Slidell, LA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Slidell, LA

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June 8, 2023 12:40 PM CDT (17:40 UTC)
Sunrise 5:55AM   Sunset 8:00PM   Moonrise  12:00AM   Moonset 10:34AM 

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. Privacy and Cookie policy

Marine Forecasts
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GMZ534 Lake Borgne- 1025 Am Cdt Thu Jun 8 2023
Rest of today..Northwest winds 5 to 10 knots, becoming southwest this afternoon. Waves 1 foot or less, then 1 to 2 feet this afternoon. A chance of showers and Thunderstorms this afternoon.
Tonight..West winds 10 to 15 knots with gusts up to 20 knots. Waves around 2 feet. A chance of showers and Thunderstorms in the evening.
Friday..Northwest winds 5 to 10 knots, becoming southwest in the afternoon. Waves 1 foot or less. A chance of showers and Thunderstorms in the afternoon.
Friday night..South winds 5 to 10 knots, becoming west after midnight. Waves 1 foot or less. A slight chance of showers and Thunderstorms in the evening.
Saturday..Southwest winds 5 to 10 knots. Waves 1 foot or less, then around 2 feet in the afternoon. A slight chance of showers and Thunderstorms in the morning, then a chance of showers and Thunderstorms in the afternoon.
Saturday night..Southwest winds 10 to 15 knots. Waves 2 to 3 feet. A slight chance of showers and Thunderstorms in the evening.
Sunday..Southwest winds 10 to 15 knots. Waves around 2 feet. A chance of showers and Thunderstorms in the afternoon.
Sunday night..Southwest winds 10 to 15 knots. Waves around 2 feet. A slight chance of Thunderstorms in the evening. A slight chance of showers.
Monday..Southwest winds around 10 knots. Waves around 2 feet. A slight chance of showers and Thunderstorms in the morning, then a chance of showers and Thunderstorms in the afternoon.
Monday night..Southwest winds around 10 knots. Waves around 2 feet. A slight chance of showers and Thunderstorms in the evening.
winds and waves higher in and near Thunderstorms.
GMZ500 1025 Am Cdt Thu Jun 8 2023
Synopsis for pascagoula to atchafalaya river out 60 nm..
lighter winds and calm seas are expected to continue for the next several days with highest winds out of the west at around 10 knots during the afternoon hours each day. Maintain awareness if a marine warning is issued nearby as locally higher winds, enhanced seas, and brief waterspouts will be possible in and around showers and Thunderstorms, especially during the overnight and early morning hours.


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


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 081201 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 701 AM CDT Thu Jun 8 2023

New AVIATION

SHORT TERM
(Today through Friday)
Issued at 400 AM CDT Thu Jun 8 2023

Overall pattern continue to be dominated by upper lows over New England and near the Nevada-California border. Upper ridging was noted from northern Mexico northward into the Dakotas. Troughing associated with the New England low was evident across pretty much the entire portion of the country east of the Mississippi River.
Locally, the surface pressure pattern continues to be rather weak with no significant surface features nearby. A backdoor cold front, with dew points below 60F was well to our north and northeast near a Memphis to Birmingham line.

Radar early this morning showed a few thunderstorms to the southwest of Terrebonne Parish over the Gulf. However, these are moving away from the coast, as opposed to the previous few mornings where they were moving toward the coast. Temperatures at 3 AM CDT ranged from the upper 60s to mid 70s.

Forecast problem for the next 36 hours is the potential for thunderstorm development and the effect on high temperatures.
Precipitable water values that were in the 1.6 to 1.8 range Wednesday evening are forecast to be in the 1.3 to 1.5 range today and Friday. This would argue for somewhat lower areal coverage of storms, especially as one goes further north and east. Forecast convective temperatures near or just above 90 the next couple days means there should be little, if any, thunderstorm development during the morning hours. A few storms could linger beyond 00z both days, but should be isolated enough to leave out of the overnight portion of the forecast.

See no reason for high temperatures to be any cooler today or tomorrow than they were on Wednesday, and perhaps a degree or two warmer.

LONG TERM
(Friday night through Wednesday)
Issued at 400 AM CDT Thu Jun 8 2023

A shortwave moving across the ridging to our west has the potential to produce a cluster of thunderstorms Saturday afternoon, potentially lingering into the evening. With steep low level lapse rates and DCAPE values potentially in excess of 1000, there is at least a low end threat of damaging winds if the cluster of storms makes it this far south and east.

Beyond Saturday night, the ridging to our west will work into the area for Sunday into the middle of next week. Precipitable water values could fall below 1.25 inches for a good bit of the area Tuesday and Wednesday. This would suppress most or all thunderstorm development beyond Monday, and at this point, we may actually need to lower Monday's rain chances in later packages.
But with forecast precipitable water values in the 1.4 to 1.6 range on Monday and no significant capping, will let those numbers stand for now.

Saturday's high temperatures will be somewhat dependent on convective timing, but anticipate that most areas away from the coast should get into the lower 90s. By Tuesday and Wednesday, areas away from the coast are likely to get into the mid 90s. The NBM deterministic numbers are running above the global deterministic numbers as well as the ensemble means, and we may need to drop those a degree or two. Dew points will be creeping up a bit by early to mid week into the 70s, with heat index values reaching 105 in some areas. Beyond the forecast range, global ensemble mean temperatures have dropped a few degrees, but we'll wait and see if this is a one-run deviation or a definitive trend. With it getting to mid June, certainly temperatures well into the 90s become much more common.

AVIATION
(12Z TAFS)
Issued at 649 AM CDT Thu Jun 8 2023

All terminals currently VFR, and expected to remain that way through at least the morning hours. Convective threat will be mainly during the afternoon hours, and primarily from the Interstate 10/12 corridor southward. Areal coverage at any one time probably won't be much more than 20-30 percent, and won't be fast moving. Will use VCTS at most terminals from early afternoon through 01-02z. Any flight restrictions due to convection would primarily be visibilities, which could be IFR or lower. Overnight, there will be some potential for light fog after 06z. Have only mentioned it at KMCB, but terminals that have late afternoon rainfall may need to be considered in later packages.

MARINE
Issued at 400 AM CDT Thu Jun 8 2023

Not much change in the marine pattern with a weak surface pressure gradient. Nocturnal showers/thunderstorms will of course be possible. The usual overnight wind maxima in our eastern waters will probably peak out below 15 knots, so no major concerns with that.

Coastal flood threat continues to diminish as spring tides wane.
Numbers we are looking at describe levels just below our designated flood stage at Waveland at high tide, and have opted for no advisory, as any impacts will be extremely limited or non- existent.

PRELIMINARY POINT TEMPS/POPS
MCB 93 67 92 68 / 20 10 30 10 BTR 94 71 96 73 / 30 10 40 10 ASD 94 70 94 71 / 30 10 30 10 MSY 92 74 94 76 / 30 10 40 10 GPT 92 71 92 72 / 30 10 30 10 PQL 93 69 94 69 / 20 10 20 10

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
NWCL1 - 8761927 - New Canal, LA 24 mi53 min N 2.9G4.1 82°F 83°F29.84
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 25 mi53 min SSE 7G8 86°F 82°F29.83
SHBL1 - 8761305 - Shell Beach, LA 28 mi53 min NNW 1.9G2.9 82°F 79°F29.84
CARL1 30 mi53 min 80°F
BYGL1 - 8762482 - Bayou Gauche, LA 47 mi53 min 85°F 84°F29.84

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Wind History for New Canal Station, LA
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KASD SLIDELL,LA 6 sm47 minNNW 0410 smMostly Cloudy90°F70°F52%29.81
KMJD PICAYUNE MUNI,MS 17 sm25 mincalm10 smA Few Clouds88°F70°F55%29.80
KHSA STENNIS INTL,MS 19 sm50 mincalm10 smPartly Cloudy90°F68°F49%29.80
KNEW LAKEFRONT,LA 20 sm47 minWNW 0410 smClear84°F73°F70%29.83

Link to 5 minute data for KASD

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Wind History from ASD (wind in knots)

Tide / Current Tables for Long Point, Lake Borgne, Louisiana
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Long Point
Click for Map
Thu -- 03:02 AM CDT     -0.35 feet Low Tide
Thu -- 05:56 AM CDT     Sunrise
Thu -- 10:33 AM CDT     Moonset
Thu -- 03:58 PM CDT     1.29 feet High Tide
Thu -- 07:58 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Long Point, Lake Borgne, Louisiana, Tide feet
12
am
-0.1
1
am
-0.2
2
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-0.3
3
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-0.3
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-0.3
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-0.3
6
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-0.1
7
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-0
8
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0.2
9
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0.3
10
am
0.5
11
am
0.7
12
pm
0.9
1
pm
1.1
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1.2
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1.3
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1.3
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1.3
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1.2
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1
8
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0.9
9
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0.7
10
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0.5
11
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0.3


Tide / Current Tables for Paris Road Bridge, Mississippi River Delta, Louisiana
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Paris Road Bridge
Click for Map
Thu -- 05:58 AM CDT     Sunrise
Thu -- 06:30 AM CDT     -0.39 feet Low Tide
Thu -- 10:34 AM CDT     Moonset
Thu -- 06:38 PM CDT     1.43 feet High Tide
Thu -- 07:59 PM CDT     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
12
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0.6
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0.3
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0.1
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-0.1
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9
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-0
11
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0.1
12
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0.4
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0.6
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0.8
3
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1
4
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1.2
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1.3
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1.4
7
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1.4
8
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1.4
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1.3
10
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1.1
11
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1



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