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Marine Weather and Tides Garden City, GA Version 3.4

NOTICE 12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed. 10/9/2019 Updated the Marine Zones. 9/4/2019 Fixed the weather maps due to NOAA moving them. 7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

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Sunrise 7:19AM

Sunset 5:55PM

Tuesday January 28, 2020 11:00 AM EST (16:00 UTC)

Moonrise 9:47AM

Moonset 9:27PM

Illumination 13%

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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7 Day Forecast for Marine Location Near Garden City, GA

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Area Discussion for - Charleston, SC

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FXUS62 KCHS 281527 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 1027 AM EST Tue Jan 28 2020

SYNOPSIS. High pressure will prevail through tonight. A storm system will impact the area late Wednesday into early Thursday, followed by another storm system Friday into Saturday. High pressure is expected early next week.

NEAR TERM /THROUGH TONIGHT/. Today: Weak sfc high pressure will prevail across the Southeast United States while subtle mid-lvl ridging occurs behind a departing h5 shortwave offshore. The setup will favor a northwest downsloping wind across the area late this morning and afternoon, keeping all areas dry under clear skies. Although sfc temps started off cooler this morning, strong sfc heating and the downslope wind will help temps warm a degree or two higher than the previous day. Warmer temps can also be expected near the coast due to the northwest wind during peak heating hours. In general, high temps should range in the low/mid 60s, warmest near the Altamaha River in Southeast Georgia.

Tonight: The boundary layer will quickly decouple after sunset resulting in a light/calm wind regime dominating through the night. Skies look to remain clear with high pressure holding firm. This will promote strong radiational cooling after sunset. The leading edge of the cirrus spreading east ahead of the next storm looks to hold off until after daybreak, so this should not interrupt the radiative process during the diurnal minimum. Generally favored the cooler side of guidance to construct low temperatures Wednesday morning given the favorable radiative setup. Lows will drop into the mid 30s inland to the upper 30s/lower 40s across the coastal counties with upper 40s/near 50 for the beaches and Downtown Charleston. If the cirrus does end up propagating in earlier than expected, then an uptick in temperatures would be needed.

SHORT TERM /WEDNESDAY THROUGH FRIDAY/. Wednesday: The mid-levels will consist of wave to our west in the morning. The wave will move overhead during the evening, then offshore overnight. At the surface, a storm system centered near the Lower MS Valley in the morning will move eastward. The main low is expected to pass to our south late in the evening, then speed up and move offshore overnight. The models remain in good agreement showing decent lift and moisture across our area. Though, the best moisture and lift continue to be to our south. POPs are likely/categorical for most locations in the evening and overnight hours. QPF ranges from ~0.1' across our far northern tier to ~0.5" across our far southern tier. Highs are expected to be normal while lows should be a few degrees above normal due to the clouds/precipitation.

Thursday: A mid-level wave just offshore in the morning will move away while weak ridging moves in from the west, allowing heights to rise. The storm system will be offshore in the morning, pushed away by broad high pressure moving in from the north/west. Any remnant showers should quickly move away early in the morning, setting the stage for a dry day and then night. Though, it'll be breezy at the beaches. Temperatures should be within a few degrees of normal.

Friday: The mid-levels will consist of a weak ridge over the East Coast in the morning. The ridge will get pushed offshore in the afternoon as an strengthening trough approaches from the west. At the surface, high pressure initially to our distant north/northeast will move away as a storm system in the Gulf of Mexico strengthens and overspreads the Southeast U.S. Decent moisture and lift should be in place by the afternoon, with models indicating increasing shower areal coverage and intensity. POPs remain in the high end chance category, but if trends persist they'll need to be raised more. Temperatures will be somewhat tricky as we'll be battling cool wedging to the north and warmer air from the south. We went with most of the models, which have the cooler outcome and high temperatures a few degrees below normal.

LONG TERM /FRIDAY NIGHT THROUGH MONDAY/. A storm system will bring showers to the Southeast Friday night, before moving away on Saturday. High pressure and dry conditions are expected late Saturday through Monday. Temperatures could be well above normal on Monday.

AVIATION /15Z TUESDAY THROUGH SATURDAY/. VFR conditions will prevail at both CHS and SAV terminals through 12Z Wednesday.

Extended Aviation Outlook: Two separate storm systems could bring flight restrictions Wednesday/Wednesday night and again on Friday/Saturday.

MARINE. Today and Tonight: Marine conditions will remain quiet today and tonight with weak high pressure at the sfc and subtle ridging aloft. In general, northerly winds between 10-15 kt late this morning will become variable less than 5-10 kt across all coastal waters this afternoon. Overnight, winds will remain light as high pressure persists across the area. Seas will also be no higher than 1-3 ft through tonight.

Wednesday into Thursday: A storm system will develop in the Gulf of Mexico Wednesday, with the surface low passing just to our south Wednesday night. The low will move away Thursday as high pressure builds in from the north. Strong winds and elevated waves resulting from this systems will necessitate Small Craft Advisories for most of the coastal waters outside of Charleston Harbor Wednesday night into Thursday morning. The worst conditions should be around daybreak Thursday. Winds and seas are expected to drop throughout Thursday and the advisories would drop off as well. Though, an advisory for the GA waters beyond 20 nm would continue through Thursday night due to slowly subsiding seas.

Friday: Wind/wave conditions will be below advisory levels as the next storm system approaches from the west. The system should pass offshore Friday night.

Weekend: The storm system will move away while high pressure approaches from the west. The interaction between these two features will cause strong winds and elevated seas. Small Craft Advisories are expected.

CHS WATCHES/WARNINGS/ADVISORIES. GA . None. SC . None. MARINE . None.

NEAR TERM . DPB SHORT TERM . LONG TERM . AVIATION . DPB MARINE . DPB

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Weather Reporting Stations

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Stations	Dist	Age	Wind	Air Temp	Water Temp	Waves	Pressure	DewPt
FPKG1 - 8670870 - Fort Pulaski, GA	11 mi	49 min	N 5.1 G 8.9	51°F	53°F		1017.7 hPa
41033	40 mi	53 min	NNE 9.7 G 14	48°F	54°F		1018 hPa
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA	48 mi	71 min	N 12 G 14	52°F	57°F	3 ft	1016.7 hPa (+2.1)	46°F
ACXS1 - ACE Basin Reserve, SC	48 mi	76 min	N 2.9	49°F			1017 hPa	42°F

Wind History for Fort Pulaski, GA

(wind in knots)    EDIT      (on/off)   Help

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NW12 G15

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Airport Reports

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Airport	Dist	Age	Wind kt	Visibility	Sky/Weather	Temp	DewPt	Humidity	Pressure
Hunter U. S. Army Airfield, GA	3 mi	2.1 hrs	NNW 6	10.00 mi	Fair	47°F	44°F	91%	1016.6 hPa
Savannah-Hilton Head International Airport, GA	7 mi	68 min	N 7	10.00 mi	Fair	53°F	43°F	69%	1017.3 hPa
Hilton Head Island, Hilton Head Airport, SC	24 mi	71 min	NNW 5	10.00 mi	Fair	52°F	42°F	72%	1017.3 hPa

Link to 5 minute data for KSVN

Wind History from SVN (wind in knots)

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1 day ago

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Tide / Current Tables for Savannah (Bull Street), Georgia

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Tide / Current Tables for Savannah River Entrance, Georgia Current

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Weather Map

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GEOS Local Image of Southeast    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East

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Wind Forecast for Charleston, SC (11,2,3,4)

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Ground Weather Radar Station Charleston, SC

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