Saturday, July24, 2021
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Marine Weather and Tides
Bayou Cane, LA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
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 6:17AMSunset 8:02PM Saturday July 24, 2021 3:28 PM CDT (20:28 UTC) Moonrise 7:58PMMoonset 5:39AM 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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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- 950 Am Cdt Sat Jul 24 2021
Rest of today..Northwest winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms in the late morning and afternoon.
Tonight..Northwest winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers and Thunderstorms.
Sunday..North winds 5 to 10 knots becoming southeast late in the afternoon. Seas 1 to 2 feet. Dominant period 5 seconds. Chance of showers and Thunderstorms through the day.
Sunday night..East winds 5 to 10 knots. Seas 1 foot or less. Dominant period 5 seconds.
Monday..East winds 5 to 10 knots. Seas 2 to 4 feet. Dominant period 5 seconds. Slight chance of showers and Thunderstorms in the afternoon.
Monday night..East winds 5 to 10 knots. Seas 2 to 4 feet. Dominant period 5 seconds. Slight chance of showers and Thunderstorms after midnight.
Tuesday..Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 5 seconds. Chance of showers and Thunderstorms.
Tuesday night..Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 5 seconds. Chance of showers and Thunderstorms.
Wednesday..North winds near 5 knots becoming east late in the morning, then becoming south in the afternoon. Seas 1 to 2 feet. Dominant period 5 seconds. Chance of Thunderstorms in the morning. Showers likely through the day. Thunderstorms likely in the afternoon.
Wednesday night..South winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 950 Am Cdt Sat Jul 24 2021
Synopsis..A surface ridge over the northwest gulf of mexico will move slowly west this weekend. This weak high pressure will linger near the central gulf coast during the early to middle portion of next week.


7 Day Forecast for Marine Location Near Bayou Cane, LA
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location: 29.6, -90.76     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 242013 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 313 PM CDT Sat Jul 24 2021

SHORT TERM (Tonight through Monday Night). A weak upper level vort lobe rotating around a broad upper level ridge dominating the Southern Plains will slowly push to the south and west across the forecast area through Monday. This upper level vort lobe will bring slightly higher omega values and overall upper level lift to the area, and support increased convective chances each day. The convection will be entirely diurnal with convective activity peaking over land in the late afternoon and early evening hours when the convective temperature is surpassed and overall instability is maximized. Some drier air in the mid-levels will be supportive of gusty winds from the deepest convection, but conditions are not supportive of severe thunderstorm development through Monday. Temperatures will be near to slightly warmer than average through the period with highs in the low to mid 90s and lows in the mid to upper 70s. A few locations will likely only cool into the upper 80s. Dewpoints will remain fairly high in the mid to upper 70s, and this will allow for heat index values to average around 105 to 110 degrees from late morning through the afternoon hours both Sunday and Monday. A pre-emptive heat advisory will be issued for portions of the area tomorrow with a focus on the Northshore and the River Parishes.

LONG TERM (Tuesday through Friday Night). The prevailing deep layer northerly flow pattern in the mid and upper levels will persist through the end of the week, and a trough axis deepening over the eastern seaboard will drive a weak backdoor front into the area on Tuesday. This front should stall along the Gulf coast on Wednesday and then slowly dissipate through the remainder of the forecast period. As this boundary moves into the area, accompanying deeper moisture will also advect in from the north and push precipitable water values into the 2.25 to 2.5 inch range. These values are well above the average of around 2 inches this time of year, and will support greater convective activity and overall convective coverage from Wednesday through Friday. The convection will remain largely diurnal with convection peaking over land in the afternoon hours and peaking over the offshore waters during the late overnight and early morning hours. Temperatures will be near average with highs in the low to mid 90s and lows in the 70s through the period. Heat index values of around 105 degrees can be expected each day before convection develops and begins to cool temperatures down.

AVIATION. The 00z TAF package will likely show prevailing VFR conditions at all of the terminals for much of the period. Some widely scattered convection could produce brief periods of IFR visibilities if storms move directly over a terminal, and the peak period for these higher convective chances will be after 18z tomorrow.

MARINE. Very benign conditions are expected across the coastal waters through next week. Light winds of 10 knots or less and seas of 3 feet or less are forecast through the period. Scattered thunderstorm activity each day will be the primary concern. These storms could produce brief periods of gusty winds, choppy seas, and possibly a few waterspouts.

PRELIMINARY POINT TEMPS/POPS. MCB 75 94 75 93 / 30 50 30 50 BTR 76 95 77 95 / 20 50 30 60 ASD 77 94 76 94 / 30 50 30 40 MSY 79 93 79 93 / 30 50 30 40 GPT 78 90 77 91 / 30 40 20 30 PQL 76 92 75 93 / 30 30 20 30

LIX WATCHES/WARNINGS/ADVISORIES. LA . Heat Advisory until 6 PM CDT this evening for LAZ034>037-046>050- 056>059-065.

Heat Advisory from 10 AM to 7 PM CDT Sunday for LAZ034>037-039- 046>050-056>059-065-071-072-075-076.

GM . None. MS . Heat Advisory until 6 PM CDT this evening for MSZ068-069.

Heat Advisory from 10 AM to 7 PM CDT Sunday for MSZ068>071-077.

GM . None.

PG


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BYGL1 - 8762482 - Bayou Gauche, LA 22 mi58 min NNE 1 G 6 93°F 89°F1017.5 hPa
LUML1 - LUMCON Marine Center, LA 24 mi193 min 9.9 G 9.9 89°F 1018 hPa
TESL1 - Tesoro Marine Terminal - 8764044 - Berwick, LA 26 mi58 min W 2.9 G 8 91°F 84°F1018 hPa
TRBL1 - Terrebonne Bay, LA 30 mi178 min 6 G 6 87°F 1018 hPa
AMRL1 - 8764227 - Amerada Pass, LA 32 mi58 min W 2.9 G 6 92°F 88°F1018.2 hPa
EINL1 37 mi58 min WSW 8 G 9.9 87°F 85°F1018 hPa82°F
FREL1 39 mi58 min N 4.1 G 6 91°F 1016.4 hPa
CARL1 40 mi58 min 85°F
NWCL1 - 8761927 - New Canal, LA 45 mi58 min W 2.9 G 4.1 90°F 88°F1016.6 hPa
GISL1 - 8761724 - Grand Isle, LA 48 mi58 min 5.1 G 8 91°F 86°F1017.9 hPa

Wind History for West Bank 1, Bayou Gauche, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houma-Terrebonne Airport, LA6 mi38 minNE 77.00 miPartly Cloudy91°F79°F67%1017.3 hPa

Link to 5 minute data for KHUM

Wind History from HUM (wind in knots)
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Last 24hrW9W10W7W8--------------------NW7NW5NW8NW9N9NW9NW9NW9N5NE7
1 day agoW10
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W9SW10SW7--------------------CalmCalmCalmNW7--N8N7W6W6W6
2 days agoSW8W8SW7----------------------CalmCalmCalmSW3W6SW4W4--W7W7

Tide / Current Tables for Cocodrie, Terrebonne Bay, Louisiana
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Cocodrie
Click for Map
Sat -- 06:18 AM CDT     Sunrise
Sat -- 06:39 AM CDT     Moonset
Sat -- 12:00 PM CDT     1.42 feet High Tide
Sat -- 07:59 PM CDT     Sunset
Sat -- 08:56 PM CDT     Moonrise
Sat -- 11:37 PM CDT     -0.32 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.4-0.2-00.20.40.60.811.11.21.31.41.41.41.31.210.80.60.30.1-0.1-0.2-0.3

Tide / Current Tables for Shell Island, Louisiana
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Shell Island
Click for Map
Sat -- 06:20 AM CDT     Sunrise
Sat -- 06:41 AM CDT     Moonset
Sat -- 08:08 AM CDT     1.67 feet High Tide
Sat -- 11:27 AM CDT     1.43 feet Low Tide
Sat -- 03:43 PM CDT     1.48 feet High Tide
Sat -- 08:02 PM CDT     Sunset
Sat -- 08:59 PM CDT     Moonrise
Sat -- 10:49 PM CDT     -0.67 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.6-0.30.10.50.91.21.51.61.71.61.51.41.41.41.51.51.51.41.10.70.2-0.3-0.6-0.7

Weather Map
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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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