Sunday, January16, 2022
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Marine Weather and Tides
Slidell, 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 6:54AMSunset 5:23PM Sunday January 16, 2022 3:43 AM CST (09:43 UTC) Moonrise 5:15PMMoonset 7:06AM Illumination 98% Phase: Waxing Gibbous; Moon at 14 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- 858 Pm Cst Sat Jan 15 2022
.gale warning in effect through Sunday afternoon...
Rest of tonight..West winds 25 to 30 knots. Waves 3 to 6 feet. Dominant period 4 seconds. Chance of showers early in the evening.
Sunday..Northwest winds 25 to 30 knots. Waves 3 to 6 feet. Dominant period 4 seconds.
Sunday night..Northwest winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds.
Monday..Northwest winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Monday night..Northwest winds near 10 knots becoming northeast after midnight. Waves 1 foot or less. Dominant period 4 seconds.
Tuesday..East winds near 10 knots becoming southeast late in the afternoon. Waves 1 to 2 feet. Dominant period 4 seconds.
Tuesday night..South winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Wednesday..South winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Chance of showers in the afternoon.
Wednesday night..Southwest winds 10 to 15 knots becoming north 15 to 20 knots after midnight. Waves 2 to 4 feet. Dominant period 4 seconds. Slight chance of Thunderstorms in the evening. Chance of showers through the night.
Thursday..North winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds. Chance of showers.
Thursday night..North winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds. Slight chance of light rain.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 858 Pm Cst Sat Jan 15 2022
Synopsis..A strong cold front is moving through coastal waters this evening and tonight followed by high pressure building in for the early to middle parts of next week.


7 Day Forecast for Marine Location Near Slidell, LA
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location: 30.27, -89.79     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 160549 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 1149 PM CST Sat Jan 15 2022

AVIATION UPDATE . Updated for 06z TAF issuance.

PREV DISCUSSION . /issued 400 PM CST Sat Jan 15 2022/

SHORT TERM . Tonight through Monday . Tonight, an upper level low pressure system will dominate the pattern. A cold front will continue to be moving through the area, which will enhance rain chances for our eastern areas. Some thunder will be possible as this system moves through the Mississippi Coast and eastern portions of SE Louisiana during the early evening hours. After the front moves through this evening, strong northwesterly flow and upper level convergence will advect cold and dry air into the region and help stabilize the environment. Looking at the models, wind speeds along the southshore areas will be breezy (20-30mph sustained), so a wind advisory is in effect from 6PM this evening through noon Sunday. Lingering cloud cover overnight will provide a low level moisture deck which, when combined with this strong cold air advection, will allow for the potential to see snow flurries in our SW MS counties overnight tonight, especially late this evening into early Sunday. Don't worry though because the ground temperatures will not be freezing at that time just yet, so the flurries will not stick to the ground. Lows overnight tonight are forecast to be in the mid 30s to upper 30s, since cloud cover will help to moderate the temperatures a small amount.

Sunday and Monday, upper level ridging will dominate the pattern. Northerly to northwesterly surface winds will continue to enhance cold and dry air advection into the area. Upper level convergence will act to continue introducing sinking and stable air into the environment. Rain chances will be low to nonexistent Sunday and Monday, looking at the models. Thanks to the strong CAA, lows Monday morning are still going to feel chilly and are forecast to be in the low 30s to upper 30s. MSW

LONG TERM . Tuesday through Friday . Tuesday, a weak shortwave upper level trough is expected to influence the area and zonal flow aloft will dominate the pattern. Tuesday will mainly be a transitional day for the atmosphere. Surface winds will transition to southerly flow, which will allow for warm air and moisture to be reintroduced into the environment. Some upper level divergence will allow for some lifting to occur as well in the environment. Rain is not expected Tuesday, looking at the models.

Wednesday into Thursday, a shortwave upper level trough is expected to move through the area. Southerly surface winds will act to enhance warm air advection and moisture advection into the area, which will increase instability in the environment. Weak low level convergence ahead of the front will allow for some lifting in the environment. Shear looking at the models seems decent (50-55kts) and the front should be able to provide some dynamic forcing to see some stronger storms. Gusty sub-severe winds (30-60mph) and lightning will be possible inside of stronger storms. The models are still in disagreement on the timing and strength of the system, so it will be worth watching as we move through the beginning of the week.

Thursday into Friday is even more uncertain in the models. Model consensus is that zonal flow will dominate the upper level pattern Thursday and Friday. Strong cold air advection behind the front Thursday into Friday and northerly surface winds will help to stabilize the environment. Lingering cloud cover will help to moderate temperatures some, but based on the current models, lows on Friday morning are forecast to be in the upper 20s to upper 30s. A shortwave upper level system is forecast to influence the area Friday, based on the general model consensus. This could definitely change as we move through the week and patterns become more fleshed out. Upper level convergence will act to enhance the sinking and stable air in the environment, however. And northerly to northeasterly surface winds will advect cold air and dry air into the area. Looking at the models, some rain may be possible along the coastal areas as the shortwave moves through the region, but rain chances will remain low for most of the area as parameters are not favorable for storms. MSW

AVIATION . 06Z TAF Package . All precipitation has moved out of the area. Terminals will be primarily MVFR but could swing up to VFR or down to IFR at times. Ceilings will remain low until late into the forecast period where they will slowly but steadily begin to rise. In addition, gusty winds up to 30-35 knots are possible until the clouds begin clearing out. Skies are anticipated to clear out late tomorrow night. -BL

MARINE . Tonight, winds will be very strong (30-35 kts) and northerly. A Gale Warning is in effect from 6PM this evening through the afternoon hours tomorrow. Tomorrow winds will be strong (25-30 kts) and northerly to northwesterly and decreasing through the day. Monday, winds will be moderate to strong (15-20 kts) and northerly. Tuesday, winds will be moderate (<15 knots) and transitioning from northerly to southerly. Wednesday, winds will be southerly and moderate (15-20 kts). Thursday and Friday, winds will be northerly and strong (15-25 kts). Saturday, winds will be northerly to northeasterly and strong (15-20 kts). Wave heights will correspond to the wind speeds. MSW

PRELIMINARY POINT TEMPS/POPS. MCB 33 47 34 58 / 30 10 0 0 BTR 34 52 34 60 / 10 0 0 0 ASD 34 51 36 61 / 50 0 0 0 MSY 37 51 39 59 / 40 0 0 0 GPT 35 49 36 59 / 90 0 0 0 PQL 34 49 34 58 / 90 0 0 0

LIX WATCHES/WARNINGS/ADVISORIES. LA . Wind Advisory until noon CST Sunday for LAZ060-061-063-064- 066>070-077-078.

GM . Gale Warning until 6 PM CST Sunday for GMZ530-532-534-536-538- 550-552-555-557-570-572-575-577.

MS . None. GM . Gale Warning until 6 PM CST Sunday for GMZ532-534-536-538-550- 552-555-557-570-572-575-577.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NWCL1 - 8761927 - New Canal, LA 24 mi55 min W 14G21 38°F 56°F1011 hPa
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 25 mi55 min WNW 16G20 37°F 53°F1009.8 hPa
SHBL1 - 8761305 - Shell Beach, LA 28 mi55 min W 19G25 39°F 58°F1010.9 hPa
CARL1 30 mi55 min 48°F
BYGL1 - 8762482 - Bayou Gauche, LA 47 mi55 min 38°F 54°F1012.7 hPa

Wind History for New Canal Station, LA
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Last 24 hrSE3
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Slidell, Slidell Airport, LA6 mi50 minW 8 G 1610.00 miOvercast37°F24°F59%1010.5 hPa
New Orleans, New Orleans Lakefront Airport, LA20 mi50 minWNW 28 G 3610.00 miOvercast and Windy40°F30°F68%1010.5 hPa

Link to 5 minute data for KASD

Wind History from ASD (wind in knots)
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Last 24 hr00E4E4SE4SE4SE6S11S10SE6SE6S50NW10
G25
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1 day ago00000NE4E7E5SE5E6S7S8S6SE5SE3E300000000
2 days ago0000003NW85566--30000000000

Tide / Current Tables for Long Point, Lake Borgne, Louisiana
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Long Point
Click for Map
Sun -- 06:05 AM CST     Moonset
Sun -- 06:55 AM CST     Sunrise
Sun -- 10:06 AM CST     -0.48 feet Low Tide
Sun -- 04:13 PM CST     Moonrise
Sun -- 05:21 PM CST     Sunset
Sun -- 11:29 PM CST     0.95 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Long Point, Lake Borgne, Louisiana, Tide feet
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0.9
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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
Sun -- 01:27 AM CST     1.03 feet High Tide
Sun -- 06:06 AM CST     Moonset
Sun -- 06:56 AM CST     Sunrise
Sun -- 01:33 PM CST     -0.53 feet Low Tide
Sun -- 04:15 PM CST     Moonrise
Sun -- 05:23 PM CST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Paris Road Bridge, Mississippi River Delta, Louisiana, Tide feet
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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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