North Mobile Bay Marine Forecast
| This Afternoon...South Winds Around 10 Knots. Waves 1 Foot Or Less. Light Chop. A Slight Chance Of Thunderstorms. A Chance Of Showers Early, Then A Slight Chance Of Showers Late. Patchy Fog. |
| Tonight...South Winds 5 To 10 Knots. Waves 1 Foot Or Less. Light Chop. A Slight Chance Of Showers. Patchy Fog After Midnight. |
| Saturday...Southwest Winds 5 To 10 Knots. Waves 1 Foot Or Less. Light Chop. Patchy Fog In The Morning. A Slight Chance Of Showers In The Morning, Then Showers Likely With A Chance Of Thunderstorms In The Afternoon. |
| Saturday Night...West Winds 15 To 20 Knots With Gusts Up To 25 Knots, Becoming North 25 To 30 Knots After Midnight. Waves 1 Foot Or Less, Then 2 To 3 Feet After Midnight. Very Rough. Showers With A Chance Of Thunderstorms In The Evening, Then A Slight Chance Of Showers After Midnight. |
| Sunday...North Winds 25 To 30 Knots, Diminishing To 15 To 20 Knots With Gusts Up To 25 Knots In The Afternoon. Waves 2 To 3 Feet. Very Rough. |
| Sunday Night...North Winds 20 To 25 Knots With Gusts Up To 30 Knots. Waves Around 2 Feet. Rough. |
| Monday...North Winds 15 To 20 Knots. Waves Around 2 Feet. Choppy. |
| Monday Night...North Winds 10 To 15 Knots. Waves Around 2 Feet In The Evening, Then 1 Foot Or Less. A Moderate Chop. |
| Tuesday...North Winds 5 To 10 Knots, Becoming Southwest In The Afternoon. Waves 1 Foot Or Less. Light Chop. |
| Tuesday Night...Southwest 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 1226pm CST Fri Feb 20 2026 Issued at 1115am CST Fri Feb 20 2026 An upper trough advances across the Plains on Saturday and continues across the eastern states and into the western Atlantic through early next week, amplifying in the process. Mild temperatures continue over the area until an associated surface low brings a strong cold front through the forecast area Saturday afternoon into the evening hours, with much cooler air flowing into the area in the wake of the front. A series of shortwaves moving across the region within a southwesterly flow aloft will support mainly slight chance to chance probability of precipitation tonight (a bit higher well inland), then mainly likely to categorical probability of precipitation follow for Saturday into the evening hours as the front moves through the area. Rain chances taper off west to east later Saturday night with dry conditions following for Sunday. MLCAPE values this afternoon increase generally to 500-1000 J/kg, potentially a bit higher, but shear values remain low and expect just embedded thunderstorm activity. We are continuing to monitor conditions for Saturday when MLCAPE values around 1000 J/kg develop ahead of the front. For the most part, shear values look to remain on the low side although there appears to be an uptick that occurs in the afternoon roughly along and east of I-65. This looks to support some strong to potentially a severe storm or two in this portion (roughly east of I-65) from the afternoon into the early evening hours. Storm Prediction Center has included a marginal risk for this portion. Patchy fog development will be possible tonight into early Saturday morning mainly near the coast. Unseasonably warm temperatures continue into Saturday with highs in the mid 70s to lower 80s along with lows tonight mostly in the 60s. As much cooler air flows into the region in the wake of the front, lows Sunday night will be in the lower to mid 30s, then lows Monday night will be mostly in the 20s except for around 30 at the immediate coast. Highs on Sunday will be in the 50s to around 60, then highs on Monday range from the upper 40s to mid 50s. Temperatures stage a recovery for Tuesday into Wednesday, by which time highs will be mostly in the lower 70s with a bit warmer values following for Thursday. Overnight lows trend warmer as well, with lows by Wednesday night in the 50s. Another upper trof advances across the CONUS late in the period and brings a cold front through the forecast area Thursday night. After dry conditions Monday through Wednesday, chance probability of precipitation return for Wednesday night with chance to likely probability of precipitation for Thursday as the front approaches. Have gone with chance probability of precipitation for Thursday night as the front moves through followed by dry conditions developing on Friday. A moderate risk of rip currents is anticipated through Sunday, after which a low risk follows for Monday and Tuesday. /29 Marine Issued at 1115am CST Fri Feb 20 2026 A light to moderate onshore flow will continue through Saturday with potential nighttime and early morning fog development. A strong cold front moves through the area Saturday night, with a strong offshore flow developing in the wake of the front with possible gale conditions. A Gale Watch is in effect for much of the marine area from 06-18Z Sunday, after which a Small Craft Advisory is in effect until 18Z Monday and may need to be extended later in time mainly for the offshore waters. The offshore flow diminishes late Monday night into Tuesday morning. /29 NOAA Mobile AL Office: Watches - Warnings - Advisories AL...None. FL...None. MS...None. GM...Gale Watch from late Saturday night through Sunday morning for GMZ630>632-650-655-670-675. Small Craft Advisory from noon Sunday to noon CST Monday for GMZ630>632-650-655-670-675. Small Craft Advisory from midnight Saturday night to noon CST Monday for GMZ633>636. |
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