Marine Weather and Tide Forecast for Flowery Branch, GA
 | Sunrise 6:27 AM Sunset 8:38 PM Moonrise 2:50 AM Moonset 3:52 PM |
7 Day Forecast for Marine Location Near Flowery Branch, GA
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Area Discussion for Peachtree City, GA
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FXUS62 KFFC 231705 AFDFFC
Area Forecast Discussion National Weather Service Peachtree City GA 105 PM EDT Fri May 23 2025
New 18Z Aviation Discussion
SHORT TERM
(Today through Saturday)
Issued at 210 AM EDT Fri May 23 2025
Key Messages
- A weak cold front will bring little to no rainfall Today.
- A cooler and drier airmass will be reinforced across N GA.
- Precip moves back in across the area Saturday.
Current satellite loop shows mostly high clouds streaming from W to E across the state this morning. There is a weak frontal boundary over TN that is moving slowly south and should push into N GA over the next few hours. This boundary will continue to sink south today mainly increasing cloud cover across North and central GA. May also see an isolated sprinkle or two during peak heating of the day along the frontal boundary but not expecting anything more than that. Keeping precip chances at 5% or less across the area Today. This front is expected to stall across central GA this evening and then act as a guide for our next rain maker moving in Sat morning.
During the day today a weak wave begins to develop across the central plains along the tail end of the frontal boundary. The wave moves into the Mid MS river valley Tonight, and into NW GA around daybreak Sat morning. This wave never becomes too organized and should bring just general showers and thunderstorms to north and portions of central GA Sat. Instability indices stay fairly weak for this time of year so not expecting any severe storms through Sat afternoon/evening.
Temps Today and Sat will stay fairly cool behind this frontal boundary with highs across North GA (mainly along and north of Interstate 20) mainly in the 70s. Highs south of the front (Central GA) will get up into the 80s to lower 90s.
01
LONG TERM
(Saturday night through Thursday)
Issued at 210 AM EDT Fri May 23 2025
Key Messages:
- Rain chances each day through Wednesday.
- Cold air damming event may support slightly cooler than average highs.
As we enter the extended range on Sunday, a multi-day mid-level northwest flow event across the Southeast will be tapering off, bringing with it chances for a punctuating round of showers and thunderstorms as an embedded shortwave disturbance treks across the state. Despite ample surface-based instability (on the order of 1500- 2000 J/kg), flow at the surface and aloft will be relatively unimpressive (bulk shear of 15-25kts, with no notable shape to simulated hodographs). However, weak organization of storms into clusters or perhaps a quasi-line is possible, especially focused along any lingering outflow boundaries from prior days. Given the rather dilute parameter space, no areas are currently outlooked by SPC for Sunday proper.
Moving into Monday (Memorial Day), a brief lull in mid-level flow is accompanied by a strong surface high pressure system sliding across the great Lakes region and toward the Mid-Atlantic. As it does so, the U-shaped isobars that characterize cold air damming begin to sag southward across the Carolinas and into portions of northern Georgia. The aforementioned surface high sticks around for several days before exiting the Eastern Seaboard, and given a strong push of overrunning moisture through midweek, is likely to be reinforced by some amount of precipitation falling into the cool dome. Global model guidance notoriously struggles with the strength, staying power, and southern/western extent of wedge events, and the NBM ensemble is no different: 10th percentile highs are as low as the upper 60s to lower 70s -- a strong wedge; 90th percentile highs are in the mid-80s to lower 90s -- a weak wedge. For now, will be trending on the lower side of guidance for typical wedge areas (points north and east of the Atlanta Metro) to keep highs in the 70s to lower 80s Sunday through Tuesday. With abundant cloud cover forecast to linger overnight through much of the extended, warm lows are likely, in the upper 50s to near 70.
As implied above, the first half of next week is likely to be dreary and wet. Multiple waves of showers and thunderstorms are possible as a swath of moisture (and associated frontal boundary) generated earlier in the weekend along a zone of mid-level confluence across the midsection of the country advances eastward. Currently, 4-day rainfall totals -- Sunday through Wednesday -- look to be 0.75-1.75" for areas along and south of a line extending from Atlanta to Athens, and 2-4" for areas to the north. A Marginal (level 1 out of 4) Risk for Excessive Rainfall is in effect for portions of north Georgia on Sunday and Monday, and the brunt of the period's rainfall looks to come late afternoon Monday through early afternoon Tuesday.
Exact amounts/ranges are subject to change over the next few days, but given that 6-hour Flash Flood Guidance currently sits between 3- 4.5" areawide, not expecting widespread flooding concerns, but particularly flashy creeks/streams could see some impacts. Stay tuned.
96
AVIATION
(18Z TAFS)
Issued at 102 PM EDT Fri May 23 2025
VFR conditions prevail the rest of the day with breezy NW winds around 10G20kt tapering off late this evening. Increasing cloud coverage (generally 050-100 kft) from Saturday morning on with ISO-SCT SHRA. Can't rule out an afternoon ISO TSRA, but confidence is too low to mention. Any SHRA/TSRA would bring brief periods of MVFR or worse. Winds will be light on Saturday, generally around 5-7 kts or less out of the NE/E.
//ATL Confidence
18Z Update
Medium confidence on SHRA/TSRA activity, and on wind direction on Saturday. High on all other elements.
Culver
PRELIMINARY POINT TEMPS/POPS
Athens 79 56 77 60 / 0 10 30 30 Atlanta 81 61 81 65 / 10 10 20 30 Blairsville 71 48 69 55 / 0 20 50 50 Cartersville 78 55 76 60 / 0 20 40 40 Columbus 88 65 91 68 / 0 0 10 10 Gainesville 76 56 75 60 / 0 20 40 30 Macon 86 62 89 66 / 0 0 10 10 Rome 78 55 76 60 / 0 20 50 50 Peachtree City 82 59 84 63 / 0 0 20 30 Vidalia 88 66 90 69 / 10 0 10 10
FFC WATCHES/WARNINGS/ADVISORIES
None.
Area Forecast Discussion National Weather Service Peachtree City GA 105 PM EDT Fri May 23 2025
New 18Z Aviation Discussion
SHORT TERM
(Today through Saturday)
Issued at 210 AM EDT Fri May 23 2025
Key Messages
- A weak cold front will bring little to no rainfall Today.
- A cooler and drier airmass will be reinforced across N GA.
- Precip moves back in across the area Saturday.
Current satellite loop shows mostly high clouds streaming from W to E across the state this morning. There is a weak frontal boundary over TN that is moving slowly south and should push into N GA over the next few hours. This boundary will continue to sink south today mainly increasing cloud cover across North and central GA. May also see an isolated sprinkle or two during peak heating of the day along the frontal boundary but not expecting anything more than that. Keeping precip chances at 5% or less across the area Today. This front is expected to stall across central GA this evening and then act as a guide for our next rain maker moving in Sat morning.
During the day today a weak wave begins to develop across the central plains along the tail end of the frontal boundary. The wave moves into the Mid MS river valley Tonight, and into NW GA around daybreak Sat morning. This wave never becomes too organized and should bring just general showers and thunderstorms to north and portions of central GA Sat. Instability indices stay fairly weak for this time of year so not expecting any severe storms through Sat afternoon/evening.
Temps Today and Sat will stay fairly cool behind this frontal boundary with highs across North GA (mainly along and north of Interstate 20) mainly in the 70s. Highs south of the front (Central GA) will get up into the 80s to lower 90s.
01
LONG TERM
(Saturday night through Thursday)
Issued at 210 AM EDT Fri May 23 2025
Key Messages:
- Rain chances each day through Wednesday.
- Cold air damming event may support slightly cooler than average highs.
As we enter the extended range on Sunday, a multi-day mid-level northwest flow event across the Southeast will be tapering off, bringing with it chances for a punctuating round of showers and thunderstorms as an embedded shortwave disturbance treks across the state. Despite ample surface-based instability (on the order of 1500- 2000 J/kg), flow at the surface and aloft will be relatively unimpressive (bulk shear of 15-25kts, with no notable shape to simulated hodographs). However, weak organization of storms into clusters or perhaps a quasi-line is possible, especially focused along any lingering outflow boundaries from prior days. Given the rather dilute parameter space, no areas are currently outlooked by SPC for Sunday proper.
Moving into Monday (Memorial Day), a brief lull in mid-level flow is accompanied by a strong surface high pressure system sliding across the great Lakes region and toward the Mid-Atlantic. As it does so, the U-shaped isobars that characterize cold air damming begin to sag southward across the Carolinas and into portions of northern Georgia. The aforementioned surface high sticks around for several days before exiting the Eastern Seaboard, and given a strong push of overrunning moisture through midweek, is likely to be reinforced by some amount of precipitation falling into the cool dome. Global model guidance notoriously struggles with the strength, staying power, and southern/western extent of wedge events, and the NBM ensemble is no different: 10th percentile highs are as low as the upper 60s to lower 70s -- a strong wedge; 90th percentile highs are in the mid-80s to lower 90s -- a weak wedge. For now, will be trending on the lower side of guidance for typical wedge areas (points north and east of the Atlanta Metro) to keep highs in the 70s to lower 80s Sunday through Tuesday. With abundant cloud cover forecast to linger overnight through much of the extended, warm lows are likely, in the upper 50s to near 70.
As implied above, the first half of next week is likely to be dreary and wet. Multiple waves of showers and thunderstorms are possible as a swath of moisture (and associated frontal boundary) generated earlier in the weekend along a zone of mid-level confluence across the midsection of the country advances eastward. Currently, 4-day rainfall totals -- Sunday through Wednesday -- look to be 0.75-1.75" for areas along and south of a line extending from Atlanta to Athens, and 2-4" for areas to the north. A Marginal (level 1 out of 4) Risk for Excessive Rainfall is in effect for portions of north Georgia on Sunday and Monday, and the brunt of the period's rainfall looks to come late afternoon Monday through early afternoon Tuesday.
Exact amounts/ranges are subject to change over the next few days, but given that 6-hour Flash Flood Guidance currently sits between 3- 4.5" areawide, not expecting widespread flooding concerns, but particularly flashy creeks/streams could see some impacts. Stay tuned.
96
AVIATION
(18Z TAFS)
Issued at 102 PM EDT Fri May 23 2025
VFR conditions prevail the rest of the day with breezy NW winds around 10G20kt tapering off late this evening. Increasing cloud coverage (generally 050-100 kft) from Saturday morning on with ISO-SCT SHRA. Can't rule out an afternoon ISO TSRA, but confidence is too low to mention. Any SHRA/TSRA would bring brief periods of MVFR or worse. Winds will be light on Saturday, generally around 5-7 kts or less out of the NE/E.
//ATL Confidence
18Z Update
Medium confidence on SHRA/TSRA activity, and on wind direction on Saturday. High on all other elements.
Culver
PRELIMINARY POINT TEMPS/POPS
Athens 79 56 77 60 / 0 10 30 30 Atlanta 81 61 81 65 / 10 10 20 30 Blairsville 71 48 69 55 / 0 20 50 50 Cartersville 78 55 76 60 / 0 20 40 40 Columbus 88 65 91 68 / 0 0 10 10 Gainesville 76 56 75 60 / 0 20 40 30 Macon 86 62 89 66 / 0 0 10 10 Rome 78 55 76 60 / 0 20 50 50 Peachtree City 82 59 84 63 / 0 0 20 30 Vidalia 88 66 90 69 / 10 0 10 10
FFC WATCHES/WARNINGS/ADVISORIES
None.
| Airport | Dist | Age | Wind kt | Vis | Sky | Weather | Air | DewPt | RH | inHg |
| KGVL LEE GILMER MEMORIAL,GA | 7 sm | 61 min | WNW 14G21 | 10 sm | Overcast | 73°F | 48°F | 41% | 30.12 | |
| KLZU GWINNETT COUNTY BRISCOE FIELD,GA | 15 sm | 58 min | WSW 11G14 | 10 sm | A Few Clouds | 73°F | 50°F | 44% | 30.10 | |
| KJCA JACKSON COUNTY,GA | 19 sm | 39 min | NW 08 | 10 sm | Overcast | 73°F | 54°F | 50% | 30.09 | |
| KWDR BARROW COUNTY,GA | 20 sm | 39 min | WNW 09G15 | 10 sm | Mostly Cloudy | 77°F | 52°F | 41% | 30.11 |
Link to 1 hour of 5 minute data for KGVL
Terminal Aerodrome Forecast (TAF) for KGVL
Wind History Graph: GVL
(wind in knots)
GEOS Local Image of southeast
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Atlanta, GA,
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