Thursday, January20, 2022
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Marine Weather and Tides
Reidsville, GA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:24AMSunset 5:50PM Thursday January 20, 2022 6:53 PM EST (23:53 UTC) Moonrise 8:31PMMoonset 9:27AM Illumination 88% Phase: Waning Gibbous; Moon at 18 days in cycle
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.
Marine Forecasts
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AMZ354 Waters From Savannah Ga To Altamaha Sound Ga Out 20 Nm, Including Grays Reef National Marine Sanctuary- 644 Pm Est Thu Jan 20 2022
.small craft advisory in effect from Friday morning through Saturday evening...
Tonight..W winds 5 kt, becoming N 10 to 15 kt, then increasing to 15 to 20 kt late. Seas 1 to 2 ft. Rain likely.
Fri..N winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft. A chance of rain in the morning, then rain in the afternoon.
Fri night..N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft. Rain, mainly in the evening.
Sat..N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 ft. A chance of rain.
Sat night..N winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 6 ft, subsiding to 3 to 4 ft after midnight.
Sun..NW winds 10 to 15 kt. Seas 3 to 4 ft.
Sun night..NW winds 10 to 15 kt. Seas 2 to 3 ft.
Mon..W winds 10 to 15 kt. Seas 2 to 3 ft.
Mon night..SW winds 5 to 10 kt. Seas 2 ft. A chance of showers.
Tue..N winds 5 to 10 kt. Seas 2 ft. A chance of showers.
Tue night..N winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers.
AMZ300 644 Pm Est Thu Jan 20 2022
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. Low pressure will develop along the front Friday then move northeast Friday night and Saturday. This low will produce a period of freezing rain in some areas. Dry high pressure will then build from the west Saturday through Monday. Low pressure could affect the area next Tuesday, followed by another cold front by the middle of next week.


7 Day Forecast for Marine Location Near Reidsville, GA
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location: 31.95, -82.15     debug


Area Discussion for - Charleston, SC
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FXUS62 KCHS 202334 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 634 PM EST Thu Jan 20 2022

SYNOPSIS. Low pressure will develop along the front Friday then move northeast Friday night and Saturday. This low will produce a period of freezing rain in some areas. Dry high pressure will then build from the west Saturday through Monday. Low pressure could affect the area next Tuesday, followed by another cold front by the middle of next week.

NEAR TERM /UNTIL 6 AM FRIDAY MORNING/. 20/23z surface observations show the cold front is quickly approaching the coast and will push offshore shortly. A secondary push will move south later this evening with winds going fully north behind it. Light rain will persist for much of the night with a possible slight uptick in intensity expected later this evening into the early morning hours as shortwave energy moving across southwest/south-central Georgia moves across the area. Categorical pops look on track from this evening through the very early morning hours Friday with values dropping through daybreak. Attention shifts to possible freezing rain development across northern Berkeley County prior to sunrise. While current data suggest temperatures will hold right at or even just above freezing, the latest HREF still shows about a 20-40% chance for freezing rain developing from roughly Jamestown to Saint Stephen, Pinevillle and Eadytown after 21/09z. A chance of freezing rain was maintained for this area as a result.

SHORT TERM /6 AM FRIDAY MORNING THROUGH SUNDAY/. High impact weather potential: Freezing rain/accumulating ice possibilities Friday into Saturday. Low wind chills Friday night/early Saturday.

Friday: A cold front positioned off the coastline will be the focus for isolated showers along the immediate coastline to start the day. A coastal low pressure system is forecast to develop over northern Florida and then trek up the eastern seaboard through the day. As the day progresses a mid to upper level trough will swing through the eastern CONUS, providing the forcing necessary for precipitation to form across most, if not all, the forecast area by nightfall. Meanwhile, a rather cold airmass will overtake the region, with temperatures dropping below freezing by mid afternoon in inland SE SC and by the evening hours along the coastline. Precipitation is expected to begin as rain and then switch over to freezing rain throughout the afternoon. A Winter Weather Advisory is in effect for several SC counties beginning Friday afternoon. Freezing rain will first affect inland SE SC before progressing southward towards the Savannah River. Model soundings are supportive of freezing rain being the main precipitation type, with a solid warm nose and surface temperatures at or below freezing. Temperatures Friday will be warmest in the morning hours and cooling as the day progresses as the cold air mass overtakes the region.

Friday Night: Freezing rain and rain will continue through the overnight hours across SE SC and some inland SE GA counties, with the Winter Weather Advisory expiring at daybreak Saturday. Temperatures overnight will be quite chilly, with lows expected in the mid to upper 20s inland and in the low 30s closer to the coast and across SE GA. Northerly winds will persist through the overnight, producing wind chills in the upper teens to low 20s. Conditions are currently forecast to remain below Wind Chill Advisory levels, however trends and conditions will need to be monitored, especially along inland SE SC.

Saturday: As the coastal low continues its northward progression and the cold front moves even further into the Atlantic waters, dry air will overtake the region rather quickly in the early morning hours. This will shut off most, if not all, precipitation by daybreak. A period of drizzle cannot be ruled out before noontime, however, as the lower atmosphere remains saturated just enough to precipitate a little more. Temperatures will remain very cold, with daytime highs in the low 40s expected. Once again the northerly winds will remain elevated, making conditions feel much colder.

Saturday night and Sunday: Strong high pressure will build into the region overnight Saturday and a quite chilly night will occur due to clear skies and calm winds. The main forecast challenge will be lingering moisture over the waters. For now, have slight chance to chance POPs through midnight. Otherwise, low temperatures will be in the low to mid 20s. A quiet weather day is then expected on Sunday with clear skies and highs in the upper 40s to low 50s.

LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/. Stretch of cool/cold below normal temperatures will persist through the upcoming week. Dry high pressure remains in control into Monday. Another system sliding northeastward out of the Gulf and interact with a cold front arriving from the northwest and bring another chance of precip (rain) to the region late Monday night through Tuesday. Drying out thereafter for the balance of the week.

AVIATION /23Z THURSDAY THROUGH TUESDAY/. Cigs will rapidly drop to IFR levels this evening as a cold front pushes offshore and rain overspreads from the west. IFR cigs will dominate for much of the period as cold air damming matures across the Southeast U.S. states. Light rain could produce MVFR vsbys at all three sites later this evening then improving by daybreak as rain diminishes. Later in the afternoon, precipitation will begin to overspread the terminals. Temperatures look to drop below freezing at KCHS by 21z so expect the rain to change to freezing rain by then. For KJZI and KSAV, it appears the risk for freezing rain/freezing drizzle will hold off until after 22/00z.

Extended Aviation Outlook: Friday and Saturday: Flight restrictions, IFR or possibly lower, are likely in showers Friday afternoon. Freezing rain is possible at all terminals Friday night, especially KCHS and KJZI, where some ice accumulations are forecast. Gusty northerly winds are also anticipated Friday into Saturday.

Saturday night through Tuesday: VFR will prevail. Cloud cover will gradually increase overnight Monday as a storm system approaches the area. Flight restrictions will be possible in showers on Tuesday.

MARINE. Tonight: A cold front will move through the waters this evening, then offshore overnight, where it will transition to a stationary front. Winds will shift to the NW behind the front this evening, then to the NNE after midnight. The combination of an enhanced surface pressure gradient and strong cold air advection behind the front will yield increasing winds overnight. Small Craft Advisories are in effect for our SC waters during this time period. Seas will respond by building to 4-5 ft by daybreak Friday in these locations. Elsewhere, conditions will be just below advisory criteria, including the Charleston Harbor.

Friday and Saturday: A coastal low pressure system will progress up the eastern seaboard, producing hazardous marine conditions. Gusty northerly winds will prevail, with Small Craft Advisories in effect for all coastal waters outside the Charleston Harbor. Seas will average 3 to 4 feet, building to 6 to 7 feet in the 20-60nm GA waters and the offshore Charleston waters.

Saturday night through Tuesday: A Small Craft Advisory for the outer Georgia waters will remain in effect through Sunday afternoon due to elevated seas. Thereafter, variable winds will be less than 15 knots with seas 2 to 4 feet.

CHS WATCHES/WARNINGS/ADVISORIES. GA . None. SC . Winter Weather Advisory from 1 PM Friday to 7 AM EST Saturday for SCZ045. Winter Weather Advisory from 3 PM Friday to 7 AM EST Saturday for SCZ040-042>044-050-052. MARINE . Small Craft Advisory from 4 AM Friday to 8 PM EST Saturday for AMZ352. Small Craft Advisory from 1 AM Friday to 8 PM EST Saturday for AMZ350. Small Craft Advisory from 7 AM Friday to 8 PM EST Saturday for AMZ354. Small Craft Advisory from 7 AM Friday to 4 PM EST Sunday for AMZ374.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SAXG1 - Sapelo Island Reserve, GA 58 mi54 min NNW 5.1 63°F 1018 hPa (+2.0)55°F
FPKG1 - 8670870 - Fort Pulaski, GA 66 mi60 min W 1G1 60°F 54°F1018.1 hPa
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 78 mi64 min W 3.9G5.8 60°F 60°F2 ft1017.2 hPa (+0.7)

Wind History for Fort Pulaski, GA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Vidalia, Vidalia Municipal Airport, GA21 mi3.3 hrsW 410.00 miOvercast63°F54°F73%1017.3 hPa
Claxton Evans County Airport, GA23 mi3.3 hrsWNW 610.00 miOvercast66°F53°F62%1017.3 hPa

Link to 5 minute data for KVDI

Wind History from VDI (wind in knots)
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Last 24 hr00SE70S3S30S4S4S4S30000W3W6W3SW8W7W3W400
1 day ago000000000000000S30S4S50S5S400
2 days agoNW6NW7NW5NW5W6W4W4NW300000W3NW6NW60NW3NW5SW4W4SW300

Tide / Current Tables for Highway bridge, Ogeechee River, Georgia
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Highway bridge
Click for Map
Thu -- 12:25 AM EST     0.92 feet High Tide
Thu -- 07:24 AM EST     Sunrise
Thu -- 07:47 AM EST     -0.03 feet Low Tide
Thu -- 09:22 AM EST     Moonset
Thu -- 12:41 PM EST     1.08 feet High Tide
Thu -- 05:48 PM EST     Sunset
Thu -- 08:16 PM EST     0.00 feet Low Tide
Thu -- 08:27 PM EST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Highway bridge, Ogeechee River, Georgia, Tide feet
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Tide / Current Tables for Belfast, Belfast River, Georgia
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Belfast
Click for Map
Thu -- 04:32 AM EST     -0.26 feet Low Tide
Thu -- 07:24 AM EST     Sunrise
Thu -- 09:22 AM EST     Moonset
Thu -- 10:45 AM EST     8.16 feet High Tide
Thu -- 05:01 PM EST     0.03 feet Low Tide
Thu -- 05:48 PM EST     Sunset
Thu -- 08:27 PM EST     Moonrise
Thu -- 11:05 PM EST     6.96 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Belfast, Belfast River, Georgia, Tide feet
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