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Marine Weather and Tides Jacksonboro, SC 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 7:18AM

Sunset 5:43PM

Wednesday January 22, 2020 6:14 PM EST (23:14 UTC)

Moonrise 5:34AM

Moonset 3:48PM

Illumination 5%

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 Jacksonboro, SC

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Area Discussion for - Charleston, SC

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FXUS62 KCHS 222039 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 339 PM EST Wed Jan 22 2020

SYNOPSIS. High pressure to the north will weaken in advance of a storm system that will impact the region Thursday night into Friday night. High pressure will then return and generally persist with dry weather into the middle of next week.

NEAR TERM /UNTIL 6 AM THURSDAY MORNING/. High pressure centered to our north will remain the primary feature tonight, although a weak coastal trough/front will take shape late. Aloft, a mid level ridge axis will slide overhead and eventually off the coast by daybreak. Model soundings show some increase in moisture in the lower levels, but this should amount to no more than an increase in cloud cover. Low temperatures will be a bit more seasonable tonight, ranging from the low 30s inland to upper 30s/around 40 at the coast.

SHORT TERM /6 AM THURSDAY MORNING THROUGH SATURDAY/. High confidence Thursday and Saturday with moderate confidence Thursday night through Friday night. Chilly high pressure to the north will break down Thursday as a coastal trough develops near the FL/GA coasts. Clouds will be on the increase and we can't rule out a few showers near the coast as low-level moisture/lift increase. The trough should sharpen up Thursday night near the GA/SC coasts before pushing north and west through the forecast area Friday as a warm front. This will lead to increasing shower coverage as deeper moisture and upper forcing also increase. There could even be a few thunderstorms as low/mid-level instability increases, especially Friday afternoon/evening, although likely not sufficiently to cause any severe storms. However, deep layer shear is strong and supportive of organized convection so can't completely rule out a severe storm with damaging winds or even a tornado. Otherwise, rain chances will end from southwest to northeast Friday night as a cold front moves through leading to cooler and drier conditions on Saturday. Temperatures will be near to below normal Thursday, then likely get above normal Friday before returning back closer to normal Saturday.

LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/. Dry sfc high pressure will spread across the Southeast United States late weekend along the southern edge of a large mid-lvl trough of low pressure extending across much of the Midwest to Northeast states. The pattern will support slightly cooler conditions across the area late weekend into early next week as northeast winds prevail within high pressure that becomes centered across the Mid- Atlantic states. However, winds should turn more onshore Wednesday as the high shifts offshore in advance of a low pressure system approaching the East Conus during the middle of next week. Onshore winds in combination with a fairly large ridge of high pressure building aloft should support a warming trend midweek.

In general, high temps should range in the upper 50s/lower 60s Saturday through Monday, then warm into the middle/upper 60s by Wednesday. Overnight lows should dip into the middle/upper 30s inland to lower 40s near the coast Saturday night through Monday night, then remain in the upper 40s/lower 50s by Wednesday night.

AVIATION /20Z WEDNESDAY THROUGH MONDAY/. Mainly VFR through 18z Thursday. There is a chance MVFR ceilings could move into the terminals around/after daybreak, as noted by model guidance and soundings. Opted to keep VFR for now, but have introduced a few/sct MVFR layer.

Extended Aviation Outlook: Moderate confidence in mostly VFR conditions through Thursday, although can't rule out MVFR ceilings as low-level moisture/lift increase over the area as a trough develops just southeast of the area. Expect a better chance of greater restrictions from low clouds/fog/showers Thursday night into Friday night as a warm front and then cold front affect the area. High confidence in VFR conditions returning Friday night or Saturday morning and continuing through early next week, although there is a very low risk of minor restrictions Monday due to a passing upper level disturbance.

MARINE. Tonight: Winds and seas will continue to slowly subside tonight, however conditions will still be supportive of Small Craft Advisories for all zones with the exception of the Charleston Harbor. The ongoing Gale Warning for the outer Georgia waters will be able to transition to a Small Craft Advisory this evening.

Thursday through Monday: Moderate confidence through the period. High pressure to the north and low pressure offshore will give way to a coastal trough/warm front Thursday night and Friday and then a cold front Friday night. Small Craft Advisories will remain in effect into Thursday night within 20 nm, possibly returning later in the week, but likely continue through Saturday night beyond 20 nm for lingering 6 foot seas. No significant concerns Sunday and Monday with a weak pressure gradient expected.

TIDES/COASTAL FLOODING. Strong high pressure to the north and low pressure offshore will maintain elevated north/northeast winds into Thursday which could lead to tide levels slightly above Coastal Flood Advisory thresholds near Charleston during the morning high tide.

CHS WATCHES/WARNINGS/ADVISORIES. GA . None. SC . None. MARINE . Small Craft Advisory until 11 PM EST Thursday for AMZ350-352- 354. Gale Warning until 7 PM EST this evening for AMZ374.

NEAR TERM . ETM SHORT TERM . RJB LONG TERM . AVIATION . ETM/RJB MARINE . ETM/RJB TIDES/COASTAL FLOODING .

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Weather Reporting Stations

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Stations	Dist	Age	Wind	Air Temp	Water Temp	Waves	Pressure	DewPt
ACXS1 - ACE Basin Reserve, SC	5 mi	90 min	N 2.9	52°F			1024 hPa	35°F
41033	24 mi	67 min	E 12 G 16	51°F	55°F		1025.2 hPa
CHTS1	31 mi	63 min	N 7 G 11	53°F	54°F		1024.4 hPa
FBIS1 - Folly Island, SC	31 mi	75 min	ENE 11 G 12	51°F			1024.6 hPa (-0.0)	44°F
41029 - Capers Nearshore (CAP 2)	46 mi	67 min	ENE 14 G 19	53°F	55°F		1024.9 hPa
FPKG1 - 8670870 - Fort Pulaski, GA	47 mi	63 min	E 9.9 G 12	51°F	52°F		1024.7 hPa

Wind History for Charleston, SC

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

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1 AM

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7 AM

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Last 24hr

N15 G21

N10 G18

N13 G19

N12

N12 G20

N12 G20

N13 G19

N9 G14

N11 G18

N11 G17

NW15 G21

N15 G21

N13 G19

N12 G20

N10 G17

N11 G17

N15 G19

N12 G17

N9 G14

N13

N8 G14

N12 G16

N11

N9

1 day ago

N8 G12

N7 G11

N9 G13

N10 G13

N11

N11 G14

N14 G18

N14 G18

N12 G17

N15 G19

N16 G20

N16 G20

N16 G21

N16 G22

N16 G20

N17 G22

N16 G20

N16

N11 G19

NW14 G20

NW12 G20

NW14 G22

NW15 G24

N15 G19

2 days ago

W6 G16

W8 G14

W6 G11

W7 G11

NW5 G8

NW7 G11

NW7 G10

NW7 G11

N8 G13

N10 G18

N16 G21

N18 G23

NW9 G14

NW5 G10

NW7 G14

NW7 G14

NW7 G12

NW4 G10

W2 G7

N7 G11

N6 G11

N8 G11

NW7 G12

NW7 G12

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Airport Reports

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Airport	Dist	Age	Wind kt	Visibility	Sky/Weather	Temp	DewPt	Humidity	Pressure
Beaufort, Marine Corps Air Station, SC	17 mi	19 min	NNW 6	10.00 mi	Fair	50°F	35°F	57%	1025.2 hPa
Beaufort County Airport, SC	17 mi	20 min	NNE 5	10.00 mi	Fair	46°F	33°F	62%	1024.7 hPa
Walterboro Lowcountry Regional Airport, SC	22 mi	40 min	NNE 5	10.00 mi	Fair	46°F	30°F	53%	1025.7 hPa

Link to 5 minute data for KARW

Wind History from ARW (wind in knots)

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Last 24hr

N13 G20

N14 G20

N12 G18

N10 G16

N10

N11 G22

N15 G19

N12 G17

N11 G17

N12 G15

NW9

N12 G16

N10

N10

N14 G19

N14 G21

NE17

N13 G17

N13

NE11 G18

NE13

NE11 G15

NE11

NE8

1 day ago

N8

N9

N7

NE12 G16

NE11

NE11 G15

N7

N6

N8

N9

N10

NE16 G20

N18

N20

N15

N15 G21

N16 G21

N16 G23

N15 G19

N12 G23

N22 G28

N13 G19

N18 G26

N17 G20

2 days ago

W18 G22

W8

W8

NW11 G18

NW10 G15

NW8

NW9 G15

NW9

NW9

N8

N11

N15

N13 G18

N13

NE14

N13

NE11

N13 G19

NE11 G14

N6

N7

N6 G9

N9

N9

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Tide / Current Tables for Airy Hall Plantation, Ashepoo River, South Carolina

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Tide / Current Tables for Fenwick Island, South Carolina

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Weather Map

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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

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Wind Forecast for Charleston, SC (18,4,5,8)

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Ground Weather Radar Station Charleston, SC

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