Saturday, November17, 2018 L-36.com


Marine Weather and Tides
Venice, LA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:26AMSunset 5:04PM Saturday November 17, 2018 1:50 PM CST (19:50 UTC) Moonrise 2:56PMMoonset 1:53AM Illumination 73% Phase: Waxing Gibbous; Moon at 10 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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GMZ552 Coastal Waters From The Southwest Pass Of The Mississippi River To Port Fourchon Louisiana Out 20 Mile- 921 Am Cst Sat Nov 17 2018
Rest of today..East winds 5 to 10 knots. Seas 1 foot or less. Dominant period 4 seconds.
Tonight..East winds 5 to 10 knots. Seas 1 foot or less. Dominant period 4 seconds.
Sunday..Northeast winds 5 to 10 knots. Seas 1 foot or less. Dominant period 4 seconds.
Sunday night..Northeast winds 5 to 10 knots. Seas 1 foot or less. Dominant period 4 seconds.
Monday..Northeast winds 5 to 10 knots. Seas 1 foot or less. Dominant period 4 seconds. Slight chance of showers in the afternoon.
Monday night..Northeast winds 5 to 10 knots. Seas 1 foot or less. Dominant period 4 seconds. Chance of showers.
Tuesday..Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Chance of showers.
Tuesday night..Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 4 seconds. Slight chance of showers after midnight.
Wednesday..East winds 15 to 20 knots. Seas 2 to 4 feet. Slight chance of showers in the morning.
Wednesday night..East winds 15 to 20 knots. Seas 2 to 4 feet. Chance of showers.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 921 Am Cst Sat Nov 17 2018
Synopsis..High pressure will persist over the central gulf coast region through Monday. A cold front is expected to push through the central gulf coast region Tuesday and Tuesday night while a trough of low pressure develops off the texas coast.


7 Day Forecast for Marine Location Near Venice, LA
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location: 28.94, -89.4     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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Fxus64 klix 170917
afdlix
area forecast discussion
national weather service new orleans la
317 am cst Sat nov 17 2018

Synopsis
Surface high centered near the southern al-ms border early this
morning. Upper ridge off the west coast with upper trough near
hudson bay. Local area is in a zonal flow in the southern stream
of the jet. Little in the way of weather issues this morning,
although some observing sites reporting a little light fog. Away
from marine influences, temperatures are generally in the upper
30s and lower 40s at 2 am.

Short term
Airmass will remain fairly dry through Monday. A northern stream
shortwave will try to push a front through the area Monday into
Tuesday, but moisture will be very limited, and only a very minor
mention of rain will be in the forecast in the short term.

Temperatures return to near to above normal through Monday and
have generally taken a blended approach. 35

Long term
Beyond the Monday night Tuesday shortwave, medium range models
start to have timing and strength differences regarding the next
southern stream shortwaves to move across the region. While both
agree that a shortwave will move across the area on thanksgiving
day, the ECMWF has most of the rain remaining offshore while the
gfs paints a fairly wet picture across the southern half of our
area. Operational GFS seems to be on the wet side of the guidance
envelope, and wpc guidance discussion prefers the ECMWF solution.

Will trend somewhat drier than the GFS pop numbers. Definitely
timing issues for next weekend, with the ECMWF carrying higher
rain chances for next Saturday.

Clouds precipitation likely to hold high temperatures down on
thanksgiving day, otherwise temperatures should be near to above
normal for the extended period. Ensemble numbers from both GFS and
ecmwf don't show much spread on temperatures between their
members, so haven't had to make much in the way of adjustments. 35

Aviation
Mostly clear skies and good visibility will meanVFR conditions
should prevail through Sunday morning. The exception will be at khum
and some other south central louisiana airports where some patchy
fog may occasionally restrict the visibility into the 1 to 5 mile
range mainly until 14z today and again from 06-14z tonight Sunday
morning. Winds are expected to remain generally light. 22 td

Marine
A dome of surface high pressure over the central gulf coast region
will remain over the region through the weekend into Monday. This
will result in mostly east to northeast winds around 10 knots or
less and seas 2 feet or less across all waters through Monday.

Northeast to east winds are expected to rise into the 10 to 15 knots
range across western waters Tuesday and 15 to 20 knots over western
waters on Wednesday as an inverted trough of low pressure develops
off the texas coast. 22 td

Decision support
Dss code: green.

Deployed: none.

Activation: none.

Activities: river flood warnings on pearl and mississippi rivers.

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; marginal risk severe or excessive rain.

Yellow = heightened impacts with short-fused watch, warning or
advisory issuances; radar support for slight risk severe
or excessive rain.

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

Red = full engagement for moderate to high risk of severe and or
excessive rainfall, or direct tropical threats; events of
national significance.

Preliminary point temps pops
Mcb 67 42 69 47 0 0 0 10
btr 68 44 70 49 0 0 0 10
asd 68 44 71 49 0 0 0 0
msy 68 49 70 53 0 0 0 0
gpt 67 44 69 49 0 0 0 0
pql 68 41 70 47 0 0 0 0

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
PSTL1 - 8760922 - Pilot's East, SW Pass, LA 1 mi32 min ENE 11 G 13
BURL1 - Southwest Pass, LA 3 mi50 min NE 11 G 11 63°F 1022.5 hPa (-2.9)47°F
PILL1 18 mi32 min ENE 4.1 G 8 63°F 56°F1022.6 hPa
KMDJ 29 mi15 min
LOPL1 - Louisiana Offshore Oil Port, LA 33 mi49 min NE 7 G 8.9 61°F 1 ft1023.1 hPa47°F
GISL1 - 8761724 - Grand Isle, LA 37 mi32 min ENE 5.1 G 6 62°F 61°F1022.8 hPa
KMIS 38 mi15 min N 8.9 61°F 54°F
KXPY 44 mi15 min NE 5.1 63°F 48°F

Wind History for Pilots Station East, SW Pass, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Boothville, LA27 mi59 minNE 610.00 miFair62°F48°F60%1023.2 hPa

Wind History from BVE (wind in knots)
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Last 24hrNE43NE3CalmCalmCalmCalmCalmCalmCalmCalmW3NW3CalmCalmN3NE3NE4NE4NE5NE54NE5NE6
1 day agoN10--------------W5----------------------------NE6
2 days ago--NW13
G24
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G20
----------NW11----NW12
G19
--NW12
G20
------------NW10

Tide / Current Tables for Pilot Station, Southwest Pass, Louisiana
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Joseph Bayou, Mississippi River, Louisiana
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Weather Map and Satellite Images
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wmap_A
GOES Local Image of Southeast    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for New Orleans/Baton Rouge, LA (14,3,4,5)
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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.