 0 MSY 35 50 37 64 / 0 0 0 0 GPT 30 50 35 62 / 0 0 0 0 PQL 26 50 32 61 / 0 0 0 0

LIX WATCHES/WARNINGS/ADVISORIES. LA . Wind Advisory until 4 AM CST Saturday for LAZ058-060-061-064-070- 077-078.

Freeze Warning from midnight tonight to 8 AM CST Saturday for LAZ056>061-065.

GM . Small Craft Advisory until 6 PM CST this evening for GMZ536-538- 550-552-555-557-570-572-575-577.

Gale Warning from 6 PM this evening to 9 AM CST Saturday for GMZ536-538-550-552-555-557-570-572-575-577.

Small Craft Advisory until 6 AM CST Saturday for GMZ530-532-534.

MS . None. GM . Small Craft Advisory until 6 PM CST this evening for GMZ538-550- 552-555-557-570-572-575-577.

Gale Warning from 6 PM this evening to 9 AM CST Saturday for GMZ538-550-552-555-557-570-572-575-577.

Small Craft Advisory until 6 AM CST Saturday for GMZ532-534.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BYGL1 - 8762482 - Bayou Gauche, LA 45 mi54 min 54°F 51°F1023.6 hPa
TESL1 - Tesoro Marine Terminal - 8764044 - Berwick, LA 47 mi54 min NNW 15G24 53°F 44°F1024.8 hPa
NWCL1 - 8761927 - New Canal, LA 48 mi54 min W 6G8.9 50°F 51°F1022.4 hPa

Wind History for East Bank 1, Norco, B. LaBranche, LA
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Last 24 hr
1 day
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2 days
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Baton Rouge, Baton Rouge Metropolitan, Ryan Field, LA19 mi49 minN 15 G 2410.00 miFair54°F22°F29%1024.6 hPa

Link to 5 minute data for KBTR

Wind History from BTR (wind in knots)
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Last 24 hrW3W9W7NW6NW5NW3N4N4N5N3N4N4N6N9
G15
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G17
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1 day agoNE8N7N3N3N3N30N30NE40000N30N5E7E7SE30NW8W60
2 days agoN9N9N8N9N8N7N7N7N8N10
G18
N10N11N7N6N9N6NE8N7N8NE106N4NE76

Tide / Current Tables for Paris Road Bridge, Mississippi River Delta, Louisiana
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Paris Road Bridge
Click for Map
Fri -- 03:26 AM CST     Moonrise
Fri -- 06:51 AM CST     Sunrise
Fri -- 11:09 AM CST     -0.71 feet Low Tide
Fri -- 01:47 PM CST     Moonset
Fri -- 05:33 PM CST     Sunset
Fri -- 11:33 PM CST     1.22 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Paris Road Bridge, Mississippi River Delta, Louisiana, Tide feet
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1
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0.9
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0.8
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0.6
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0.4
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0.2
6
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-0.1
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-0.3
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-0.5
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-0.6
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-0.7
11
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-0.7
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-0.7
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-0.6
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-0.5
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-0.3
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-0.1
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0.1
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1
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1.1
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1.2


Tide / Current Tables for Cote Blanche Island, West Cote Blanche Bay, Louisiana
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Cote Blanche Island
Click for Map
Fri -- 03:33 AM CST     Moonrise
Fri -- 06:58 AM CST     Sunrise
Fri -- 08:47 AM CST     -0.91 feet Low Tide
Fri -- 01:55 PM CST     Moonset
Fri -- 05:41 PM CST     Sunset
Fri -- 06:16 PM CST     1.19 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Cote Blanche Island, West Cote Blanche Bay, Louisiana, Tide feet
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0.9
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0.7
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-0.6
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-0.3
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0.8
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1.1
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1.1


Weather Map
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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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