Sunday, January26, 2020
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Marine Weather and Tides
Talahi Island, GA

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.

Sunrise 7:20AMSunset 5:53PM Sunday January 26, 2020 4:04 AM EST (09:04 UTC) Moonrise 8:41AMMoonset 7:37PM Illumination 2% Phase: Waxing Crescent; Moon at 1 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- 308 Am Est Sun Jan 26 2020
Today..NW winds 10 to 15 kt, becoming W 5 to 10 kt. Seas 2 to 3 ft.
Tonight..W winds 5 to 10 kt. Seas 1 to 2 ft. A slight chance of showers in the evening, then showers likely after midnight.
Mon..W winds 5 to 10 kt. Seas 1 to 2 ft. A chance of showers, mainly in the morning.
Mon night..NW winds 10 to 15 kt. Seas 1 to 2 ft.
Tue..N winds 10 to 15 kt, becoming ne 5 kt in the afternoon. Seas 2 ft.
Tue night..NW winds 5 kt. Seas 1 foot.
Wed..NE winds 5 kt. Seas 2 ft. A slight chance of showers.
Wed night..NE winds 5 to 10 kt. Seas 2 ft. A slight chance of showers.
Thu..NE winds 10 to 15 kt. Seas 2 ft.
Thu night..NE winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers.
AMZ300 308 Am Est Sun Jan 26 2020
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. A disturbance will move through the area late tonight into early Monday, followed by a return of high pressure. Another weak disturbance should pass to the south midweek followed by a potentially more potent storm system for the region towards the end of the 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 260846 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 346 AM EST Sun Jan 26 2020

SYNOPSIS. A disturbance will move through the area late tonight into early Monday, followed by a return of high pressure. Another weak disturbance should pass to the south midweek followed by a potentially more potent storm system for the region towards the end of the week.

NEAR TERM /THROUGH TODAY/. A fairly zonal flow will prevail across the Deep South into the Southeast U.S. today as surface high pressure maintains its influence on the region. A thick batch of cirrus associated with the subtropical jet is progged to exit off the coast by daybreak leaving much of the day with sunny to mostly sunny skies. This clearing is denoted well on GOES-E IR imagery across portions of Alabama, Mississippi and the Florida Panhandle early this morning. Highs are poised to rise into the lower 60s for many areas as near full insolation combines with 850-1000 hPa thicknesses of 1338-1444 meters. Cirrus will begin to increase again from the west late this afternoon ahead of shortwave energy propagating into the lower Mississippi Valley, but data suggest most of this will likely hold off until near or after the diurnal maximum. Rain-free conditions will persist.

SHORT TERM /TONIGHT THROUGH WEDNESDAY/. Tonight: Shortwave energy digging southeast across the Plain States this afternoon is forecast to phase with a southern stream shortwave exiting out of East Texas later this evening. The Texas shortwave is already helping to generate scattered to numerous showers with some tstms across coastal Texas into portions of Louisiana, Arkansas, and the northwest Gulf of Mexico this morning. This activity will steadily push east through the day, slowly consolidating across the north-central Gulf coast before expanding northeast into portions of central/southern Georgia into southern South Carolina later tonight. The resident airmass across the region is quite dry with large dewpoint depressions noted through much of the lower Troposphere. Although the atmosphere will slowly moisten this evening as light rain begins to fall into it, any meaningful rainfall should hold off until the midnight-daybreak timeframe when the corridor of strongest quasi-geostrophic forcing with the phased shortwaves swing through. Rainfall amounts look to remain quite light with most areas likely only picking up a few hundredths, possibly as high as 0.10-0.15" where pockets of heavier rain falls.

This event has the usual characteristics of a winter-time high pop/low QPF scenario. Likely pops look reasonable for most areas for the overnight period. The dry air may prove too much to get measurable rainfall across the far northern areas near the Santee-Cooper Lakes, so this will have to be monitored closely. Lows will range from the mid 40s inland to the upper 40s/near 50 at the coast.

Monday: The mid-levels will consist of a wave moving offshore in the morning, followed by semi-zonal flow overhead. In the evening, another wave will approach from the northwest, mainly passing to our north overnight. At the surface, a weak storm system located in the Gulf of Mexico will move east. Meanwhile, high pressure will move into our area from the northwest. Any remaining showers will quickly end from west to east in the morning as drier air moves in. A few hundredths of QPF is possible in the morning, followed by a dry afternoon with gradually clearing skies. Overnight will be dry as well with a continual decrease in clouds. High and low temperatures should be normal.

Tuesday: A mid-level wave just offshore in the morning will move away, allowing semi-zonal flow to prevail overhead. High pressure centered to our northwest will continue to bring our area dry conditions with mostly sunny skies during the day. Overnight a distant storm system will approach from the west. It's not expected to reach our area. Though, high clouds should increase overnight. Temperatures will be normal.

Wednesday: The mid-levels will consist of wave to our west in the morning. The wave should pass overhead in the afternoon or evening. At the surface, a weak storm system centered near the Lower MS Valley in the morning will move eastward. The bulk of the energy is expected to pass to our south during the afternoon and evening. Likewise, the best lift and moisture will also remain to our south. Models only hint at some isolated to maybe scattered showers across our area. We have the highest POPs near the Altamaha, especially in the afternoon. QPF should be minimal, if anything. Highs are expected to be normal.

LONG TERM /WEDNESDAY NIGHT THROUGH SATURDAY/. A quick moving storm system will be to our south Wednesday night, moving to the east. Some light showers are possible Wednesday night, with clearing by daybreak Thursday. High pressure far to our north should bring dry conditions on Thursday. But this will be short- lived. Thursday night a storm system starts to develop in the Gulf of Mexico, overspreading the Southeast perhaps on Friday, then moving offshore maybe on Saturday. The 00Z models still have significant differences in the location, strength, and evolution of this system, which makes the potential impacts to our area still difficult to determine. We opted to continue with chance POPs. More changes will be needed as future model runs come into better agreement.

AVIATION /07Z SUNDAY THROUGH THURSDAY/. VFR.

Extended Aviation Outlook: VFR.

MARINE. Through Tonight: There are no concerns. West winds will prevail through the period with winds generally less than 15 kt. Seas will average 2-4 ft, although will initially be as high a 5 ft over the eastern portions of the Georgia offshore leg this morning.

Monday through Thursday: High pressure will prevail Monday into Tuesday. A weak disturbance should pass to our south Wednesday. A potentially more potent storm system could approach the coastal waters towards the end of the week. No marine headlines are expected for the current forecast time period.

CHS WATCHES/WARNINGS/ADVISORIES. GA . None. SC . None. MARINE . None.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FPKG1 - 8670870 - Fort Pulaski, GA 7 mi52 min 46°F 51°F1019.1 hPa
41033 33 mi56 min NW 14 G 18 46°F 53°F1019.4 hPa
ACXS1 - ACE Basin Reserve, SC 42 mi79 min WSW 1 42°F 1018 hPa38°F
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 50 mi74 min NW 14 G 16 51°F 57°F3 ft1019 hPa (+0.3)42°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 mi2.1 hrsW 410.00 miFair44°F35°F73%1018.2 hPa
Savannah-Hilton Head International Airport, GA11 mi71 minW 510.00 miFair44°F36°F73%1018.9 hPa
Hilton Head Island, Hilton Head Airport, SC17 mi69 minWNW 710.00 miFair45°F35°F71%1019 hPa

Link to 5 minute data for KSAV

Wind History from SAV (wind in knots)
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1 day agoNW4N3NE4E3SE5E10E6SE8SE9S11S12S14S8S8S8S7SW3S4SW4SW7W8W9W9W6
2 days agoN6NE7NE6N6NE8N8N8N5N7NE7NE6NE8NE5N5NE6E7E7NE7NE7E5E6E5E6E3

Tide / Current Tables for Turnbridge Landing, Salt Water Creek, New River, South Carolina
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Turnbridge Landing
Click for Map
Sun -- 03:48 AM EST     -0.42 feet Low Tide
Sun -- 07:21 AM EST     Sunrise
Sun -- 08:40 AM EST     Moonrise
Sun -- 10:43 AM EST     7.67 feet High Tide
Sun -- 04:24 PM EST     -0.26 feet Low Tide
Sun -- 05:51 PM EST     Sunset
Sun -- 07:37 PM EST     Moonset
Sun -- 10:51 PM EST     6.77 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.33.51.60-0.40.21.63.45.26.67.57.66.85.33.21.1-0.1-0.10.92.44.15.66.56.8

Tide / Current Tables for Savannah River Entrance, Georgia Current
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Savannah River Entrance
Click for Map
Sun -- 01:28 AM EST     -1.82 knots Max Ebb
Sun -- 03:56 AM EST     0.00 knots Slack
Sun -- 06:38 AM EST     1.97 knots Max Flood
Sun -- 07:20 AM EST     Sunrise
Sun -- 08:40 AM EST     Moonrise
Sun -- 10:26 AM EST     -0.00 knots Slack
Sun -- 02:00 PM EST     -2.19 knots Max Ebb
Sun -- 04:32 PM EST     0.01 knots Slack
Sun -- 05:51 PM EST     Sunset
Sun -- 06:57 PM EST     1.87 knots Max Flood
Sun -- 07:36 PM EST     Moonset
Sun -- 10:35 PM EST     -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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-1.5-1.8-1.7-1.10.11.21.91.91.71.30.5-0.6-1.4-2-2.2-1.8-0.70.61.61.91.71.20.6-0.4

Weather Map
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wmap_A
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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Charleston, SC (4,6,7,8)
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Ground Weather Radar Station Charleston, SC
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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 numerous 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.