Wednesday, June28, 2017 L-36.com


Marine Weather and Tides
Golden Meadow, 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 6:04AMSunset 8:08PM Wednesday June 28, 2017 2:03 PM CDT (19:03 UTC) Moonrise 9:56AMMoonset 10:58PM Illumination 22% Phase: Waxing Crescent; Moon at 5 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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GMZ550 Coastal Waters From Port Fourchon La To Lower Atchafalaya River La Out 20 Nm- Coastal Waters From The Southwest Pass Of The Mississippi River To Port Fourchon Louisiana Out 20 Mile- 953 Am Cdt Wed Jun 28 2017
Rest of today..Southeast winds 10 to 15 knots. Seas 1 to 3 feet. Dominant period 4 seconds. Showers and Thunderstorms.
Tonight..South winds 15 to 20 knots. Seas 3 to 5 feet. Dominant period 4 seconds. Showers and Thunderstorms likely.
Thursday..South winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 5 seconds. Showers and Thunderstorms likely.
Thursday night..South winds 15 to 20 knots. Seas 3 to 5 feet. Dominant period 5 seconds. Chance of showers and Thunderstorms.
Friday..South winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 6 seconds. Chance of showers and Thunderstorms.
Friday night..South winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 6 seconds. Slight chance of showers and Thunderstorms in the evening.
Saturday..South winds 5 to 10 knots. Seas 2 to 4 feet. Dominant period 6 seconds.
Saturday night..Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 5 seconds.
Sunday..Southwest winds near 5 knots becoming south in the late morning and afternoon. Seas 1 to 2 feet. Dominant period 6 seconds.
Sunday night..Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 4 seconds.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 953 Am Cdt Wed Jun 28 2017
Synopsis..A stationary front will linger along the coast of louisiana and mississippi through Thursday. The front should then push back inland by Friday allowing high pressure to build from the atlantic for the upcoming weekend.

7 Day Forecast for Marine Location Near Golden Meadow, LA
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location: 29.13, -90.42     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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Fxus64 klix 280902
afdlix
area forecast discussion
national weather service new orleans la
402 am cdt Wed jun 28 2017

Short term
Deep tropical moisture over the western gulf will move into the
area from the southwest ahead of an upper level trough that has
sharpened from northeast to southwest into texas. This moisture
will slowly move over the area today through Thursday. The
environment that will be advecting through the area will cause
convective temps to fall from 88f to around 80f while the deep
moisture will allow precip water values to rise into the 2+"
levels. This will make it very easy to produce sh TS across the
area later today through Thursday. As this tropical air mass moves
to the northeast of the area, convective temps will rise. But as
the moisture remains in place, precip water values should remain
elevated enough to help in the production of sh TS once again
Friday. By the weekend, precip water levels should fall back to
more normal levels only allowing for hit and miss coverage going
through the weekend into next week.

Aviation
Convection is expected to develop and expand in coverage mainly
after 17z at nearly all terminals. Otherwise,VFR conditions are
expected outside convection where ifr to MVFR conditions are likely.

Downburst wind potential around 35 knots Wednesday.

Marine
Onshore flow has generally returned and will be in place through the
remainder of the forecast period. Winds will remain weak for most of
the forecast with a few periods of 10 to 15 knot winds being the
max. Seas will remain on the light side as well except near and any
thunderstorms that develop.

Decision support
Dss code: blue.

Deployed: none.

Activation: none.

Activities: monitoring hydro
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 86 70 83 72 50 30 70 30
btr 86 71 85 74 50 40 70 40
asd 85 73 82 75 60 50 70 40
msy 83 74 84 76 70 60 70 40
gpt 84 74 82 76 50 50 70 40
pql 84 73 82 75 50 50 70 40

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
KXPY 12 mi48 min S 16 73°F 70°F
GRBL1 24 mi123 min E 9.9 G 14 1016.5 hPa (+0.3)
GISL1 - 8761724 - Grand Isle, LA 26 mi45 min SE 6 G 11 79°F 83°F1016.8 hPa
LOPL1 - Louisiana Offshore Oil Port, LA 27 mi45 min 19 G 27 77°F 2 ft1017.1 hPa
KDLP 46 mi48 min ESE 9.9 81°F 73°F
BYGL1 - 8762482 - Bayou Gauche, LA 46 mi45 min SSE 7 G 9.9 83°F 83°F1016.7 hPa
KMDJ 47 mi48 min S 18 77°F 72°F

Wind History for Grand Isle, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Port Fourchon, LA12 mi68 minSE 105.00 miMostly Cloudy with Haze79°F73°F84%1016.9 hPa
Galliano, South Lafourche Airport, LA23 mi68 minSSE 510.00 miLight Drizzle80°F70°F73%1016.9 hPa

Wind History from XPY (wind in knots)
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Last 24hrE6NE5E5NE5NE4CalmE3SE8E6SE6E4E56E5CalmSE13S14
G25
SE8E6E9E6
G11
E8E7S16
1 day agoE9E11E8
G14
E8SE7E7CalmSE5N5
G10
NE5E11
G16
N5CalmN5CalmE5NE5E6NE5NE5NE7E5E65
2 days agoNE5NW15NE7NE7E5NE7E7SE7
G15
E7E3SE5CalmNE7NE11
G20
NE8NE7NE6NE8NE8NE8
G15
E11
G16
E13E11
G16
E10

Tide / Current Tables for Pelican Islands, Timbalier Bay, Mississippi River Delta, Louisiana
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Pelican Islands
Click for Map
Wed -- 02:21 AM CDT     0.00 feet Low Tide
Wed -- 06:05 AM CDT     Sunrise
Wed -- 10:56 AM CDT     Moonrise
Wed -- 03:01 PM CDT     1.18 feet High Tide
Wed -- 08:04 PM CDT     Sunset
Wed -- 11:58 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.10000.10.10.20.30.50.60.70.911.11.11.21.21.110.90.80.60.50.4

Tide / Current Tables for Timbalier Island, Timbalier Bay, Mississippi River Delta, Louisiana
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Timbalier Island
Click for Map
Wed -- 12:18 AM CDT     0.00 feet Low Tide
Wed -- 06:05 AM CDT     Sunrise
Wed -- 10:56 AM CDT     Moonrise
Wed -- 12:54 PM CDT     1.20 feet High Tide
Wed -- 08:05 PM CDT     Sunset
Wed -- 11:58 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
000.10.10.20.30.50.60.70.911.11.21.21.21.110.90.80.60.50.40.30.2

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 (15,3,4,5)
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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.