Monday, April19, 2021
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Marine Weather and Tides
Woodmere, 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 6:27AMSunset 7:31PM Monday April 19, 2021 5:05 PM CDT (22:05 UTC) Moonrise 10:49AMMoonset 12:30AM Illumination 55% Phase: First Quarter Moon; Moon at 8 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- 400 Pm Cdt Mon Apr 19 2021
Tonight..South winds near 5 knots becoming north after midnight. Waves less than 1 foot. Dominant period 4 seconds.
Tuesday..Northeast winds 5 to 10 knots becoming west late in the afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Tuesday night..West winds 10 to 15 knots becoming northwest after midnight. Waves 1 foot or less. Dominant period 4 seconds. Waves or seas building to 1 to 3 feet. Dominant period 4 seconds after midnight.
Wednesday..North winds near 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Wednesday night..Northeast winds 15 to 20 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Thursday..East winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Thursday night..East winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Friday..Southeast winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Chance of showers in the afternoon.
Friday night..South winds 15 to 20 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Chance of showers in the evening. Slight chance of Thunderstorms through the night. Showers likely after midnight.
Saturday..Southwest winds near 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Showers likely in the morning. Slight chance of Thunderstorms through the day. Chance of showers in the afternoon.
Saturday night..Northwest winds 10 to 15 knots becoming north after midnight. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers and Thunderstorms in the evening.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 400 Pm Cdt Mon Apr 19 2021
Synopsis..High pressure will move across the northern gulf waters today and Tuesday. Another strong cold front will move through the region Tuesday night and early Wednesday morning with fairly strong high pressure and cool air building in behind the front Wednesday into Thursday before moving east on Friday.


7 Day Forecast for Marine Location Near Woodmere, LA
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location: 29.82, -90.06     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 192057 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 357 PM CDT Mon Apr 19 2021

SHORT TERM. Tonight through Wednesday night

High pressure will generally remain in control of the area's weather through the short term. A couple models try to squeeze out some light precip from the mid level clouds that will be traversing the area tonight associated with a fast-moving shortwave, but this appears pretty unlikely given the dearth of moisture in the low levels. I can't 100% rule out some over- zealous virga resulting in some light sprinkles, but doubt seriously anyone will see measurable precip. Will maintain silent 10% POPs for after midnight tonight.

A reinforcing front will move through the region late tomorrow and should be off shore by Wednesday morning. Again, not expecting anything in the way of precip associated with the front as there still won't be much moisture to work with. Have trended on the lower end of guidance for the lows and the higher end of guidance for the highs given the dry airmass. The one wrinkle in the forecast for tonight will be the passing clouds, though the thicker clouds shouldn't move in until after midnight, so think there is still potential for some decent radiative cooling before that.

Bottom line, am forecasting lows generally in the 40s for northern areas and 50s for southern areas tonight and tomorrow night. Lows should be a little cooler Wed night following the reinforcing front, and a few places could touch the upper 30s in northern areas. For highs, a warm afternoon tomorrow with highs in the mid to upper 70s, followed by a cool down in the wake of the front for Wednesday afternoon, with highs in the mid 60s to lower 70s.

LONG TERM. Going into the latter part of the work week, high pressure gradually shifts eastward as another upper trough approaches from the west. Generally looks like a warm front will move through the region Friday night, with a cold front on its tails Saturday. That being said, best rain chances will be Friday night into the first half of Saturday. Will mention the 12z model guidance and blend is a bit more progressive than the 00z runs with the surface front into the Gulf by Saturday evening.

SPC has areas to the west outlooked for Friday, and would not be surprised to see some kind of outlook area introduced for Saturday at some point. Though it may not be until Saturday is part of the shorter term forecast where probabilities don't have to be as high to warrant an outlook area. Still several days away, so plenty of time to narrow down the specifics. Don't think it will be any kind of large scale outbreak, but certainly can't rule out one or two severe storms given model forecast soundings with moderate instability and dewpoints in the upper 60s.

Once the front moves through, cool and dry high pressure builds into the area again.

AVIATION. Valid through 00z Wednesday . VFR conditions expected through the forecast period. Mid and high level cloud cover possible tonight as southern stream shortwave moves through. Dry low level air should preclude any restrictive ceilings. Expect winds to diminish through the afternoon and overnight.

MARINE. Fairly benign conditions expected across the waters through Tuesday. A front will move through the waters Tuesday night, putting an end to the more tranquil conditions. Behind the front, expect winds and seas to build as the gradient tightens and high pressure moves into the area. The center of the high remains north of the local area, with the gradient never fully relaxing. This will likely necessitate exercise caution headlines for various period through the end of the week and into the weekend as another frontal system moves through the area late Friday into Saturday.

PRELIMINARY POINT TEMPS/POPS. MCB 48 76 44 64 / 10 10 0 0 BTR 51 77 48 66 / 10 10 0 0 ASD 48 77 49 69 / 10 10 0 0 MSY 58 77 54 69 / 10 10 0 0 GPT 52 75 51 70 / 10 10 0 0 PQL 48 76 50 71 / 10 10 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 9 mi47 min 65°F
NWCL1 - 8761927 - New Canal, LA 15 mi47 min WNW 1.9 G 4.1 69°F 67°F1014.3 hPa
BYGL1 - 8762482 - Bayou Gauche, LA 19 mi47 min NNE 1.9 G 6 70°F 67°F1015 hPa
SHBL1 - 8761305 - Shell Beach, LA 21 mi47 min W 1.9 G 1.9 68°F 71°F1015.1 hPa
FREL1 28 mi47 min E 1.9 G 2.9 67°F 1014.1 hPa
GISL1 - 8761724 - Grand Isle, LA 39 mi47 min 8 G 9.9 68°F

Wind History for New Canal Station, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
New Orleans Naval Air Station - Alvin Callender Field, LA1 mi70 minN 010.00 miMostly Cloudy71°F44°F38%1014.8 hPa
New Orleans, New Orleans Lakefront Airport, LA15 mi72 minW 610.00 miFair74°F43°F33%1014.6 hPa
New Orleans, New Orleans International Airport, LA15 mi72 minN 010.00 miPartly Cloudy72°F40°F31%1015.5 hPa

Link to 5 minute data for KNBG

Wind History from NBG (wind in knots)
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Last 24hrNW6N3CalmNW3NW4NW3N5N6N8N7N6N5N4N4N4NE11
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1 day agoN7N7NE6N6N7N6N4N4NW6N4N3N5N4N4N6NE6NE7NE9E9NE3N4N8N9N7
2 days agoE6E7NE7E9NE6E7E8E6E8E6E5E6E5CalmNE3N4N9N7
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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
Mon -- 01:30 AM CDT     Moonset
Mon -- 06:28 AM CDT     Sunrise
Mon -- 08:07 AM CDT     -0.18 feet Low Tide
Mon -- 11:48 AM CDT     Moonrise
Mon -- 07:29 PM CDT     Sunset
Mon -- 08:27 PM CDT     1.13 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.60.40.30.10-0.1-0.2-0.2-0.2-0.100.10.30.40.60.70.911.11.11.11.11

Tide / Current Tables for Shell Beach, Lake Borgne, Louisiana
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Shell Beach
Click for Map
Mon -- 01:29 AM CDT     Moonset
Mon -- 06:27 AM CDT     Sunrise
Mon -- 07:09 AM CDT     -0.22 feet Low Tide
Mon -- 11:47 AM CDT     Moonrise
Mon -- 07:28 PM CDT     Sunset
Mon -- 07:40 PM CDT     1.33 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.60.40.20-0.1-0.2-0.2-0.2-0.1-00.10.30.50.70.911.11.31.31.31.31.21.1

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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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