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Marine Weather and Tide Forecast for Marietta, GA

April 29, 2025 11:54 PM EDT (03:54 UTC)
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Sunrise 6:49 AM   Sunset 8:21 PM
Moonrise 6:54 AM   Moonset 10:08 PM 
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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.

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NOTE: Zones were updated 3/20/2025

7 Day Forecast for Marine Location Near Marietta, GA
   
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Area Discussion for Peachtree City, GA
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FXUS62 KFFC 300225 AFDFFC

Area Forecast Discussion National Weather Service Peachtree City GA 1025 PM EDT Tue Apr 29 2025


UPDATE
Issued at 1024 PM EDT Tue Apr 29 2025

Only changes made to the forecast were to account for trends with lowering of PoPs for part of tomorrow afternoon and latest trends with winds. OVerall still mostly clear skies expected overnight with high pressure in place.

SHORT TERM
(This evening through Wednesday)
Issued at 317 PM EDT Tue Apr 29 2025

Current satellite loop shows mainly Mid to High level clouds across the area with east to southeast flow across the state. A Bermuda like ridge centered just off the Carolina coast is keeping this moist easterly flow. with the clouds overhead. There are a few boundary over the region with one across North FL and one over western portions of the state but this ridge should keep most locations dry through Tonight. The ridge is expected to begin breaking down and we will see isolated showers and thunderstorms across North and West GA Wednesday. Not expecting any sever storms in the short term. Temps Wednesday will be a deg or two higher than Today with highs mainly in the Mid to upper 80s. Lows Tonight and Wed night will be mainly in the 60s.

01

LONG TERM
(Thursday morning through next Monday)
Issued at 317 PM EDT Tue Apr 29 2025

Key Messages:

- Thunderstorm chances in place Thursday through Saturday (and a small chance in central GA on Sunday) as a series of systems pushes by and through the area.

- A few strong storms possible on Thursday and Friday. Widespread severe weather is not anticipated at this time.

- Drier and a bit cooler to start next week.

Forecast:

An initial shortwave it still progged to move out of the 4 corners region on Thursday into the southern Great Plains, developing an initial surface low that will track to the NE into the midwest through the day. This low will bring an initial surge of surface moisture into the SE that will aid in developing some diurnal convection across north GA as well as a few storms to the west that may push into the area later into the evening and overnight hours.
Secondary wave digs out Canadian plains Thursday night into Friday that enhances the surface low, brings in a stronger surface high behind the system, and pushes a front towards the CWA Moisture will again surge into the area allow for convection to pop across most of north and central Georgia. This wave pushes to the northeast and the front very slowly drags into the area Friday night into Saturday.
Some more uncertainty from last night into this afternoon as to how quickly the front moves through the area - better chances of seeing some rain and storms continue across north and central Georgia on Saturday, and now could see a few storms linger in central Georgia on Sunday.

Taking a closer look at severe chances on Friday, still not looking like anything that would lead to widespread severe chances, but won't rule out some isolated severe storms. SBCAPE continues to look decent, with NBM mean across north Georgia of 1500+ J/kg and 90th percentiles reaching above 2000 J/kg. So, plenty of instability looks to be in place given moist boundary layer and afternoon sunshine. Shear remains the limiting factor. Forecast model soundings continue to show 0-6km shear values of approximately 25 kts or less across the area and hodographs that remain relatively straight. Given the instability in place, a few thunderstorms may become strong or marginally severe, but will be hard to have longer maintenance of storms given the current forecast shear profiles.

After the front moves through, we see some cooler, drier air move into the area for the beginning of next week. A series of wave breaks in the upper atmosphere will lead to 2 cutoff lows and large ridge that builds over the eastern CONUS, a set up that is a classic omega block type pattern. Temperatures on Sunday will be in the mid 70s in the north to the low 80s in central Georgia and will warm slowly through the beginning of the week. Expectation is that high pressure will settle in across the CWA, keeping rain chances away.

Lusk

AVIATION
(00Z TAFS)
Issued at 730 PM EDT Tue Apr 29 2025

High pressure over the area will contribute to lack of cloud cover over the area overnight. Expecting the cu field ~3-4kft tomorrow afternoon again with less than a 20% chance for rain. SSE winds should turn solidly SSW by 10z and remain from the SW through the TAF period.

//ATL Confidence
00Z Update
Medium to high on all elements.

Hernandez

PRELIMINARY POINT TEMPS/POPS
Athens 59 80 61 85 / 0 0 0 10 Atlanta 64 81 64 85 / 0 0 0 20 Blairsville 55 74 57 80 / 0 0 0 30 Cartersville 61 81 61 85 / 0 0 0 20 Columbus 65 82 64 86 / 0 0 0 20 Gainesville 60 78 62 84 / 0 0 0 20 Macon 63 82 61 86 / 0 0 0 10 Rome 60 79 61 86 / 0 0 0 20 Peachtree City 62 81 61 85 / 0 0 0 20 Vidalia 63 82 61 88 / 0 0 0 0

FFC WATCHES/WARNINGS/ADVISORIES
None.


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