Wednesday, April1, 2020
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Marine Weather and Tides
Lacombe, 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 6:46AMSunset 7:19PM Wednesday April 1, 2020 4:06 AM CDT (09:06 UTC) Moonrise 11:30AMMoonset 1:04AM Illumination 58% Phase: Waxing Gibbous; Moon at 8 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- 1029 Pm Cdt Tue Mar 31 2020
.small craft advisory in effect until 7 am cdt Wednesday...
Rest of tonight..North winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds.
Wednesday..North winds 10 to 15 knots becoming west 5 to 10 knots late in the afternoon. Waves 1 to 2 feet. Dominant period 4 seconds.
Wednesday night..West winds 5 to 10 knots becoming northeast after midnight. Waves 1 to 2 feet. Dominant period 4 seconds.
Thursday..East winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Thursday night..Southeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Friday..Southeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Friday night..Southeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers after midnight.
Saturday..East winds 5 to 10 knots. Waves 1 to 2 feet. Chance of showers through the day. Slight chance of Thunderstorms in the afternoon.
Saturday night..East winds 5 to 10 knots. Waves 1 to 2 feet. Slight chance of Thunderstorms in the evening. Chance of showers through the night.
Sunday..East winds 10 to 15 knots. Waves 1 to 2 feet. Chance of showers.
Sunday night..Southeast winds 10 to 15 knots. Waves 1 to 2 feet. Chance of showers.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 1029 Pm Cdt Tue Mar 31 2020
Synopsis..High pressure will build over the waters tonight and remain in place through Thursday. The high will slide toward the eastern gulf by Friday and remain east of the area on Saturday and Sunday.


7 Day Forecast for Marine Location Near Lacombe, LA
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location: 30.25, -90.04     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 010902 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 402 AM CDT Wed Apr 1 2020

SHORT TERM. Dry conditions through Friday but return flow will begin to bring the humidity and warmth back to the area starting Thursday.

LONG TERM. /Saturday through Tuesday/ A relatively strong late season cold front moves out of Canada Friday but quickly shunts eastward to bring an elongated frontolytic boundary into the western Gulf States region Saturday. This should allow for decent rain chances with frontal convergence interacting with gulf breeze that may induce fringe cold air advection off the coast by Saturday evening. Frontal zone becomes diffuse to weak warm frontogenetic in nature come Sunday to allow for spotty convection as it pulls north in advance of next Plains system. Models are showing slow evolution of that system into middle of next week, thereby leaving the gulf coast region under the influence of moderate onshore flow. Temperatures should start off near normal Saturday but trend abnormally warm and humid into next week.

AVIATION. Any gustiness downwind of the tidal lakes at KNEW and KMSY should relent by mid-morning, if not sooner. Don't expect many, if any, clouds below FL200 through Thursday morning. 35

MARINE. Small craft advisory conditions will persist through 10am today. Winds and seas are expected to quickly drop below advisory levels by later this morning as a broad ridge of high pressure settles over the area. These benign conditions will persist through Thursday morning. The ridge axis is expected to push east of the region on Thursday, and a prevailing southeast flow of 10 to 15 knots should take hold and continue through Sunday. Seas should generally range from 1 to 2 feet in the lakes and sounds, and 2 to 4 feet in the open Gulf waters during this period. The next area of sh/ts will begin to affect the north central gulf over the weekend possibly into early next week.

DECISION SUPPORT. DSS code: Blue. Deployed: None. Activation: None. Activities: Forecast support for COVID-19 outdoor test sites. River Flood Warnings Small Craft Advisories this morning

PRELIMINARY POINT TEMPS/POPS. MCB 73 54 75 58 / 0 0 0 10 BTR 73 54 78 60 / 0 0 0 20 ASD 76 54 78 60 / 0 0 0 10 MSY 74 60 79 65 / 0 0 0 10 GPT 73 56 74 61 / 0 0 0 10 PQL 76 53 77 57 / 0 0 0 10

LIX WATCHES/WARNINGS/ADVISORIES. LA . None. GM . Small Craft Advisory until 10 AM CDT this morning for GMZ536-538- 550-552-555-557-570-572-575-577.

MS . None. GM . Small Craft Advisory until 10 AM CDT this morning for GMZ538-550- 552-555-557-570-572-575-577.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NWCL1 - 8761927 - New Canal, LA 16 mi48 min NNE 17 G 21 60°F 73°F1014.1 hPa
CARL1 22 mi48 min 60°F
FREL1 23 mi48 min N 13 G 18 58°F 1014.1 hPa
SHBL1 - 8761305 - Shell Beach, LA 33 mi54 min 59°F 74°F1014.5 hPa
BYGL1 - 8762482 - Bayou Gauche, LA 38 mi84 min NE 1.9 G 7 57°F 75°F1015.2 hPa
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 38 mi54 min N 11 G 13 57°F 68°F1015 hPa

Wind History for New Canal Station, LA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Slidell, Slidell Airport, LA14 mi73 minN 010.00 miFair49°F45°F86%1015 hPa
New Orleans, New Orleans International Airport, LA22 mi73 minNNE 11 G 1810.00 miA Few Clouds61°F45°F56%1015.2 hPa

Link to 5 minute data for KASD

Wind History from ASD (wind in knots)
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N6N5N6N6N3CalmCalmCalm
1 day agoNE3N3NE3NE4E7NE6E76E5E5E6SE7SE7SE8SE7SE4SE5S7SE6S10S9S6S10S10
2 days agoSW4CalmN6N5N6NE9N10N11
G20
5NE6N66N8N5CalmCalmN3N4N4N3NE3N4N3Calm

Tide / Current Tables for Paris Road Bridge, Mississippi River Delta, Louisiana
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Paris Road Bridge
Click for Map
Wed -- 02:02 AM CDT     Moonset
Wed -- 05:21 AM CDT     First Quarter
Wed -- 06:48 AM CDT     Sunrise
Wed -- 08:59 AM CDT     -0.26 feet Low Tide
Wed -- 12:29 PM CDT     Moonrise
Wed -- 07:18 PM CDT     Sunset
Wed -- 09:23 PM CDT     1.11 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.70.50.40.20-0.1-0.2-0.2-0.3-0.2-0.2-00.10.30.40.60.70.911.11.11.11.1

Tide / Current Tables for Long Point, Lake Borgne, Louisiana
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Long Point
Click for Map
Wed -- 02:01 AM CDT     Moonset
Wed -- 05:21 AM CDT     First Quarter
Wed -- 05:32 AM CDT     -0.24 feet Low Tide
Wed -- 06:47 AM CDT     Sunrise
Wed -- 12:28 PM CDT     Moonrise
Wed -- 06:43 PM CDT     1.01 feet High Tide
Wed -- 07:17 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.20-0.1-0.2-0.2-0.2-0.2-0.1-00.10.20.40.50.70.80.911110.90.80.7

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 (5,6,7,8)
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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.