Wednesday, July17, 2019 L-36.com


Marine Weather and Tides
Bamberg, SC

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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 6:27AMSunset 8:38PM Wednesday July 17, 2019 5:19 AM EDT (09:19 UTC) Moonrise 8:22PMMoonset 5:58AM Illumination 100% Phase: Full Moon; Moon at 15 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- 329 Am Edt Wed Jul 17 2019
Today..SW winds 5 to 10 kt, becoming S 15 kt. A slight chance of showers and tstms this afternoon.
Tonight..SW winds 10 to 15 kt.
Thu..SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts to 20 kt in the afternoon. A slight chance of showers and tstms in the afternoon.
Thu night..SW winds 10 to 15 kt with gusts to 20 kt, diminishing to 5 to 10 kt after midnight. A chance of showers and tstms.
Fri..SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts to 20 kt in the afternoon. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon.
Fri night..SW winds 10 to 15 kt with gusts to 20 kt, diminishing to 5 to 10 kt after midnight. A chance of showers and tstms.
Sat..SW winds 10 to 15 kt. A chance of showers and tstms.
Sat night..SW winds 10 to 15 kt. A chance of showers and tstms.
Sun..SW winds 10 to 15 kt. A chance of showers and tstms.
Sun night..SW winds 10 to 15 kt. A chance of showers and tstms. Mariners are reminded that winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston harbor water temperature 87 degrees.
AMZ300 329 Am Edt Wed Jul 17 2019
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. The area will remain situated between inland low pressure and offshore high pressure into early next week. A stronger storm system may affect the area toward 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 170729
afdcae
area forecast discussion
national weather service columbia sc
329 am edt Wed jul 17 2019

Synopsis
A mid level ridge over the southeastern states will weaken and
move south of the area this afternoon as a trough approaches
from the west. The trough will move through the region Thursday
into Friday bringing increased chances for rainfall. Upper-
level ridging returns over the weekend with a lee trough. This
pattern supports typical summertime convection each day. Models
suggest an upper-level trough will dig into the eastern us early
next week with a frontal boundary approaching the region near
the end of the forecast period.

Near term through today
A mid level ridge of high pressure over the southeast this
morning will weaken and move south of the forecast area this
afternoon as a short wave approaches from the west. A surface
trough of low pressure will develop over the area this
afternoon. This trough and a sea breeze front will be the focus
for isolated to scattered showers and thunderstorms as the
airmass becomes moderately unstable this afternoon. Temperatures
will once again range from 95 to 100 degrees... Producing heat
index values between 100 and 105 degrees.

Short term tonight through Thursday night
Upper ridge will continue to weaken tonight as a upper trough
associated with the remnants of barry pushes north of the area
and through the mid-atlantic. Models do still indicate the
potential for isolated showers early in the evening, then expect
that any lingering activity will diminish late tonight.

Overnight lows in the middle 70s once again.

For Thursday, the main upper trough will be slow to move off the
coast along the southeastern states. Moisture will still remain
high across the cwa, and with afternoon highs in the middle to
upper 90s, can not rule out isolated thunderstorms in the
afternoon. Heat index values are generally expected to range
between 100 and 105 in the afternoon.

Thursday night, shower storm activity diminishes again after
sunset, with overnight lows in the lower to middle 70s.

Long term Friday through Tuesday
Not much change through the longer term. Center of upper ridge
sets up north of the area, keeping the CWA in an easterly upper
flow pattern through the weekend. At the surface, high
pressure will ridge into the region from the east bringing
additional moisture to the area. This pattern supports an
increase in diurnal convective activity through much of the long
term. Above normal temperatures are likely. Both the ECMWF and
gfs bring an upper-level trough into the eastern us, breaking
down the upper ridging early next week. An associated surface
boundary may near the forecast area towards the end of the long
term bringing a higher chance of rainfall, higher cloud coverage
and cooler high temperatures.

Aviation 07z Wednesday through Sunday
Expect mainlyVFR conditions today. Restrictions possible in
patchy fog at ags through 12z.

Surface high pressure will weaken across the area today with a
weak surface trough of low pressure developing this afternoon.

Isolated to widely scattered convection should develop this
afternoon as the airmass become moderately unstable. Our
confidence in coverage or timing is too low to include in the
forecast.

The chance for showers and thunderstorms will continue tonight
as a weak upper level disturbance crosses the region.

Light winds this morning will become southwest around 10 knots
by late morning... Then diminish after sunset.

Extended aviation outlook... Ridging extending from the atlantic
is forecast to dominate. Thunderstorms mainly associated with
strong heating will be scattered. Some locations may experience
early morning fog.

Cae watches warnings advisories
Ga... None.

Sc... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LMFS1 - Lake Murray SC 57 mi59 min SW 7 G 8.9 82°F 1017.3 hPa
ACXS1 - ACE Basin Reserve, SC 60 mi94 min Calm 80°F 1018 hPa80°F

Wind History for Charleston, SC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Orangeburg, Orangeburg Municipal Airport, SC15 mi26 minN 09.00 miFair77°F73°F90%1018.1 hPa
Barnwell Regional Airport, SC19 mi24 minSSW 310.00 miPartly Cloudy79°F75°F89%1018.3 hPa

Wind History from OGB (wind in knots)
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Last 24hrCalmCalmCalmCalmNW3CalmCalmN7NW7SW3CalmW6W5S5SW3SE7S6S5S3SW3CalmCalmCalmCalm
1 day agoCalmNW3CalmCalm3CalmSE44S44N4N4CalmW7CalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
2 days agoCalmCalmW6NW7NW6NW75NW6W5NW7NW8NW4NW8NW6NW3CalmCalmN3CalmCalmCalmW3CalmCalm

Tide / Current Tables for Cuckolds Creek, Combahee River, South Carolina
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Cuckolds Creek
Click for Map
Wed -- 01:36 AM EDT     3.94 feet High Tide
Wed -- 06:26 AM EDT     Sunrise
Wed -- 06:57 AM EDT     Moonset
Wed -- 07:33 AM EDT     0.16 feet Low Tide
Wed -- 01:47 PM EDT     3.33 feet High Tide
Wed -- 07:30 PM EDT     0.29 feet Low Tide
Wed -- 08:30 PM EDT     Sunset
Wed -- 09:19 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.53.93.93.52.81.90.90.30.20.61.32.12.83.23.332.41.60.90.40.30.71.42.3

Tide / Current Tables for Ashepoo, Ashepoo River, South Carolina
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Ashepoo
Click for Map
Wed -- 01:09 AM EDT     2.63 feet High Tide
Wed -- 06:26 AM EDT     Sunrise
Wed -- 06:57 AM EDT     Moonset
Wed -- 07:21 AM EDT     0.10 feet Low Tide
Wed -- 01:20 PM EDT     2.22 feet High Tide
Wed -- 07:18 PM EDT     0.18 feet Low Tide
Wed -- 08:30 PM EDT     Sunset
Wed -- 09:18 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.42.62.52.21.710.50.10.20.511.622.22.21.91.40.90.50.20.30.61.11.7

Weather Map and Satellite Images
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wmap_A
GOES 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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Columbia, SC (5,6,7,8)
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Ground Weather Radar Station Charleston, SC
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.