Wednesday, January27, 2021
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L-36.com

Marine Weather and Tides
New Orleans, LA

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:51AMSunset 5:35PM Wednesday January 27, 2021 7:59 PM CST (01:59 UTC) Moonrise 4:33PMMoonset 6:09AM Illumination 100% Phase: Full Moon; Moon at 15 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- 353 Pm Cst Wed Jan 27 2021
.small craft advisory in effect through late tonight...
Tonight..North winds near 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds.
Thursday..North winds 15 to 20 knots easing to near 10 knots in the afternoon. Waves 3 to 5 feet. Dominant period 4 seconds. Waves or seas subsiding to 1 to 2 feet. Dominant period 4 seconds in the afternoon.
Thursday night..Northeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Friday..East winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Friday night..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Saturday..South winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Saturday night..Southwest winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds. Chance of showers in the evening, then showers likely after midnight.
Sunday..Northwest winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers.
Sunday night..Northwest winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Monday..Northwest winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Monday night..North winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 353 Pm Cst Wed Jan 27 2021
Synopsis..Strong high pressure with much colder air will build over the waters tonight and remain in place through Friday before moving east over the weekend. Another cold front is expected to move through the central gulf coast region on Sunday.


7 Day Forecast for Marine Location Near New Orleans, LA
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location: 30.07, -90.06     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 272222 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 422 PM CST Wed Jan 27 2021

SHORT TERM (Tonight through Saturday).

Surface high pressure with colder and drier air will build into the central Gulf coast region tonight through Friday along with brisk north winds. Skies already mostly cleared out nicely this afternoon, but some low level clouds may develop back into some northern/inland areas tonight. The strong cold air advection should bring low temperatures tonight down to mostly mid 30s along/north of the I-10/12 corridor with upper 30s to the lower 40s south. Any increased cloud areas should clear out fairly early on Thursday, but it will remain rather cool with highs only reaching the mid 50s. Another light freeze, still what should be fairly common this time of year, is expected Thursday night across southwest Mississippi into the usual colder portions of the northshore of Lake Pontchartrain into inland coastal Mississippi. Most other locations should see lows in the mid 30s to lower 40s. Friday will remain mostly sunny and dry with surface high pressure in place. A mid/upper ridge will move east across the central states towards the Mississippi valley. This will allow temperatures to rebound closer to normal with highs mostly around 60.

The mid/upper level shortwave ridge axis will move east into the eastern U.S. Saturday and a potent shortwave trough will move out of the Rockies into the central Plains region. The strong surface low associated with this system will cause southerly winds to increase in our region, and there may be enough moisture return and isentropic lift for a few showers to develop late in the afternoon across far northwest portions of the forecast area. Temperatures will continue the warming trend. Rain chances will then go up to 40 to 70 percent Saturday night as a cold front approaches and the tail end of a shortwave trough passes through. At this point, it appears there will be no thunderstorms but just showers with generally light rainfall amounts.

LONG TERM (Sunday through Wednesday).

The upper pattern will amplify Sunday with a deepening mid/upper level trough traversing east of the Mississippi River while a ridge builds over western states. The cold front will push through the forecast area on Sunday, so at this point it looks like the main chance of rain will be in the morning with clearing skies in the afternoon. Much cooler air will move back into the region at some point later on Sunday or Sunday night then dry and cooler conditions are expected for the start of next week. The next significant system at this point looks to be late in the week beyond this forecast period.

AVIATION.

Clear skies and excellent visibilities will prevail through Friday.

MARINE.

Winds behind the cold front will continue to pick up to near or exceeding 20 knots during the late afternoon to early evening hours tonight, especially in gusts as colder air and strong high pressure build into the central Gulf coast region. These conditions will continue through Thursday early to mid morning across tidal lakes and sounds and through midday across most open coastal waters. Winds and seas will gradually subside Thursday afternoon through Friday, but that improvement will be short-lived as southerly winds will pick up to 15 to 20 knots Saturday as high pressure moves east and a strong low pressure area develops in the southern Plains. These winds and associated seas will remain elevated going through the weekend and behind another fairly strong cold front that is expected to move through on Sunday.

PRELIMINARY POINT TEMPS/POPS. MCB 33 54 32 60 / 0 0 0 0 BTR 37 55 35 61 / 0 0 0 0 ASD 37 56 33 60 / 0 0 0 0 MSY 41 54 41 59 / 0 0 0 0 GPT 37 55 34 58 / 0 0 0 0 PQL 36 55 33 59 / 0 0 0 0

LIX WATCHES/WARNINGS/ADVISORIES. LA . None. GM . Small Craft Advisory until noon CST Thursday for GMZ550-552-555- 557-570-572-575-577.

Small Craft Advisory until 9 AM CST Thursday for GMZ532-534-536- 538.

Small Craft Advisory until 6 AM CST Thursday for GMZ530.

MS . None. GM . Small Craft Advisory until noon CST Thursday for GMZ552-555-557- 570-572-575-577.

Small Craft Advisory until 9 AM CST Thursday for GMZ534-536-538.



22/TD


Weather Reporting Stations
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Wind History for New Canal Station, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
New Orleans, New Orleans Lakefront Airport, LA3 mi67 minNNW 23 G 2810.00 miFair and Windy60°F47°F62%1023.3 hPa
New Orleans, New Orleans International Airport, LA12 mi67 minN 16 G 2310.00 miMostly Cloudy60°F46°F60%1024.1 hPa
New Orleans Naval Air Station - Alvin Callender Field, LA17 mi65 minN 7 G 1510.00 miMostly Cloudy59°F48°F67%1023.6 hPa
Slidell, Slidell Airport, LA23 mi67 minNNW 610.00 miFair57°F44°F62%1023.8 hPa

Link to 5 minute data for KNEW

Wind History from NEW (wind in knots)
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Last 24hrE8E7E6S8S8S9S10S13SW13W11SW9SW7NW9NW7NW11NW10NW9NW13NW11NW12NW11NW15N19N23
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1 day agoS14S13--SW13SW12S13SW12SW12S10SW9SW11NW9N14E7NE5NE4NE5E7SE8E7E8E10E9E9
2 days agoSE8SE8SE6SE6SE6SE7SE8S6S6SE5SE5SE6SE7S8S12S22
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Tide / Current Tables for Paris Road Bridge, Mississippi River Delta, Louisiana
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Paris Road Bridge
Click for Map
Wed -- 01:27 AM CST     1.05 feet High Tide
Wed -- 06:08 AM CST     Moonset
Wed -- 06:52 AM CST     Sunrise
Wed -- 01:31 PM CST     -0.58 feet Low Tide
Wed -- 04:33 PM CST     Moonrise
Wed -- 05:32 PM CST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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11110.90.70.50.30.1-0.1-0.3-0.4-0.5-0.6-0.6-0.5-0.4-0.3-0.100.20.40.60.8

Tide / Current Tables for Long Point, Lake Borgne, Louisiana
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Long Point
Click for Map
Wed -- 06:07 AM CST     Moonset
Wed -- 06:51 AM CST     Sunrise
Wed -- 10:04 AM CST     -0.52 feet Low Tide
Wed -- 04:31 PM CST     Moonrise
Wed -- 05:31 PM CST     Sunset
Wed -- 11:30 PM CST     0.98 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.90.80.70.50.30.1-0.1-0.3-0.4-0.5-0.5-0.5-0.4-0.4-0.2-0.100.20.40.50.70.80.91

Weather Map
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GEOS Local Image of    EDIT
NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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Ground Weather Radar Station



Gulf Stream Current



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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 numerous 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.