Thursday, July29, 2021
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Marine Weather and Tides
Bamberg, SC

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 8:30PM Thursday July 29, 2021 9:10 PM EDT (01:10 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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AMZ330 Charleston Harbor- 621 Pm Edt Thu Jul 29 2021
Tonight..S winds 5 to 10 kt, becoming sw late.
Fri..SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Waves 1 to 2 ft.
Fri night..SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Waves 1 to 2 ft.
Sat..W winds 5 to 10 kt, becoming sw 10 to 15 kt in the afternoon. A slight chance of showers and tstms in the afternoon.
Sat night..SW winds 10 kt. A chance of showers and tstms.
Sun..SW winds 10 to 15 kt. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon.
Sun night..SW winds 10 to 15 kt with gusts to 20 kt. A chance of showers and tstms.
Mon..SW winds 10 to 15 kt. Showers and tstms likely.
Mon night..SW winds 10 to 15 kt. Showers and tstms.
Tue..SW winds 10 to 15 kt. Showers and tstms.
Tue night..SW winds 10 to 15 kt. Showers and tstms likely. Mariners are reminded that winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston harbor water temperature 86 degrees.
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 Bamberg, SC
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location: 33.3, -81.04     debug


Area Discussion for - Columbia, SC
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FXUS62 KCAE 292355 AFDCAE

Area Forecast Discussion National Weather Service Columbia SC 755 PM EDT Thu Jul 29 2021

SYNOPSIS. Temperatures will remain above normal through Saturday. Some isolated showers and thunderstorms are possible Friday and Saturday afternoons as a weak boundary slides across the area. The strong ridge to our west weakens as a trough digs in across the eastern US bringing much cooler and wetter weather for the area from Sunday through the end of the week.

NEAR TERM /UNTIL 6 AM FRIDAY MORNING/. Fair overnight with a dry atmosphere in place. Without rain cooling, and with expectation of boundary layer wind staying up some, per latest GFS BUFKIT time height display, significant fog not expected. Guidance consensus min temps in the mid 70s.

SHORT TERM /6 AM FRIDAY MORNING THROUGH SATURDAY NIGHT/. We still remain under northwest flow aloft by Friday morning as a weak surface boundary approaches from the northwest. Temperatures Friday are forecast to near or exceed 100 F across the forecast area and guidance is pretty consistent in the temp forecast, all generally sitting around 100 F. The more pressing question is how high will the heat index reach. Currently the forecast keeps us right around the heat advisory criteria (110 F - 114 F for 2+ hours), topping out near 110 F in Augusta and Orangeburg. One small relief from the heat will be the increasing pressure gradient as the surface boundary approaches, driving winds around 8-10 mph from the west-southwest in the afternoon. How much mixing occurs and possible downsloping as the winds slowly shift out to out of the northwest late in the afternoon is also lending to the uncertainty in the heat index forecast. Heat advisory will be in place tomorrow afternoon, however.

As the surface boundary crosses the region, a line of scattered showers or thunderstorms is expected to develop. Coverage will be generally thin but there is some enhanced instability aloft, so any storms that do develop could be strong. The timing is roughly between 21z and 06z, and primarily across the northern Midlands and upstate. Overnight lows expected to stay in the mid-upper 70s.

With the boundary passage, we should see drier filter in, some weak downsloping, and subsidence early Saturday. Dew points and temps will be a few degrees cooler compared to Thursday and Friday. PoPs increase a bit in the afternoon as the surface boundary stalls just south of the area, but confidence is somewhat low in the PoPs for Saturday evening. Highs in the mid- upper 90s with light north- northwest winds.

LONG TERM /SUNDAY THROUGH THURSDAY/. Good agreement across the global ensembles in a fairly distinct pattern shift starting Sunday as a series of weak shortwaves are expected to dive south along the western side of the deep trough along the east coast. In combination with a weakening western ridge, this will allow the trough to retrograde and sink south, with the trough axis eventually sitting just west of the fa. The trough is expected to remain fairly stationary through mid-week and keep the fa under favorable synoptic scale divergence throughout that period. Consequently, and combined with steadily increasing PWATs as southwest surface flow continues, PoPs will remain chance or higher throughout the that period. With the widespread cloud cover and precipitation expected each day, temperatures are expected to be remain below average for daytime highs, Sunday through at least Wednesday.

AVIATION /00Z FRIDAY THROUGH TUESDAY/. VFR conditions expected at all the terminals through at least early Friday afternoon with mostly clear skies other than some afternoon cu and some thin cirrus tonight blowing off convection to the north. A cold front will approach the region late in the afternoon from the north. A few thunderstorms are possible ahead of the front. Too uncertain to include in terminals and should be late in the period.

EXTENDED AVIATION OUTLOOK . Scattered showers and thunderstorms with associated restrictions Saturday and Sunday mainly in the afternoon and evening. Showers and thunderstorms may become more numerous early next week.

CAE WATCHES/WARNINGS/ADVISORIES. GA . Heat Advisory from noon to 8 PM EDT Friday for GAZ040-063>065- 077. SC . Heat Advisory from noon to 8 PM EDT Friday for SCZ018-022- 025>031-035-037-038-041-135>137.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LMFS1 - Lake Murray SC 57 mi51 min SW 6 G 8 90°F
ACXS1 - ACE Basin Reserve, SC 60 mi86 min SSE 1 84°F 1016 hPa77°F

Wind History for Charleston, SC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Orangeburg, Orangeburg Municipal Airport, SC15 mi18 minS 610.00 miFair84°F77°F80%1015 hPa
Barnwell Regional Airport, SC19 mi16 minN 010.00 miFair86°F75°F70%1015.2 hPa

Link to 5 minute data for KOGB

Wind History from OGB (wind in knots)
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Last 24hrCalmCalmCalmE3CalmCalmNW3CalmCalmCalmCalmCalmCalmCalm44SW63SW7S6S7S6S5S6
1 day agoCalmCalmSE5CalmSE3N3CalmCalmNE3NW3N5N6E3NW5E3SW5NE3S7--CalmS5S4S4SW3
2 days agoS5S5S5S7CalmCalmNE4NE6NE3NE4E4NE4SE4E4SE4E5SE8SE8SE6CalmSE6SE6CalmSE4

Tide / Current Tables for Cuckolds Creek, Combahee River, South Carolina
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Cuckolds Creek
Click for Map
Thu -- 05:25 AM EDT     3.56 feet High Tide
Thu -- 06:34 AM EDT     Sunrise
Thu -- 11:03 AM EDT     0.40 feet Low Tide
Thu -- 12:02 PM EDT     Moonset
Thu -- 05:50 PM EDT     3.44 feet High Tide
Thu -- 08:23 PM EDT     Sunset
Thu -- 11:22 PM EDT     1.73 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.31.82.42.93.33.53.53.12.31.40.70.40.61.11.72.433.33.43.32.92.421.8

Tide / Current Tables for Ashepoo, Ashepoo River, South Carolina
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Ashepoo
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Thu -- 04:58 AM EDT     2.38 feet High Tide
Thu -- 06:34 AM EDT     Sunrise
Thu -- 10:51 AM EDT     0.24 feet Low Tide
Thu -- 12:02 PM EDT     Moonset
Thu -- 05:23 PM EDT     2.29 feet High Tide
Thu -- 08:22 PM EDT     Sunset
Thu -- 11:10 PM EDT     1.05 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.91.31.722.32.42.21.91.40.80.40.20.40.81.31.72.12.32.32.11.81.51.21.1

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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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