Thursday, July29, 2021
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Marine Weather and Tides
Talahi Island, 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 6:36AMSunset 8:25PM Thursday July 29, 2021 8:24 PM EDT (00:24 UTC) Moonrise 11:06PMMoonset 11:04AM Illumination 69% Phase: Waning Gibbous; Moon at 20 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- 621 Pm Edt Thu Jul 29 2021
Tonight..S winds 5 to 10 kt, becoming sw after midnight. Seas 2 ft.
Fri..SW winds 10 to 15 kt. Seas 2 to 3 ft.
Fri night..SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Sat..SW winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. A slight chance of showers and tstms in the afternoon.
Sat night..SW winds 10 to 15 kt. Seas 3 ft. A chance of showers and tstms.
Sun..SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers and tstms.
Sun night..SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft. A chance of showers and tstms.
Mon..SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms likely.
Mon night..SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms likely.
Tue..SW winds 10 to 15 kt. Seas 2 to 3 ft. Showers and tstms.
Tue night..SW winds 10 to 15 kt. Seas 3 ft. Showers and tstms likely. Mariners are reminded that winds and seas higher in and near tstms.
AMZ300 621 Pm Edt Thu Jul 29 2021
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. High pressure will build over the area into Friday night. A cold front will then stall over or just north of the area through the middle of next week.


7 Day Forecast for Marine Location Near Talahi Island, GA
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location: 32.12, -80.99     debug


Area Discussion for - Charleston, SC
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FXUS62 KCHS 292238 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 638 PM EDT Thu Jul 29 2021

SYNOPSIS. High pressure will build over the area into Friday night. A cold front will then stall over or just north of the area through the middle of next week.

NEAR TERM /UNTIL 6 AM FRIDAY MORNING/. Quiet weather will prevail tonight. Lingering cu will continue to dissipate with loss of heating, resulting in clear skies overnight. Can't rule out some cirrus dropping in from the north late tonight. Lows will average in the mid 70s, except upper 70s near the immediate coast. Ongoing forecast was in good shape, so very little change was needed with the early evening update.

SHORT TERM /6 AM FRIDAY MORNING THROUGH SUNDAY/. Forecast confidence: Moderate.

Deep high pressure into Friday night across the SC Lowcountry/GA Coastal Empire will give way to an approaching cold front by this weekend. The main concern this period will be the potential for excessive heat, which would really be the first time this year.

On Friday, the low-level flow will be more west-southwest and ridging will be strongest which will limit the sea breeze influence and overall risk for convection. Temperatures should push toward the century mark inland with even coastal areas possibly touching 90 degrees. The biggest forecast challenge is dewpoint temperatures which will likely lower inland during the day but surge near the coast late. At this point we are forecasting heat indices peaking close to 115 degrees just inland from the immediate coast and we have thus issued an Excessive Heat Watch there with a Heat Advisory for slightly lower heat indices for much of the rest of the Lowcountry/Coastal Empire except for areas well inland toward the CSRA where confidence is lowest in reaching heat indices of 110 degrees. Some shortwave energy could help spark a few showers/storms Friday night, mainly in SC, although we left rain chances at about 10 percent or less for now due to low confidence. Lows Friday night will be above normal in the mid to upper 70s most spots with lower 80s near the coast.

Saturday: The front looks to be closer to the area so despite a bit more cloud cover to start it should be another hot day with highs in the mid to upper 90s most inland spots, possibly touching 100 degrees, especially in GA. Heat indices could once again near 115 degrees in spots just inland from the beaches but should at least reach Heat Advisory levels most areas. Some more shortwave energy aloft and the pinned sea breeze could be enough to spark off isolated to scattered showers/storms mostly later in the day. A few of these storms could become severe. Storms will wind down later Saturday night with lows mainly in the upper 70s inland.

Sunday: The pattern is about the same although the mid level troughing is a bit weaker which should lead to a bit better rain chances, especially later in the day once the sluggish sea breeze gets going. Heat indices could once again reach 110 degrees for some areas so additional Heat Advisories will be possible.

LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/. Forecast confidence: Moderate.

Deep troughing should prevail keeping the weather more unsettled and cooler than normal. Some periods of heavy rain are possible.

AVIATION /00Z FRIDAY THROUGH TUESDAY/. VFR.

Extended Aviation Outlook: High confidence in mostly VFR conditions at KCHS/KJZI/KSAV through early Sunday afternoon although some restrictions will be possible late Saturday due to showers/storms. There looks to be a greater risk for restrictions from periodic showers/storms starting Sunday night as deeper moisture move into the area.

MARINE. Tonight: South to southwest winds will pick up to 10-15 kt overnight in response to lee-side troughing that develops well to the west. Seas will average 1-2 ft.

Friday through Tuesday: Moderate confidence this period. Atlantic high pressure will prevail with a stalled front inland. Winds could get near Small Craft Advisory levels at times, especially Friday afternoon/evening near the Charleston County coast.

CHS WATCHES/WARNINGS/ADVISORIES. GA . Excessive Heat Watch from Friday afternoon through Friday evening for GAZ117-119-139-141. Heat Advisory from 1 PM to 7 PM EDT Friday for GAZ101-116-118- 137-138-140. SC . Excessive Heat Watch from Friday afternoon through Friday evening for SCZ044-045-048>052. Heat Advisory from 1 PM to 7 PM EDT Friday for SCZ042-043-047. MARINE . None.



NEAR TERM . ETM SHORT TERM . RJB LONG TERM . RJB AVIATION . ETM/RJB MARINE . JRL/RJB


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FPKG1 - 8670870 - Fort Pulaski, GA 7 mi55 min 84°F 84°F1016.3 hPa
41033 33 mi77 min SSE 7.8 G 9.7 84°F 87°F1014.8 hPa
ACXS1 - ACE Basin Reserve, SC 42 mi100 min SE 1 87°F 1016 hPa78°F
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 50 mi95 min SE 5.8 G 7.8 83°F 86°F2 ft1015.1 hPa (+0.0)78°F

Wind History for Fort Pulaski, GA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hunter U. S. Army Airfield, GA11 mi29 minSSE 510.00 miFair84°F75°F74%1015.2 hPa
Savannah-Hilton Head International Airport, GA11 mi32 minSSE 710.00 miA Few Clouds85°F75°F72%1015.5 hPa
Hilton Head Island, Hilton Head Airport, SC17 mi35 minS 510.00 miFair84°F77°F79%1015.9 hPa

Link to 5 minute data for KSVN

Wind History from SVN (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSE5E4E5SE5SE5
1 day agoCalmCalmS9SW5SW7NW4W3W3SW6W5W3W5CalmCalmNW7N4CalmCalmN4CalmCalmNW8CalmCalm
2 days agoE5E5E5E5S7SE3S9
G16
S4CalmCalmSW4--NW7CalmN3N3NW3NW5NW3N4NE5E4E5SE5

Tide / Current Tables for Turnbridge Landing, Salt Water Creek, South Carolina
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Savannah River Entrance, Georgia Current
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Savannah River Entrance
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Thu -- 01:48 AM EDT     -0.00 knots Slack
Thu -- 05:08 AM EDT     -2.03 knots Max Ebb
Thu -- 06:36 AM EDT     Sunrise
Thu -- 07:48 AM EDT     0.01 knots Slack
Thu -- 10:23 AM EDT     2.11 knots Max Flood
Thu -- 12:03 PM EDT     Moonset
Thu -- 02:08 PM EDT     -0.00 knots Slack
Thu -- 05:27 PM EDT     -1.87 knots Max Ebb
Thu -- 08:20 PM EDT     0.00 knots Slack
Thu -- 08:22 PM EDT     Sunset
Thu -- 10:52 PM EDT     1.66 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.40.8-0.2-1.2-1.8-2-1.8-10.31.52.121.610.2-0.9-1.6-1.8-1.8-1.4-0.40.71.51.7

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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