Sunrise 6:16 AM   Sunset 7:31 PM Moonrise 9:29 PM   Moonset 7:05 AM

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GMZ532 Mississippi Sound- 918 Pm Cdt Wed Apr 24 2024
Overnight - South winds 5 to 10 knots, becoming southwest late. Waves 1 to 2 feet. Thursday - Northeast winds around 5 knots, becoming southeast 10 to 15 knots with gusts up to 20 knots in the afternoon. Waves 1 foot or less, then 2 to 3 feet in the afternoon. Thursday night - South winds 10 to 15 knots with gusts up to 20 knots. Waves 2 to 3 feet. Friday - Southeast winds 15 to 20 knots with gusts up to 25 knots. Waves 2 to 4 feet. Friday night - Southeast winds 20 to 25 knots with gusts up to 30 knots. Waves 3 to 5 feet. Saturday - Southeast winds 20 to 25 knots with gusts up to 30 knots. Waves 4 to 5 feet. Saturday night - Southeast winds 25 to 30 knots, diminishing to 15 to 20 knots after midnight. Waves 3 to 5 feet. Sunday - Southeast winds 15 to 20 knots. Waves around 4 feet. Sunday night - Southeast winds 15 to 20 knots. Waves 3 to 4 feet. Monday - Southeast winds 10 to 15 knots. Waves around 3 feet. A slight chance of showers and Thunderstorms in the afternoon. Monday night - Southeast winds 10 to 15 knots. Waves 2 to 3 feet. A slight chance of showers and Thunderstorms in the evening.
winds and waves higher in and near Thunderstorms.

GMZ500 918 Pm Cdt Wed Apr 24 2024
Synopsis for pascagoula to atchafalaya river out 60 nm -
high pressure will remain across the local waters through much of the week allowing for favorable marine conditions across the region. Winds have transitioned to a more southerly to southeasterly direction as the high moves east of the region. Heading into Friday and more so the weekend, the pressure gradient will tighten again as multiple surface lows will develop and move northeast across the plains this weekend. This will cause winds to respond and a good chance that some headlines will be needed.

FXUS64 KLIX 250456 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 1156 PM CDT Wed Apr 24 2024

New AVIATION

UPDATE
Issued at 907 PM CDT Wed Apr 24 2024

Earlier cloud cover over the northern half of the area has dissipated as expected. Hourly temperature/dew point trends are tracking well at present. Guidance continues to be a rather mixed bag on fog development toward sunrise. Depending on the guidance source, it ranges from a few patches of fog to being widespread.
Mention of patchy fog was already in the public forecast, and see little reason to back off of that at this time.

Bottom line, no mid to late evening public forecast update anticipated at this time.

SHORT TERM
(This evening through Thursday night)
Issued at 236 PM CDT Wed Apr 24 2024

Northwesterly flow remains over our region as we reside between a shortwave ridge to our west and a modestly amplified trough east of us. With heights and thicknesses continuing to increase, temperatures have responded today with a few places exceeding the 80 degree mark. A surface front is currently over northern AL/MS and will drop southward with time toward our region. However, with the ridge upstream building in, this almost backdoor cold front will be just shy of making it into our region. Guidance has a very very modest QPF signal over our northwest CWFA this evening.
Cannot rule out a sprinkle or two in that area. The main impact from the front is potential moisture pooling and fog overnight ahead of the front with the best potential along and north of the I10/12 corridor and west of I55. Went with patchy fog for now, but some patchy dense fog at times cannot be ruled out in the fog favored locations.

Going into Thursday the pattern transitions just a bit. H5 flow will evolve to a more active southwesterly flow as an amplifying upper trough moves east and suppresses the upper ridge down into the Gulf of Mexico. Despite being suppressed, our heights and thicknesses will continue to gradually rise and again will continue our warming trend through the end of the short term period. (Frye)

LONG TERM
(Friday through Tuesday night)
Issued at 236 PM CDT Wed Apr 24 2024

A large scale trough will reside across the Rockies and western half of the US. A modest ridge will remain in place across the east as the long term period begins, leaving our region in an active southwesterly flow aloft. H5 impulses will ride over the ridge from the southwest to the northern plains and Cornbelt region. This will help push yet another cold front toward our region, but as the upper level support moves downstream and the front becomes parallel to the mean flow, the front will stall across the ArkLaTex region keeping most of the rain with it just to our northwest this weekend. Temperatures look to remain a few degrees above average through much of this time as well. Going into the new workweek, another H5 impulse begins to amplify over the high plains, which will send the front closer to our region.
Finally by this point the front may start to get close enough for POPs Monday afternoon with the best potential across the northern and western tier. A strengthening upper ridge by the end of the forecast period will help stall this front again just to our north and the POPs/QPF associated with this feature may remain north of the area. (Frye)

AVIATION
(06Z TAFS)
Issued at 1150 PM CDT Wed Apr 24 2024

Currently VFR at all terminals. Earlier mid level clouds dissipated shortly after sunset. Main concern will be the potential for development of radiation type fog around sunrise.
Where it does occur, IFR or lower conditions will be possible for a few hours. Most favored terminals would be KMCB and KGPT, but cannot rule it out entirely at most terminals. Should see rapid improvement to VFR around 14z, with only scattered cumulus beyond that point. Afternoon cloud bases will probably be around FL040, with cumulus dissipating after sunset. Threat for fog Friday morning should be less with a little more wind expected.

MARINE
Issued at 236 PM CDT Wed Apr 24 2024

Mostly favorable marine conditions will continue through Thursday.
Late Thursday and into the upcoming weekend winds will increase in response to a tightening of the pressure gradient between high pressure east and low pressure across the plains. Light to moderate winds and seas can be expected through the weekend and into early next week. This should lead to some headlines being needed possibly as early as Friday and into the start of the new workweek. (Frye)

PRELIMINARY POINT TEMPS/POPS
MCB 58 82 62 82 / 0 0 0 0 BTR 62 86 67 87 / 0 0 0 0 ASD 61 83 66 83 / 0 0 0 0 MSY 65 83 69 83 / 0 0 0 0 GPT 62 81 66 79 / 0 0 0 0 PQL 59 84 64 81 / 0 0 0 0

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

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Gulfport
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Wed -- 06:19 AM CDT     Sunrise
Wed -- 06:31 AM CDT     Moonset
Wed -- 11:24 AM CDT     1.68 feet High Tide
Wed -- 07:30 PM CDT     Sunset
Wed -- 08:19 PM CDT     0.07 feet Low Tide
Wed -- 08:27 PM CDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION

Gulfport, Gulfport Harbor, Mississippi, Tide feet

Cat Island (West Point)
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Wed -- 06:19 AM CDT     Sunrise
Wed -- 06:31 AM CDT     Moonset
Wed -- 10:37 AM CDT     1.61 feet High Tide
Wed -- 07:30 PM CDT     Sunset
Wed -- 08:27 PM CDT     Moonrise
Wed -- 10:02 PM CDT     -0.20 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Cat Island (West Point), Mississippi, Tide feet

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