Wednesday, May24, 2017 L-36.com


Marine Weather and Tides
Lacombe, LA

Version 3.4
What's New / NOTES
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 5:58AMSunset 7:53PM Wednesday May 24, 2017 8:33 AM CDT (13:33 UTC) Moonrise 4:15AMMoonset 5:45PM Illumination 1% Phase: Waning Crescent; Moon at 28 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- 320 Am Cdt Wed May 24 2017
.small craft exercise caution in effect through this evening...
Today..Northwest winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds.
Tonight..Northwest winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds.
Thursday..West winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Thursday night..South winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Friday..South winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Friday night..South winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Saturday..South winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Saturday night..South winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Sunday..Southwest winds 10 to 15 knots. Waves 1 to 2 feet. Chance of showers and Thunderstorms.
Sunday night..Southwest winds 10 to 15 knots. Waves 1 to 2 feet. Chance of showers and Thunderstorms.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 320 Am Cdt Wed May 24 2017
Synopsis.. A cold front is moving through the area this morning allowing high pressure to settle over the coastal waters today into Thursday. High pressure will then move east by Friday into the weekend as low pressure develops over the southern plains.

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 240912
afdlix
area forecast discussion
national weather service new orleans la
412 am cdt Wed may 24 2017

Short term
Cold front slowly making its way through the area this morning.

Strong short wave moving out of the base of the upper trough as
well. But strong dry air intrusion from 850mb up is coming in
ahead of the actual cold front. This deep layer is devouring
anything that tries to develop along and ahead of the front. This
case is just the opposite over the gulf this morning where severe
thunderstorms are developing. Once the front moves through, dry
air will gradually move in behind it making for a very nice few
days. Friday will be a transition day as southerly winds begin to
bring back deep moisture ahead of another front that is expected
to start affecting the area over the weekend. Memorial day may see
some thunderstorm activity, but there may be a few windows of
opportunity for outdoor activities honoring our fallen veterans.

Long term
The cold front stalls along the coast through what looks to be a
good part of next week. Activity along the boundary may also
become a diurnal hit and miss each day. A few upper disturbances
may also move along the stalled trough interface to produce some
overnight thunderstorms one or two nights as well. Resolving this
may come on a daily basis.

Aviation
Bkn015-030 ceilings with some -shra will move through this
morning. There is the possibility of a tsra for south shore
terminals but chances are not high enough to set for any one site.

Once the cold front moves through later this morning, skies will
begin to clear andVFR conditions should remain through the
remainder of the TAF period.

Marine
A cold front will move thorugh this morning causing winds to
rapidly increase from the NW up to 25kt. Small craft advisories
have been continued for this through this evening. Winds should
start to lay late tonight and become light westerly by Thursday
morning. A steady southerly fetch is expected to begin Thursday
night and remain into next week.

Decision support...

dss code... Blue.

Deployed... None.

Activation... None.

Activities... Monitoring mississippi river flooding.

Decision support services (dss) code legend
green = no weather impacts that require action
blue = long fused watch warning advisory in effect or high
visibility event
yellow = heightened impacts with short fused
watch warning 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 tonight risk svr
and or direct tropical threats; events of national
significance

Preliminary point temps pops
Mcb 76 52 83 62 10 0 0 0
btr 77 55 84 64 10 0 0 0
asd 79 56 84 67 10 0 0 0
msy 79 60 84 68 10 0 0 0
gpt 80 59 84 70 20 0 0 0
pql 79 55 83 65 30 0 0 0

Lix watches warnings advisories
La... None.

Gm... Small craft advisory until 10 pm cdt this evening for gmz550-552-
570-572.

Small craft advisory until 1 am cdt Thursday for gmz532-536-538-
555-557-575-577.

Ms... None.

Gm... Small craft advisory until 10 pm cdt this evening for gmz552-570-
572.

Small craft advisory until 1 am cdt Thursday for gmz536-538-555-
557-575-577.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NWCL1 - 8761927 - New Canal, LA 16 mi46 min NW 6 G 15 69°F 78°F1004.8 hPa
CARL1 22 mi46 min 72°F
FREL1 23 mi46 min NW 5.1 G 16 67°F 1004 hPa56°F
OSTF1 - Stennis Test Facility 24 mi44 min NNW 3.9 G 7.8 67°F 1004.6 hPa (-0.0)61°F
SHBL1 - 8761305 - Shell Beach, LA 33 mi46 min NW 22 G 25 71°F 79°F1003.9 hPa
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 38 mi46 min NW 13 G 15 68°F 79°F1003.6 hPa
BYGL1 - 8762482 - Bayou Gauche, LA 38 mi46 min NW 7 G 14 68°F 79°F1005.3 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 mi41 minVar 310.00 miMostly Cloudy68°F61°F78%1004.5 hPa
New Orleans, New Orleans Lakefront Airport, LA15 mi41 minNW 1810.00 miOvercast and Breezy70°F62°F76%1004.3 hPa
New Orleans, New Orleans International Airport, LA22 mi41 minNW 14 G 2210.00 miMostly Cloudy68°F57°F70%1005.3 hPa

Wind History from ASD (wind in knots)
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Last 24hrW645W8W7W9
G16
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G16
6W434CalmCalm3CalmCalmCalmCalmCalm53NW6NW63
1 day agoCalmE43CalmCalmSW4S33SE5CalmE3E4E3E3E3S7
G18
S7S5S7S10S11
G22
SW8
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4
2 days agoSE6E4E7SE6SE7SE6SE5SE5E3CalmN5N11
G17
E6SE6S5N6SW3N8N7N4N7N6CalmE3

Tide / Current Tables for Tchefuncta River, Lake Pontchartrain, Louisiana
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Tchefuncta River
Click for Map
Wed -- 05:16 AM CDT     Moonrise
Wed -- 05:39 AM CDT     0.04 feet Low Tide
Wed -- 06:01 AM CDT     Sunrise
Wed -- 06:44 PM CDT     Moonset
Wed -- 07:34 PM CDT     0.64 feet High Tide
Wed -- 07:53 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.30.30.20.10.1000.10.10.20.20.30.30.40.40.50.50.60.60.60.60.60.60.5

Tide / Current Tables for Bayou BonFouca, Route 433, Louisiana
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Bayou BonFouca
Click for Map
Wed -- 04:49 AM CDT     0.04 feet Low Tide
Wed -- 05:14 AM CDT     Moonrise
Wed -- 06:00 AM CDT     Sunrise
Wed -- 06:42 PM CDT     Moonset
Wed -- 07:10 PM CDT     0.58 feet High Tide
Wed -- 07:51 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.30.20.10.1000.10.10.10.20.20.30.30.40.40.40.50.50.60.60.60.50.50.4

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 (9,2,3,4)
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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.