Saturday, April29, 2017 L-36.com


Marine Weather and Tides
Blacksburg, SC

Version 3.4
What's New / NOTES
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:34AMSunset 8:12PM Saturday April 29, 2017 11:12 PM EDT (03:12 UTC) Moonrise 8:29AMMoonset 10:53PM Illumination 17% Phase: Waxing Crescent; Moon at 4 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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AMZ450 Coastal Waters From Altamaha Sound To Fernandina Beach Fl Out 20 Nm- Coastal Waters From Fernandina Beach To St. Augustine Fl Out 20 Nm- Coastal Waters From St. Augustine To Flagler Beach Fl Out 20 Nm- 932 Pm Edt Sat Apr 29 2017
.small craft exercise caution...
Rest of tonight..South southeast winds 15 to 20 knots. Seas 2 to 4 feet. Dominant period 6 seconds. Inland waters a moderate chop.
Sunday..Southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 6 seconds. Inland waters a moderate chop.
Sunday night..South southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 6 seconds. Inland waters choppy.
Monday..South southeast winds 20 to 25 knots with gusts to around 35 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 7 seconds. Inland waters choppy. A chance of showers and Thunderstorms in the afternoon.
Monday night..South winds 15 to 20 knots becoming west southwest 10 to 15 knots after midnight. Gusts to 35 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Inland waters a moderate chop. A chance of showers and Thunderstorms.
Tuesday..North winds 5 to 10 knots becoming east northeast in the afternoon. Seas 2 to 4 feet. Inland waters a light chop. A chance of showers and Thunderstorms.
Tuesday night..Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Inland waters smooth. A slight chance of showers and Thunderstorms.
Wednesday..East southeast winds 5 to 10 knots. Seas 2 to 3 feet. Inland waters a light chop. A slight chance of showers and Thunderstorms.
Wednesday night..South southeast winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a moderate chop. A chance of showers and Thunderstorms.
Thursday..South winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Inland waters choppy. A chance of showers and Thunderstorms.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 932 Pm Edt Sat Apr 29 2017
Synopsis..High pressure will be east northeast of area waters through early Monday. A cold front will cross area waters Monday night. High pressure will build to the north Tuesday then to the northeast Wednesday. High pressure will be to the east into Friday...with a cold front moving through Friday night into Saturday.

7 Day Forecast for Marine Location Near Kings Bay Base, GA
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location: 30.77, -81.48     debug


Area Discussion for - Jacksonville, FL
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Fxus62 kjax 300126
afdjax
area forecast discussion
national weather service jacksonville fl
926 pm edt Sat apr 29 2017

Update Low level atlantic ridge axis was north of the area
providing a broad southeast flow to the region. 00z jax
sounding showed dry and stable mid level air which helped
suppress most convection although a few showers did manage
to briefly form inland. Winds were still gusty this eve but will
gradually decrease overnite. The southeast flow will continue
to push the smoke plume from the west mims wildfire to the
northwest. Visibilities will be reduced to less than 1 mile at
times near and just northwest of the wildfire.

Moist low level SE flow will probably bring in patchy low clouds
again overnite while high clouds will stream in from the gulf on
the western edge of the upper ridge.

Aviation Patchy low clouds expected to develop again tonight
first along the coast and move inland overnite. Have MVFR cigs
developing aft 05z-06z and continuing into much of Sunday morning.

There may be a brief period of ifr cigs.VFR CIGS expected
Sunday afternoon. Gusty SE winds beginning mid morning (15z).

Marine Low level atlantic ridge axis will remain north of the
waters through Sunday. Southeast winds 15 to 20 knots with
seas 2 to 4 feet near shore and 3 to 5 feet offshore.

Small craft should exercise caution.

Rip currents: moderate risk through Sunday due to an onshore
flow and a long period swell.

Preliminary point temps/pops
Amg 67 90 69 86 / 10 10 10 50
ssi 73 84 73 82 / 10 10 20 30
jax 68 86 71 89 / 10 10 10 20
sgj 73 85 72 86 / 10 10 10 30
gnv 66 89 69 89 / 10 20 20 20
ocf 68 91 69 90 / 10 20 20 30

Jax watches/warnings/advisories
Fl... None.

Ga... None.

Am... None.

Pp/sc/aw


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FRDF1 - 8720030 - Fernandina Beach, FL 7 mi43 min SE 5.1 G 12 76°F 78°F1021.8 hPa
41112 - Offshore Fernandina Beach, FL (132) 11 mi43 min 75°F3 ft
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 26 mi43 min SE 7 G 11 76°F 77°F1021.3 hPa
BLIF1 26 mi43 min SE 12 G 17 77°F 1021.4 hPa73°F
LTJF1 27 mi43 min 76°F 71°F
DMSF1 27 mi43 min 79°F
NFDF1 27 mi43 min SE 8.9 G 12 77°F 1021.3 hPa
JXUF1 30 mi43 min 80°F
BKBF1 41 mi43 min SE 9.9 G 16 76°F 81°F
SAXG1 - Sapelo Island Reserve, GA 46 mi73 min SE 7 75°F 1021 hPa (+0.0)72°F
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 54 mi83 min SE 9.7 G 12 75°F 74°F3 ft1021 hPa (+0.0)72°F

Wind History for Fernandina Beach, FL
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SE9
G14
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SE3
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G21
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Shelby Municipal Airport, NC14 mi18 minN 010.00 miFair73°F72°F99%1021.3 hPa
Gastonia Municipal Airport, NC20 mi19 minSSW 47.00 miFair75°F66°F76%1020.5 hPa
Rock Hill, Rock Hill - York County Airport, SC23 mi19 minS 910.00 miFair75°F66°F76%1020.2 hPa

Wind History from FHB (wind in knots)
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Last 24hrSE11
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1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmE4SE6SE8SE12SE15SE16
G20
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G22
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G19
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2 days agoS9
G14
S7S7S3CalmCalmS6S6S6S5S8S8SE11SE12SE15
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S9S3

Tide / Current Tables for Seacamp Dock, Cumberland Island, Georgia
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Seacamp Dock
Click for Map
Sat -- 05:53 AM EDT     -0.52 feet Low Tide
Sat -- 06:43 AM EDT     Sunrise
Sat -- 09:38 AM EDT     Moonrise
Sat -- 12:16 PM EDT     7.06 feet High Tide
Sat -- 06:03 PM EDT     -0.56 feet Low Tide
Sat -- 08:03 PM EDT     Sunset
Sat -- 11:44 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
8.37.65.93.71.5-0-0.50.21.73.55.16.476.85.63.71.70.1-0.601.53.45.36.9

Tide / Current Tables for Chester, Bells River, St. Marys River, Florida
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Chester
Click for Map
Sat -- 12:08 AM EDT     8.24 feet High Tide
Sat -- 05:59 AM EDT     -0.68 feet Low Tide
Sat -- 06:43 AM EDT     Sunrise
Sat -- 09:38 AM EDT     Moonrise
Sat -- 12:37 PM EDT     7.00 feet High Tide
Sat -- 06:09 PM EDT     -0.67 feet Low Tide
Sat -- 08:03 PM EDT     Sunset
Sat -- 11:44 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
8.27.86.34.11.8-0-0.7-0.11.32.94.666.86.964.11.90.2-0.7-0.21.12.94.86.4

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Southeast    EDIT
Geos

Wind Forecast for Jacksonville, FL (23,6,7,8)
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Ground Weather Radar Station Jacksonville, FL
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weather_mapweather_map weather_map

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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.