South Mobile Bay Marine Forecast
| Tonight...Northeast Winds 15 To 20 Knots With Gusts Up To 25 Knots, Diminishing To 10 To 15 Knots After Midnight. Waves 2 To 3 Feet. Choppy. |
| Friday...East Winds 5 To 10 Knots, Becoming Southeast In The Afternoon. Waves 1 Foot Or Less. Light Chop. |
| Friday Night...Southeast Winds Around 5 Knots. Waves 1 Foot Or Less. Smooth. |
| Saturday...East Winds Around 5 Knots, Becoming Southeast In The Afternoon. Waves 1 Foot Or Less. Light Chop. |
| Saturday Night...Southeast Winds 5 To 10 Knots. Waves 1 Foot Or Less. Light Chop. |
| Sunday...South Winds 5 To 10 Knots, Increasing To 10 To 15 Knots With Gusts Up To 20 Knots In The Afternoon. Waves 1 Foot Or Less. A Moderate Chop. |
| Sunday Night...South Winds 10 To 15 Knots With Gusts Up To 20 Knots, Becoming Southwest 20 To 25 Knots With Gusts Up To 30 Knots After Midnight. Waves Around 2 Feet. Rough. A Slight Chance Of Showers And Thunderstorms In The Evening, Then Showers Likely With A Chance Of Thunderstorms After Midnight. |
| Monday...Northwest Winds 25 To 30 Knots, Becoming North 20 To 25 Knots In The Afternoon. Waves 2 To 3 Feet. Very Rough. A Chance Of Showers And Thunderstorms In The Morning. |
| Monday Night...North Winds 20 To 25 Knots, Diminishing To 15 To 20 Knots After Midnight. Waves 2 To 3 Feet. Rough. |
| Tuesday...North Winds 15 To 20 Knots, Diminishing To Around 10 Knots In The Afternoon. Waves Around 2 Feet In The Morning, Then 1 Foot Or Less. Choppy. |
| Tuesday Night...Northeast Winds 5 To 10 Knots. Waves 1 Foot Or Less. Light Chop. Winds And Waves Higher In And Near Thunderstorms. |
| Area Forecast Discussion National Weather Service Mobile AL 634pm CDT Thu Mar 12 2026 Issued at 204pm CDT Thu Mar 12 2026 After last nigheights severe weather event our focus now shifts to another impactful system with increasing beach and marine hazards beginning Sunday evening through Monday night, and the potential for strong to severe thunderstorms including damaging winds and possible tornadoes Sunday night into Monday morning. Synopsis... For the weekend...Surface high pressure will build across the region tonight. As winds become light by late tonight, low temperatures should range from 37 to 40 degrees inland and from 41 to 45 degrees along the coast. Temperatures around 50 degrees are expected at the beaches and barrier islands. With dewpoints in the middle 30s well inland, patchy frost in unprotected areas is expected late tonight. We will monitor the trend to determine if a Frost Advisory may be needed, but as a precaution it is a good idea to protect sensitive outdoor plants in vulnerable areas. With a surface ridge setting up across the southeast states Friday into Sunday, temps quickly warm back into the upper 70s and lower 80s over the weekend. The next chance of rain and the potential for strong to severe thunderstorms will occur Sunday night into Monday morning as a large upper trough is expected to dig south over the entire eastern CONUS, and another strong cold front approaches from the northwest. Severe Weather Potential... Weak upper difluence will gradually overspreading our forecast area ahead of the trough on Sunday with an ample warm and moist airmass with dewpoints in middle 60s and increasing mixed layer instability values approaching 900 to 1400j/kg, with the highest values closer to the coast. Modest shear for possible organized strong to severe thunderstorms will be in place ahead of another eventual QLCS, and we expect around 200-300 m2/s2 of sfc-3km SRH to be present. In addition, sfc-6km Bulk Shear values are expected to be between 50-60 kts, with mid/upper lapse rates approaching 7 C/km. This will set the stage for any storms within the QLCS or the discrete activity to pose the potential for damaging wind gusts and a brief tornado or two. As always, these severe weather parameters will be monitored closely for any upward or downward trend. Currently the anticipated timing for discrete storms would be Sunday evening across portions of southeastern Mississippi and southwestern Alabama. The QLCS is expected to begin to enter southeastern Mississippi and far northwestern Alabama counties late Sunday evening and spread quickly eastward, similar to this last event. Beach Forecast: A LOW risk of rip currents will occur tonight through Sunday afternoon, increasing to MODERATE Sunday night through Tuesday. /22 Marine Issued at 204pm CDT Thu Mar 12 2026 Strong offshore flow continues through tonight, especially for the Gulf waters. Light easterly flow becomes established Friday through Saturday morning with seas trending lower. A light onshore flow will follow through the weekend, shifting to a strong northwesterly flow late Sunday night into Monday in the wake of the next cold front. /22 NOAA Mobile AL Office: Watches - Warnings - Advisories AL...None. FL...None. MS...None. GM...Small Craft Advisory until 10pm CDT this evening for GMZ630>632. Small Craft Advisory until 7pm CDT this evening for GMZ633>636. Small Craft Advisory until 5am CDT Friday for GMZ650-655-670- 675. |
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