Sunday, March7, 2021
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Marine Weather and Tides
Belle Chasse, 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 6:17AMSunset 6:04PM Sunday March 7, 2021 5:58 PM CST (23:58 UTC) Moonrise 2:16AMMoonset 12:35PM Illumination 31% Phase: Waning Crescent; Moon at 24 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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GMZ534 Lake Borgne- 352 Pm Cst Sun Mar 7 2021
Tonight..Northeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Monday..East winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds.
Monday night..East winds near 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Tuesday..Southeast winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds.
Tuesday night..Southeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Wednesday..Southeast winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds.
Wednesday night..Southeast winds near 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Thursday..Southeast winds near 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Thursday night..Southeast winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Friday..Southeast winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds.
Friday night..Southeast winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 352 Pm Cst Sun Mar 7 2021
Synopsis..High pressure will build into the region through Monday. The high will gradually shift eastward through the week.


7 Day Forecast for Marine Location Near Belle Chasse, LA
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location: 29.78, -90     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 072152 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 352 PM CST Sun Mar 7 2021

SHORT TERM. Tonight through Tuesday

Dry air mass remains in place tonight with low dewpoints and clear skies leading to efficient radiative cooling. Additionally, with surface high pressure located over the southern Appalachians, expect cold air drainage to result in the usual cooler temperatures along the Pearl and Pascagoula Rivers. Am carrying mid 30s along the two drainages, with generally upper 30s elsewhere along/north of the I-10/12 corridor and low to mid 40s south of the interstate.

High pressure shifts eastward Monday, with surface winds turning more southeasterly, and resulting in gradual warming and moistening trend through Tuesday. While lows on Tuesday will still be near or slightly below normal, expect afternoon highs to be about 5 degrees above normal.

LONG TERM. Wednesday through Saturday

Warming trend continues through midweek as upper ridging establishes itself over the southeastern US. By Wednesday, afternoon temperatures will be well above normal. By late in the week both morning lows and afternoon highs will be about 10 degrees above normal. Thursday looks to be the warmest day, with afternoon highs topping out around or just over 80 degrees most places. The one exception will be the MS Coast where cool shelf waters and onshore winds could mitigate warming.

Ridging remains in control of the area weather through at least Friday. Going into the weekend, model spread begins to increase substantially concerning an upper low and associated surface frontal system moving out of the Four Corners area and into the Mississippi Valley. Still plenty of time to iron out the details on that system with no appreciable rain chances before at least Saturday.

AVIATION. Valid through 06z Tuesday . Basically a wind forecast as no ceiling or visibility restrictions are expected. Winds will begin to ease by late afternoon with light to calm winds expected to persist through the night. Expect winds to pick up again after sunrise Monday with southeasterly winds of 7-12kts by midday. After sunset Tuesday, winds will once again calm to 5kts or less.

MARINE. The gradient between high pressure to the east and a series of low pressure systems passing from the four corners region to the Great Lakes will maintain a persistent moderate east to southeasterly flow over the coastal waters. Exercise caution headlines look to be needed across portions of the open waters during several forecast periods. The current headline has been extended through tonight for the outer waters. No appreciable rain chances through the end of the work week, but another front could bring more active weather to the waters next weekend.

PRELIMINARY POINT TEMPS/POPS. MCB 36 72 43 74 / 0 0 0 0 BTR 39 72 48 76 / 0 0 0 0 ASD 36 71 44 74 / 0 0 0 0 MSY 46 72 52 75 / 0 0 0 0 GPT 38 69 45 71 / 0 0 0 0 PQL 35 70 42 72 / 0 0 0 0

LIX WATCHES/WARNINGS/ADVISORIES. LA . None. GM . None. MS . None. GM . None.



95/DM


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CARL1 13 mi59 min 47°F
NWCL1 - 8761927 - New Canal, LA 18 mi59 min NNE 2.9 G 5.1 60°F 58°F1027.4 hPa (+0.0)
SHBL1 - 8761305 - Shell Beach, LA 18 mi59 min ENE 6 G 7 63°F 64°F1028.3 hPa (-0.0)
BYGL1 - 8762482 - Bayou Gauche, LA 22 mi59 min ENE 2.9 G 5.1 65°F 64°F1028.3 hPa (+0.3)
FREL1 32 mi59 min ESE 5.1 G 6 61°F 1027.1 hPa (-0.3)
GISL1 - 8761724 - Grand Isle, LA 36 mi59 min 9.9 G 16 63°F

Wind History for Shell Beach, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
New Orleans Naval Air Station - Alvin Callender Field, LA4 mi64 minESE 510.00 miFair64°F33°F32%1028 hPa
New Orleans, New Orleans Lakefront Airport, LA18 mi66 minNE 410.00 miFair66°F36°F33%1027.6 hPa
New Orleans, New Orleans International Airport, LA19 mi66 minNNE 510.00 miPartly Cloudy66°F32°F28%1028.3 hPa

Link to 5 minute data for KNBG

Wind History from NBG (wind in knots)
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Last 24hrN5N6N7N7N9N6N5NE6NE5NE7NE6NE9NE6NE8--NE13NE12
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1 day agoE6E6--NE4NE4NE4NE6NE5NE11NE5N5N6N5NE5N9NE9NE10
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2 days agoE5--SW3S5CalmSW3CalmCalmCalmE3Calm--E3CalmCalmNE6NE5SE8SE9SE8S9S7S7E5

Tide / Current Tables for Paris Road Bridge, Mississippi River Delta, Louisiana
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Paris Road Bridge
Click for Map
Sun -- 02:16 AM CST     Moonrise
Sun -- 06:18 AM CST     Sunrise
Sun -- 09:40 AM CST     -0.49 feet Low Tide
Sun -- 12:34 PM CST     Moonset
Sun -- 06:03 PM CST     Sunset
Sun -- 09:57 PM CST     1.18 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.90.80.60.40.2-0-0.2-0.3-0.4-0.5-0.5-0.4-0.3-0.2-00.10.40.60.80.91.11.21.21.2

Tide / Current Tables for Shell Beach, Lake Borgne, Louisiana
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Shell Beach
Click for Map
Sun -- 02:15 AM CST     Moonrise
Sun -- 06:17 AM CST     Sunrise
Sun -- 08:42 AM CST     -0.58 feet Low Tide
Sun -- 12:33 PM CST     Moonset
Sun -- 06:02 PM CST     Sunset
Sun -- 09:10 PM CST     1.39 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.90.70.50.2-0-0.2-0.4-0.5-0.6-0.6-0.5-0.4-0.3-0.10.10.40.60.81.11.21.31.41.41.3

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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