Mississippi Sound GMZ632 Marine Forecast
| Tonight...East Winds 5 To 10 Knots. Waves 1 Foot Or Less. Light Chop. |
| Wednesday...East Winds 10 To 15 Knots. Waves 1 Foot Or Less. A Moderate Chop. |
| Wednesday Night...East Winds 5 To 10 Knots. Waves 1 Foot Or Less. Light Chop. A Slight Chance Of Showers In The Evening, Then A Chance Of Showers And Thunderstorms After Midnight. |
| Thursday...East Winds Around 5 Knots, Becoming South In The Afternoon. Waves 1 Foot Or Less. Smooth. Showers Likely With A Chance Of Thunderstorms. |
| Thursday Night...Southwest Winds Around 5 Knots. Waves 1 Foot Or Less. Smooth. A Slight Chance Of Showers And Thunderstorms In The Evening, Then Showers Likely With A Chance Of Thunderstorms After Midnight. |
| Friday...Southwest Winds Around 5 Knots, Becoming South In The Afternoon. Waves 1 Foot Or Less. Light Chop. Showers With A Chance Of Thunderstorms In The Morning, Then Showers And Thunderstorms Likely In The Afternoon. |
| Friday Night...South Winds Around 5 Knots. Waves 1 Foot Or Less. Smooth. A Chance Of Thunderstorms. A Chance Of Showers In The Evening, Then Showers Likely After Midnight. |
| Saturday...South Winds 5 To 10 Knots. Waves 1 Foot Or Less. Light Chop. A Chance Of Thunderstorms. Showers, Mainly In The Morning. |
| Saturday Night...South Winds Around 5 Knots. Waves 1 Foot Or Less. Smooth. A Chance Of Showers. A Slight Chance Of Thunderstorms In The Evening, Then A Chance Of Thunderstorms After Midnight. |
| Sunday...South Winds Around 5 Knots. Waves 1 Foot Or Less. Smooth. A Chance Of Thunderstorms. Showers Likely, Mainly In The Morning. |
| Sunday Night...Southeast Winds Around 5 Knots. Waves 1 Foot Or Less. Smooth. A Slight Chance Of Showers And Thunderstorms. Winds And Waves Higher In And Near Thunderstorms. |
| Area Forecast Discussion National Weather Service Mobile AL 1246am CDT Wednesday September 9 2026 Issued at 1154pm CDT Tuesday September 8 2026 An upper ridge over the region will likely suppress all, or nearly all, convective development over the area on Wednesday. The upper ridge soon weakens and later retreats into the far western Atlantic as a modest upper trough over the northwestern Gulf slowly progresses into eastern Texas through Thursday while an evolving upper trough traverses the Plains and begins to advance into the eastern states. While the northern portion of the upper trough continues across the interior eastern states through Friday, a broad and weak upper trough will be left roughly from eastern Texas up to along the Ohio River valley. By Thursday afternoon, this pattern sets up a weak cold front from northeast Texas to across Tennessee and into the mid Atlantic states. The frontal boundary steadily weakens going into Friday but also appears to drift into northern Mississippi/Alabama before dissipating Friday night. The retreat of the upper ridge from the area allows for abundant deep layer moisture to spread into the region along with a progressively more convective favorable environment. Have gone with chance pops well inland to likely/categorical probability of precipitation elsewhere on Thursday, then probability of precipitation trend to likely/categorical areawide on Friday. A weak upper trough persists on Saturday from roughly eastern Texas to the mid Mississippi River valley, after which the upper ridge located mostly over the far western Atlantic builds back across the southeastern states Sunday on into Monday. Have continued with likely to categorical probability of precipitation on Saturday, then rain chances trend to mostly chance probability of precipitation on Monday. With a weak steering flow, storms that develop each day will be slow moving which could lead to locally heavy rainfall mainly on Friday and Saturday when the best rain chances are anticipated. Highs on Wednesday will be 90-95 then trend to upper 80s to lower 90s for Friday through Sunday. Highs then gradually trend to the lower 90s on Monday. Heat index values tend to range from 95-102 through Friday then slowly trend to 100-105 by Monday. Lows each night will be in the 70s. A moderate risk of rip currents is in effect through Wednesday night, then a low risk is anticipated for Thursday through Saturday. /29 Marine Issued at 134pm CDT Tuesday September 8 2026 Light to moderate easterly flow will persist through early Wednesday afternoon and small craft operators on the Gulf should exercise caution. Light onshore flow returns for the rest of the week into the weekend. Seas around 2 to 3 feet will subside to around 1 foot Thursday through the remainder of the forecast. Waterspouts are possible early each morning. /22 NOAA Mobile AL Office: Watches - Warnings - Advisories AL...None. FL...None. MS...None. GM...None. |
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