Tuesday, October22, 2019 L-36.com


Marine Weather and Tides
Talahi Island, GA

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 7:31AMSunset 6:45PM Tuesday October 22, 2019 7:36 PM EDT (23:36 UTC) Moonrise 12:10AMMoonset 2:25PM Illumination 31% Phase: Waning Crescent; Moon at 24 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- 559 Pm Edt Tue Oct 22 2019
Tonight..SW winds 10 to 15 kt, becoming nw 15 to 20 kt. Seas 2 to 4 ft, except 1 to 2 ft near the coast.
Wed..N winds 15 to 20 kt, becoming ne 10 to 15 kt in the afternoon. Seas 2 to 3 ft.
Wed night..NE winds 5 to 10 kt. Seas 2 to 3 ft.
Thu..NE winds 10 to 15 kt. Seas 2 to 3 ft.
Thu night..E winds 10 to 15 kt with gusts to 20 kt. Seas 3 ft.
Fri..E winds 10 to 15 kt with gusts to 20 kt. Seas 3 ft. A slight chance of showers in the afternoon.
Fri night..E winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers.
Sat..E winds 10 kt. Seas 3 to 4 ft. A chance of showers.
Sat night..E winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers.
Sun..E winds 10 kt. Seas 3 to 4 ft. A chance of showers.
Sun night..E winds 10 kt. Seas 3 to 4 ft. A chance of showers.
AMZ300 559 Pm Edt Tue Oct 22 2019
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. High pressure will build tonight and then persist through Thursday. High pressure to the north will move offshore on Friday, followed by a series of low pressure systems over the weekend through early 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 222148
afdchs
area forecast discussion
national weather service charleston sc
548 pm edt Tue oct 22 2019

Synopsis
High pressure will build tonight and then persist through
Thursday. High pressure to the north will move offshore on
Friday, followed by a series of low pressure systems over the
weekend through early next week.

Near term until 6 am Wednesday morning
Radar, 1-min visible satellite data, and surface observations
show the cold front has passed the i-95 corridor and is on
target to push off the coast shortly. The risk for measurable
rainfall has ended and dry weather will prevail through the
night beneath weak cold air advection. Winds could be a bit
gusty through sunset, but will diminish later this evening as
high pressure builds in behind the cold front. Lows will range
from the upper 40s across interior southeast georgia to the mid-
upper 50s at the coast.

Climate note: the low temperature at ksav so far for the day is
73 degrees which is warmer than the daily record high minimum
of 72 degree that was last set in 1984. The climate day extends
through 1 am edt and temperatures will be well below this by
then; therefore, the 72 degree record high minimum for 22
october will stand.

Short term 6 am Wednesday morning through Friday
A broad surface high will expand over the southeast states Wednesday
and Thursday. Deep layered dry air will persist on Wednesday with
sunshine and temps in the lower to mid 70s. On Thursday, we should
begin to see more in the way of stratocumulus in south ga as the
onset of isentropic ascent and higher lower level moisture levels
are forecast. Dry weather will continue for all areas with highs
most areas in the mid 70s.

On Friday, the GFS has backed off quite a bit on rain chances with
the ECMWF still stronger with mid level ridging, keeping our region
dry for the most part. We trended pops down a bit in the 20 30 range
increasing from south to north during the afternoon hours and
maintained abundant clouds as stratocumulus will prevail. It should
be a few degrees milder with readings in the mid upper 70s.

Long term Friday night through Tuesday
A relatively wet period is in store for the weekend into early
next week. A long-duration broad upper trough will persist to
our west while unseasonably high moisture continues to
overspread the southeast. A series of surface lows will lift
northeast through the area, bringing periods of showers.

Aviation 22z Tuesday through Sunday
Vfr.

Extended aviation outlook: increasing chances for low clouds and
periodic flight restrictions late week into the weekend along with
scattered convective rains increasing over the weekend.

Marine
Tonight: a cold front will move offshore this evening, followed
by high pressure building across the southeast overnight. The
combination of cold air advection and the pressure gradient will
cause winds to turn to the northwest and increase. We issued a
small craft advisory for the georgia waters beyond 20 nm for
wind gusts around 25 kt. Gusts should remain just under 25 kt
within 20 nm. Seas will build in response, generally remaining
below 6 ft.

Wednesday through Sunday: a northeast flow will persist over
the waters for much of the time from Wednesday through Friday.

The winds should continue to veer more SE to S over the weekend
with enough gradient to support winds at least in the 15 kt
range. Although winds are not currently forecast to reach small
craft advisory levels, seas may push above 6 ft this weekend
over ga waters 20-60 nm.

Chs watches warnings advisories
Ga... None.

Sc... None.

Marine... Small craft advisory from midnight tonight to 10 am edt
Wednesday for amz374.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FPKG1 - 8670870 - Fort Pulaski, GA 7 mi55 min SW 5.1 G 7 78°F 74°F1012.9 hPa
41033 33 mi29 min SW 9.7 G 14 76°F 75°F1013.1 hPa
ACXS1 - ACE Basin Reserve, SC 42 mi52 min SW 1 78°F 1012 hPa71°F
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 50 mi47 min WSW 9.7 G 12 77°F 78°F2 ft1012.8 hPa (+0.9)73°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 mi1.7 hrsW 710.00 miA Few Clouds82°F69°F67%1011.4 hPa
Savannah-Hilton Head International Airport, GA11 mi44 minW 710.00 miPartly Cloudy78°F66°F67%1012.6 hPa
Hilton Head Island, Hilton Head Airport, SC17 mi47 minN 010.00 miPartly Cloudy79°F69°F74%1012.5 hPa

Link to 5 minute data for KSVN

Wind History from SVN (wind in knots)
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Last 24hrSE3SE6E4E5E4SE3CalmW3CalmCalmS5S8SW5SW8SW7SW7SW10
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1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNE3E6E8E10E8E11E6E8E8E6E4
2 days agoSE7SE9
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W11W9W7Calm

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
Click for Map
Tue -- 12:49 AM EDT     1.44 knots Max Flood
Tue -- 01:09 AM EDT     Moonrise
Tue -- 04:32 AM EDT     -0.00 knots Slack
Tue -- 07:20 AM EDT     -1.50 knots Max Ebb
Tue -- 07:32 AM EDT     Sunrise
Tue -- 10:33 AM EDT     0.00 knots Slack
Tue -- 01:17 PM EDT     1.99 knots Max Flood
Tue -- 03:24 PM EDT     Moonset
Tue -- 05:02 PM EDT     -0.00 knots Slack
Tue -- 06:43 PM EDT     Sunset
Tue -- 08:10 PM EDT     -1.81 knots Max Ebb
Tue -- 11:23 PM EDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.31.41.20.90.4-0.4-1.2-1.5-1.5-1.2-0.60.51.521.91.40.90-1-1.6-1.8-1.7-1.3-0.4

Weather Map
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wmap_A
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Charleston, SC (19,4,5,8)
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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.