Tuesday, September26, 2017 L-36.com


Marine Weather and Tides
Lafitte, 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 6:50AMSunset 6:52PM Tuesday September 26, 2017 7:41 AM CDT (12:41 UTC) Moonrise 11:34AMMoonset 10:25PM Illumination 33% Phase: Waxing Crescent; Moon at 6 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
    EDIT      (on/off)   Help
GMZ538 Chandeleur Sound-breton Sound- 338 Am Cdt Tue Sep 26 2017
Today..East winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Tonight..East winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Wednesday..East winds 5 to 10 knots becoming southeast late in the afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Wednesday night..South winds near 5 knots becoming northwest after midnight. Waves 1 foot or less. Dominant period 4 seconds.
Thursday..Northeast winds 5 to 10 knots becoming east late in the afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Thursday night..East winds near 5 knots becoming north 10 to 15 knots in the late evening. Waves 2 feet. Dominant period 4 seconds.
Friday..North winds 10 to 15 knots. Waves 2 to 3 feet. Dominant period 4 seconds.
Friday night..Northeast winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds.
Saturday..Northeast winds 15 to 20 knots. Waves 3 to 5 feet.
Saturday night..Northeast winds 15 to 20 knots. Waves 3 to 5 feet.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 338 Am Cdt Tue Sep 26 2017
Synopsis..Weak high pressure will remain over the region today and Wednesday. A cold front is expected to move into the coastal waters Friday morning then retreat north over the weekend.

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


Area Discussion for - New Orleans/Baton Rouge, LA
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus64 klix 261236
afdlix
area forecast discussion
national weather service new orleans la
736 am cdt Tue sep 26 2017

Sounding discussion
An increase in ridging aloft is evident as temperatures have
warmed significantly overnight around 500mb. This has led to an
increase in freezing levels to around 15.5kft, and allowed for a
sharp decrease in lapse rates and overall instability in the mid
to upper levels of the atmosphere. Lapse rates above 850mb are a
low 5.4c km which indicates a relatively stable airmass aloft.

This is also reflected in the low mixed layer CAPE value of only
456 j kg this morning. Below 850mb, a pool of moisture continues
to exist due to sustained southerly flow and some weak low level
instability is also present. With this in mind, most convection
today should be rather low topped. However, with the dry airmass
in place aloft, some gusty winds could occur with these showers.

This is supported by the relatively high dcape value of 877 j kg.

32

Preliminary point temps pops
Mcb 88 69 90 69 30 10 10 10
btr 89 69 90 71 30 10 10 10
asd 88 69 90 70 30 10 10 10
msy 88 72 89 74 40 10 10 10
gpt 87 71 89 71 30 10 10 10
pql 88 68 90 68 30 10 10 10

Lix watches warnings advisories
La... None.

Gm... None.

Ms... None.

Gm... None.



Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
GISL1 - 8761724 - Grand Isle, LA 20 mi42 min W 1.9 G 1.9 81°F 84°F1012.8 hPa (+1.1)
BYGL1 - 8762482 - Bayou Gauche, LA 26 mi42 min Calm G 1.9 75°F 83°F1013 hPa (+1.0)
CARL1 27 mi42 min 80°F
KXPY 30 mi27 min Calm 79°F 73°F
SHBL1 - 8761305 - Shell Beach, LA 31 mi42 min E 2.9 G 4.1 80°F 84°F1013 hPa (+1.2)
GRBL1 31 mi102 min Calm G 2.9 1011.8 hPa (-0.0)
NWCL1 - 8761927 - New Canal, LA 34 mi42 min E 1.9 G 4.1 77°F 83°F1012.8 hPa (+1.1)
KDLP 40 mi27 min Calm 84°F 75°F
FREL1 44 mi42 min NE 6 G 8 79°F 1011.8 hPa (+1.0)76°F
LOPL1 - Louisiana Offshore Oil Port, LA 45 mi67 min NW 1.9 G 2.9 81°F 1 ft1013.1 hPa
PILL1 49 mi42 min NNE 4.1 G 4.1 76°F 79°F1012.7 hPa (+1.2)

Wind History for Grand Isle, LA
(wind in knots)    EDIT      (on/off)   Help
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
Last
24hr
E4
NE4
NE5
NE4
G7
N3
NE4
E3
NE5
SE3
SE4
SE4
SE4
SE2
SE3
SE1
G4
SE4
S2
G5
SE4
G7
SE2
S2
S2
SW2
SW1
W2
1 day
ago
NE8
G12
E18
G29
E7
G10
E7
G12
E13
G17
E10
G16
E8
G12
E10
G14
E10
G17
E10
G17
E8
G15
E10
G14
E9
G15
E10
G16
E9
G16
E10
G15
E9
G12
E10
G17
E6
G10
SE5
G8
E7
E5
G8
E3
G6
NE5
2 days
ago
E7
G10
E7
G12
E8
G11
E7
G11
E5
G10
E5
G11
SE6
G10
SE3
G13
E5
G8
E8
G13
E10
G15
E8
G12
E9
G13
E7
G13
E8
E8
G13
E8
G11
SE6
G11
SE6
G10
E8
E6
G10
E9
G13
E8
G12
E11
G14

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Galliano, South Lafourche Airport, LA13 mi47 minN 00.25 miFog70°F68°F92%1012.5 hPa
New Orleans Naval Air Station - Alvin Callender Field, LA20 mi1.8 hrsN 07.00 miShallow Fog71°F71°F100%1012.1 hPa

Wind History from GAO (wind in knots)
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
-12
PM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
Last 24hrNE4NE5N7N6NE6NE7NE5NE5NE4E5E3CalmCalmCalmCalmCalmCalmN4CalmCalmCalmCalmCalmCalm
1 day agoNE6NE7NE5NE6NE7E10
G14
E8
G14
E7E6
G14
E7E7
G14
E4E6E4E5E4E4E3CalmCalmCalmCalmCalmN3
2 days agoCalmE4E6E5E5SE7NE8E5E6E3E6E4E5E3CalmCalmCalmCalmCalmCalmCalmCalmNE5NE5

Tide / Current Tables for Manilla, Mississippi River Delta, Louisiana
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Manilla
Click for Map
Tue -- 03:54 AM CDT     1.18 feet High Tide
Tue -- 06:50 AM CDT     Sunrise
Tue -- 12:33 PM CDT     Moonrise
Tue -- 04:34 PM CDT     0.35 feet Low Tide
Tue -- 06:51 PM CDT     Sunset
Tue -- 11:25 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.911.11.21.21.21.11.110.90.80.70.60.50.40.40.40.40.40.40.50.60.70.8

Tide / Current Tables for Independence Island, Mississippi River Delta, Louisiana
   EDIT      (on/off)   Help   One Week of Data
Independence Island
Click for Map
Tue -- 03:51 AM CDT     1.07 feet High Tide
Tue -- 06:50 AM CDT     Sunrise
Tue -- 12:32 PM CDT     Moonrise
Tue -- 03:20 PM CDT     0.32 feet Low Tide
Tue -- 06:51 PM CDT     Sunset
Tue -- 11:25 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.9111.11.11.110.90.80.70.60.50.40.40.30.30.30.30.40.40.50.60.70.7

Weather Map and Satellite Images
       (on/off)   Help
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 (8,2,3,4)
      (on/off)   Help

Ground Weather Radar Station New Orleans/Baton Rouge, LA
   (on/off)   Help
weather_mapweather_map weather_map

Gulf Stream Current


Ad by Google

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.