Monday, December11, 2017 L-36.com


Marine Weather and Tides
Lacombe, LA

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:44AMSunset 5:00PM Monday December 11, 2017 4:48 PM CST (22:48 UTC) Moonrise 12:42AMMoonset 1:13PM Illumination 40% Phase: Third Quarter Moon; Moon at 23 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- 258 Pm Cst Mon Dec 11 2017
.small craft exercise caution in effect from midnight cst tonight through Tuesday morning...
Tonight..West winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Tuesday..Northwest winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Tuesday night..North winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Wednesday..Northeast winds near 5 knots becoming southwest in the late morning and afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Wednesday night..West winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Thursday..West winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Thursday night..Northwest winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Friday..Northwest winds 10 to 15 knots. Waves 2 to 4 feet.
Friday night..Northwest winds 5 to 10 knots becoming south after midnight. Waves 1 to 2 feet.
Saturday..South winds 5 to 10 knots. Waves 1 foot or less.
Saturday night..South winds 5 to 10 knots. Waves 1 foot or less.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 258 Pm Cst Mon Dec 11 2017
Synopsis..A cold front will move through the area late tonight followed by another cold front Thursday night.

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 112157
afdlix
area forecast discussion
national weather service new orleans la
357 pm cst Mon dec 11 2017

Discussion
Deep trough over the eastern united states will lift out of the
area tonight into tomorrow and high pressure will build into the
area. An amplifying shortwave trough will dive south across the
southeastern united state Tuesday. A cold front will move through
the area with no precipitation. This will knock temperatures down
for a few days... Highs dipping into the 50s and overnight lows
back down around freezing. A front moves into the region by
Thursday. No real chances of rain are expected until this weekend
as the sub- tropical jet carries pacific moisture across mexico
to the northern gulf coast. This moisture looks like it will
interact with the cold front until Saturday and at that time most
of the precipitation would be along the coasts. Another trough
will quickly come into play at the end of the forecast period.

Moisture will begin to rise as surface high pressure shifts east
and southerly flow develops. The next appreciable chance of rain
will develop Sunday Monday as a trough moves into the midsection
of the country then.

Aviation
Vfr cavu conditions expected all terminals next 24-30 hours.

Strong but dry cold frontal passage tonight will provide a period
of low level wind shear for a few hours overnight worthy of
carrying ws conditions at kmcb, kbtr and khdc prior to 10z. 24 rr

Marine
Re-enforcing cold high pressure will surge off the coast overnight,
bringing stronger north winds to bring SCA conditions that will
linger through about mid-day Tuesday before easing during the
afternoon hours. A period of moderate westerly flow becomes
established middle of the week before another surge of high pressure
builds into the north gulf later in the week. 24 rr

Decision support
Dss code: green.

Deployed: none.

Activation: none.

Activities: none.

Decision support services (dss) code legend
green = no weather impacts that require action.

Blue = long-fused watch, warning, or advisory in effect or
high visibility event.

Yellow = heightened impacts with short-fused watch, warning or
advisory issuances; radar support.

Orange = high impacts; slight to moderate risk severe;
nearby tropical events; hazmat or other large episodes.

Red = full engagement for moderate risk of severe and or
direct tropical threats; events of national significance.

Preliminary point temps pops
Mcb 40 55 31 57 0 0 0 0
btr 41 58 33 58 0 0 0 0
asd 43 59 34 58 0 0 0 0
msy 47 58 39 59 0 0 0 0
gpt 44 57 35 56 0 0 0 0
pql 42 58 33 57 0 0 0 0

Lix watches warnings advisories
La... None.

Gm... Small craft advisory from midnight tonight to noon cst Tuesday
for gmz536-538-550-552-555-557-570-572-575-577.

Ms... None.

Gm... Small craft advisory from midnight tonight to noon cst Tuesday
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 mi49 min SW 8 G 12 67°F 56°F1020.8 hPa (-1.8)
CARL1 22 mi49 min 51°F
FREL1 23 mi49 min WSW 4.1 G 8 68°F 1019.7 hPa (-1.8)37°F
OSTF1 - Stennis Test Facility 24 mi59 min SW 3.9 G 7.8 65°F 1021 hPa (-1.9)38°F
SHBL1 - 8761305 - Shell Beach, LA 33 mi49 min SSW 12 G 14 62°F 54°F1021.1 hPa (-1.9)
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 38 mi49 min SW 6 G 8 62°F 52°F1020.4 hPa (-1.7)
BYGL1 - 8762482 - Bayou Gauche, LA 38 mi49 min SW 5.1 G 8.9 67°F 55°F1021.6 hPa (-1.7)

Wind History for New Canal Station, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Slidell, Slidell Airport, LA14 mi56 minVar 410.00 miFair65°F37°F37%1020.5 hPa
New Orleans, New Orleans Lakefront Airport, LA15 mi56 minW 910.00 miFair62°F46°F58%1020.3 hPa
New Orleans, New Orleans International Airport, LA22 mi56 minWSW 910.00 miMostly Cloudy68°F37°F33%1021.3 hPa

Wind History from ASD (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm5----W6SW654
1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmN3CalmCalmCalmCalmCalmCalmS3S355SW74
2 days agoNW6N6N5N4Calm3CalmNW4NW4NW3CalmCalmCalmCalmCalmCalmCalm64NW8W7NW654

Tide / Current Tables for Tchefuncta River, Lake Pontchartrain, Louisiana
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Tchefuncta River
Click for Map
Mon -- 12:42 AM CST     Moonrise
Mon -- 06:47 AM CST     Sunrise
Mon -- 08:12 AM CST     0.32 feet High Tide
Mon -- 01:13 PM CST     Moonset
Mon -- 05:00 PM CST     Sunset
Mon -- 10:27 PM CST     0.17 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.10.10.10.20.20.30.30.30.30.30.30.30.30.30.30.20.20.20.20.20.20.20.20.2

Tide / Current Tables for Bayou BonFouca, Route 433, Louisiana
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Bayou BonFouca
Click for Map
Mon -- 12:41 AM CST     Moonrise
Mon -- 06:45 AM CST     Sunrise
Mon -- 07:48 AM CST     0.28 feet High Tide
Mon -- 01:11 PM CST     Moonset
Mon -- 04:59 PM CST     Sunset
Mon -- 09:37 PM CST     0.15 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.10.10.20.20.20.20.30.30.30.30.30.30.20.20.20.20.20.20.20.20.20.20.20.2

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Southeast    EDIT
Geos

Wind Forecast for New Orleans/Baton Rouge, LA (17,4,5,8)
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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 numerious 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.