Sunday, December15, 2019
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Marine Weather and Tides
Estill, SC

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:19AMSunset 5:24PM Sunday December 15, 2019 7:52 AM EST (12:52 UTC) Moonrise 8:59PMMoonset 10:24AM Illumination 85% 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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AMZ352 Waters From Edisto Beach Sc To Savannah Ga Out 20 Nm- 720 Am Est Sun Dec 15 2019
Today..W winds 5 to 10 kt, becoming S late. Seas 2 ft.
Tonight..S winds 5 to 10 kt. Seas 2 ft.
Mon..S winds 5 to 10 kt. Seas 2 to 3 ft.
Mon night..S winds 10 to 15 kt. Seas 3 to 4 ft.
Tue..SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. A chance of showers in the morning, then showers likely with a slight chance of tstms in the afternoon.
Tue night..NW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft. Showers likely.
Wed..N winds 15 to 20 kt. Seas 3 to 4 ft.
Wed night..N winds 10 to 15 kt. Seas 2 to 3 ft.
Thu..NE winds 10 to 15 kt. Seas 2 to 3 ft.
Thu night..NE winds 10 kt. Seas 2 to 3 ft. Mariners are reminded that winds and seas higher in and near tstms.
AMZ300 720 Am Est Sun Dec 15 2019
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. High pressure across the region today will slide offshore through Monday. A cold front will then cross the area late Tuesday, followed by high pressure into late next week. Low pressure should develop near the coast next weekend.


7 Day Forecast for Marine Location Near Estill, SC
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location: 32.77, -81.22     debug


Area Discussion for - Charleston, SC
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FXUS62 KCHS 151233 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 733 AM EST Sun Dec 15 2019

SYNOPSIS. High pressure across the region today will slide offshore through Monday. A cold front will then cross the area late Tuesday, followed by high pressure into late next week. Low pressure should develop near the coast next weekend.

NEAR TERM /THROUGH TONIGHT/. Today: Mid and upper flow becomes zonal while deep layered dry air was poised to result in sunshine with just a few mid level clouds occasionally passing through. Temps are expected to moderate with light offshore flow, becoming southwest later in the day. Temps expected to warm into the lower and mid 60s this afternoon.

Tonight: Surface high pressure will continue to move offshore and weak return flow and decent warm air advection is noted atop the surface based inversion overnight. The main question will be the amount of stratus and fog that develops and advects northward in this regime. We have patchy fog in the forecast for now inland from the beaches and barrier islands. Lows will mainly be in the lower to mid 40s inland and mid/upper 40s closer in the coast.

SHORT TERM /MONDAY THROUGH WEDNESDAY/. Monday: The area will be positioned between high pressure centered offshore and a developing low pressure system tracking across the Central United States. That pattern will result in a southerly flow to the region, favoring warm temps during the day and moistening conditions overnight. In general, high temps will peak in the mid 70s away from the beaches. A few upper 70s are possible across Southeast Georgia. Temps will remain mild overnight as the area becomes warm-sectored well ahead of a cold front advancing towards the Southeast United States. Weak isentropic lift and moisture return could spawn a few showers across inland areas after midnight, but the bulk of precip should hold off until daybreak Tuesday.

Tuesday: The area will be warm-sectored for much of the day ahead of a cold front that is expected to push through the area during the afternoon into evening hours. Despite widespread clouds, temps should peak in the mid 70s across most areas before the onset of precip closer to the arriving front. Precip chances should ramp up fairly quick during late morning hours as PWATs approach 1.5 inches. Guidance supports SBCAPE between 500-800 J/kg, sufficient for a few thunderstorms embedded within numerous to widespread showers spreading west to east during the afternoon. Gusty winds are possible with convection given 40-50 kt low-lvl wind fields passing across the area. Expect the bulk of precip activity to shift offshore during evening hours, especially as winds turn west/northwest post fropa and high pressure builds across inland areas late. However, some showers could linger near the coast until at least midnight.

Wednesday: Dry and cooler high pressure will spread across the region with temps some 15-20 degrees cooler than the previous day. Despite a full day of sun, northerly winds will maintain high temps only in the low/mid 50s.

LONG TERM /WEDNESDAY NIGHT THROUGH SATURDAY/. Dry and cool high pressure will persist across the Southeast United States through late week. Light north/northeast winds will keep high temps in the mid 50s Thursday while overnight lows dip into the low/mid 30s away from the coast Wednesday night and Thursday night. Temps will slowly warm into the upper 50s/lower 60s Friday as low pressure develops off the Southeast Coast. Guidance suggests the potential for precip to return across the area during the weekend, mainly as the low deepens and tracks north/northeast offshore Saturday into Sunday. Precip chances should be highest near the land/sea interface Saturday. Temps should also peak in the upper 50s/lower 60s each day. Overnight lows should range in the mid/upper 30s inland to low/mid 40s near the coast.

AVIATION /13Z SUNDAY THROUGH THURSDAY/. VFR at KCHS and KSAV through 06Z Monday. Shallow moisture and strong surface radiational cooling may result in a potential for late night restrictions along the coastal corridor. At this time, we have only mentions at KSAV. Later cycles may need to hit the fog a bit harder around daybreak on Monday.

Extended Aviation Outlook: VFR conditions will prevail Monday at both CHS and SAV terminals. Flight restrictions are possible at both terminals Tuesday due to showers/thunderstorms along a passing cold front. VFR conditions should then prevail at both terminals Wednesday and persist into Thursday.

MARINE. Surface high pressure building over the local waters later this morning and gradually moving offshore early this evening through tonight. Winds and seas have been steadily decreasing this morning and were generally less than 15 kt beyond 20 NM. Wind directions will become light and variable for a while during high pressure's transition offshore today. Seas will be 1 to 2 ft near shore and 2-3 ft offshore. Light winds tonight will become southeast to south late with seas mostly 2-3 ft, highest offshore.

Monday through Friday: High pressure will dominate the coastal waters early this week, favoring winds/seas that remain well below Small Craft Advisory levels. Southerly sfc winds will then prevail heading into Tuesday before a cold front shifts across coastal waters late afternoon into the evening. Some sea fog could develop across nearshore waters late Monday night into Tuesday as lower 60 dewpts spread across the coastal waters, but conditions will become less favorable as the pressure gradient tightens and low-lvl winds become stronger before fropa later Tuesday. Cold air advection in wake of the front should then produce a period of Small Craft Advisory level conditions across a portion of the coastal waters Tuesday night into Wednesday. High pressure will then build across the area from the north through Friday, favoring north/northeast winds around 15-20 kts as the pressure gradient remains somewhat enhanced along the coast. Seas of 6 ft could also persist across offshore Georgia waters during this time, resulting in a Small Craft Advisory late Wednesday into Thursday.

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

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ACXS1 - ACE Basin Reserve, SC 43 mi68 min Calm 41°F 1019 hPa41°F
FPKG1 - 8670870 - Fort Pulaski, GA 53 mi53 min SW 2.9 G 4.1 46°F 56°F1019.8 hPa (+1.9)

Wind History for Fort Pulaski, GA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sylvania, Plantation Airpark, GA22 mi58 minN 010.00 miFair37°F36°F97%1019 hPa

Link to 5 minute data for KJYL

Wind History from JYL (wind in knots)
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W5W3W5W5W5W5W3CalmCalmCalmCalmCalmCalmCalmCalm
1 day agoE6NE5E6NE5NE7NE6NE7NE4CalmN3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSW3W3W3W5
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Tide / Current Tables for Tulifiny River, I-95 bridge, South Carolina
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Tulifiny River
Click for Map
Sun -- 01:02 AM EST     4.90 feet High Tide
Sun -- 07:17 AM EST     Sunrise
Sun -- 07:29 AM EST     -0.28 feet Low Tide
Sun -- 10:22 AM EST     Moonset
Sun -- 01:25 PM EST     5.89 feet High Tide
Sun -- 05:19 PM EST     Sunset
Sun -- 08:06 PM EST     -0.05 feet Low Tide
Sun -- 08:58 PM EST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.64.94.7431.70.6-0.2-0.20.82.445.25.85.85.24.12.91.50.4-00.31.42.8

Tide / Current Tables for North Dawson Landing, Coosawhatchie River, South Carolina
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North Dawson Landing
Click for Map
Sun -- 12:12 AM EST     7.52 feet High Tide
Sun -- 06:08 AM EST     -0.44 feet Low Tide
Sun -- 07:17 AM EST     Sunrise
Sun -- 10:22 AM EST     Moonset
Sun -- 12:35 PM EST     9.04 feet High Tide
Sun -- 05:19 PM EST     Sunset
Sun -- 06:45 PM EST     -0.07 feet Low Tide
Sun -- 08:58 PM EST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.57.26.14.42.40.5-0.401.746.288.98.986.34.220.4-00.82.54.46

Weather Map
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wmap_A
GEOS Local Image of    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
Wind Forecast for Charleston, SC (7,2,3,4)
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Ground Weather Radar Station Charleston, SC
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