Friday, May26, 2017 L-36.com


Marine Weather and Tides
Lafitte, 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 6:00AMSunset 7:55PM Friday May 26, 2017 9:26 PM CDT (02:26 UTC) Moonrise 5:59AMMoonset 7:59PM Illumination 2% Phase: Waxing Crescent; Moon at 1 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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GMZ538 Chandeleur Sound-breton Sound- 336 Pm Cdt Fri May 26 2017
Tonight..South winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Saturday..South winds 10 to 15 knots. 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..South winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Sunday night..Southwest winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Monday..Southwest winds near 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Showers and Thunderstorms likely.
Monday night..Southwest winds 5 to 10 knots. Waves 1 foot or less. Chance of showers and Thunderstorms.
Tuesday..West winds 5 to 10 knots becoming southeast in the late morning and afternoon. Waves 1 foot or less. Chance of showers and Thunderstorms.
Tuesday night..Southeast winds 5 to 10 knots. Waves 1 foot or less. Slight chance of showers and Thunderstorms.
Wednesday..Southeast winds 5 to 10 knots. Waves 1 foot or less. Slight chance of showers and Thunderstorms.
Wednesday night..Southeast winds near 10 knots. Waves 1 foot or less. Slight chance of showers and Thunderstorms.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 336 Pm Cdt Fri May 26 2017
Synopsis..High pressure will remain centered over the eastern gulf of mexico and florida through early next week. A weak frontal boundary will stall and dissipate along the louisiana and mississippi coastline early next week.

7 Day Forecast for Marine Location Near Lafitte, LA
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location: 29.54, -90.06     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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Fxus64 klix 270148
afdlix
area forecast discussion
national weather service new orleans la
848 pm cdt Fri may 26 2017

Sounding discussion...

moisture is returning from onshore flow, though pw is still below
average at 1 inch. Winds are southerly at the sfc then become more
westerly with height. An elevated inversion is in the 900 to 800
mb layer. Overall conditions are still relatively dry and stable,
though some light patchy fog is possible in the early morning as
moisture will continue to increase overnight.

Krautmann

Prev discussion issued 338 pm cdt Fri may 26 2017
discussion...

temperatures will continue to warm and moisture levels will
increase over the weekend as a flat mid level ridge builds over
the central gulf coast region during the period. Meanwhile, an
upper low trough will move out of south central canada and into
the upper mississippi valley late in the weekend and translate
eastward across the great lakes region and into the northeast
conus through the middle of the week. This feature will push a
weak cold front into the forecast area memorial day into Tuesday
with the boundary gradually becoming diffuse thereafter. Rain
chances will be on the increase late in the weekend across
primarily the northwest sections of the p cwa, and then across
the entire forecast area Monday and Tuesday with the
aforementioned boundary serving as a focus. Rain chances will
gradually diminish as the week progresses with flat mid level
ridging again building across the gulf coast states. 11
aviation...

expectVFR conditions to prevail through the evening with southerly
winds generally in the 10 to 15 knot range. Winds will subside a bit
after sunset, and lower CIGS will gradually build in after midnight.

Expect MVFR or even a few hours of ifr CIGS at most terminals toward
daybreak. Conditions will improve again after sunrise Saturday. 95
marine...

little change in thinking from the previous forecast. A broad
ridge of high pressure will remain over florida and the eastern
gulf through the middle of next week. This will keep a general
onshore wind of 10 to 15 knots in place through the period in the
open gulf waters. Seas of 1 to 3 feet are also expected through
Wednesday. In the sounds and tidal lakes, a weak front will stall
and dissipate along the louisiana and mississippi coastline on
Monday night into Tuesday. Winds should decrease to around 5 knots
or less and turn more variable with the dissipating front in the
area. Waves will generally remain 2 feet or less through the
entire period. 32 95
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 69 89 73 89 0 10 10 30
btr 72 91 74 90 0 10 10 20
asd 69 88 74 89 0 10 10 20
msy 73 89 75 89 0 10 10 20
gpt 71 87 75 87 0 10 10 20
pql 67 87 73 87 0 10 10 10

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
GISL1 - 8761724 - Grand Isle, LA 20 mi39 min S 6 G 9.9 78°F 79°F1016.2 hPa
BYGL1 - 8762482 - Bayou Gauche, LA 26 mi39 min SSE 2.9 G 5.1 76°F 83°F1015.7 hPa
CARL1 27 mi39 min 73°F
KXPY 30 mi32 min SE 8 79°F 73°F
SHBL1 - 8761305 - Shell Beach, LA 31 mi39 min S 8 G 9.9 76°F 81°F1016.2 hPa
GRBL1 31 mi87 min SSE 8 G 8.9 1016 hPa (-0.0)
NWCL1 - 8761927 - New Canal, LA 34 mi39 min S 6 G 8.9 80°F 80°F1015.5 hPa
KDLP 40 mi27 min SSE 8 79°F 77°F
FREL1 44 mi39 min S 5.1 G 8 78°F 1014.3 hPa71°F
LOPL1 - Louisiana Offshore Oil Port, LA 45 mi59 min SSE 9.9 G 11 78°F 3 ft1017.1 hPa
PILL1 49 mi39 min S 4.1 G 5.1 75°F 73°F1016.8 hPa

Wind History for Grand Isle, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Galliano, South Lafourche Airport, LA13 mi32 minSSE 410.00 miPartly Cloudy76°F70°F82%1015.9 hPa
New Orleans, Naval Air Station - Alvin Callender Field, LA20 mi32 minS 610.00 miA Few Clouds77°F72°F85%1015.7 hPa

Wind History from GAO (wind in knots)
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Last 24hrCalmCalmS4S4S3SE6SE4S3S3SE5S9S10S11S11
G16
S10S9
G14
SW9S6SW6S6SE5S5S4SE4
1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSW6W8W8W7SW8SW9SW8SW9S9S7S3Calm
2 days agoCalmCalmNW6W4CalmNW4NW5NW5NW11NW5NW12
G16
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NW14NW13
G18
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G21
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NW11W7W3Calm

Tide / Current Tables for Manilla, Mississippi River Delta, Louisiana
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Manilla
Click for Map
Fri -- 12:13 AM CDT     -0.26 feet Low Tide
Fri -- 06:02 AM CDT     Sunrise
Fri -- 06:59 AM CDT     Moonrise
Fri -- 12:21 PM CDT     1.29 feet High Tide
Fri -- 07:52 PM CDT     Sunset
Fri -- 08:58 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.3-0.2-0.2-0.10.10.20.40.60.80.91.11.21.31.31.21.110.80.60.40.20-0.1-0.2

Tide / Current Tables for Independence Island, Mississippi River Delta, Louisiana
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Independence Island
Click for Map
Fri -- 06:02 AM CDT     Sunrise
Fri -- 06:59 AM CDT     Moonrise
Fri -- 12:18 PM CDT     1.17 feet High Tide
Fri -- 07:51 PM CDT     Sunset
Fri -- 08:58 PM CDT     Moonset
Fri -- 11:54 PM CDT     -0.29 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.2-0.2-0.10.10.20.30.50.60.80.911.11.21.21.110.80.60.40.20.1-0.1-0.2-0.3

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 (22,6,7,8)
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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 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.