Sunday, March26, 2017 L-36.com


Marine Weather and Tides
Riceboro, GA

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 7:19AMSunset 7:43PM Sunday March 26, 2017 4:46 PM EDT (20:46 UTC) Moonrise 5:29AMMoonset 5:22PM Illumination 1% Phase: New Moon; Moon at 29 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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AMZ354 Waters From Savannah Ga To Altamaha Sound Ga Out 20 Nm...including Grays Reef National Marine Sanctuary- 306 Pm Edt Sun Mar 26 2017
Tonight..SE winds 5 to 10 kt. Seas 2 to 4 ft.
Mon..SE winds 5 to 10 kt. Seas 3 to 4 ft.
Mon night..S winds 5 to 10 kt. Seas 3 to 4 ft. A slight chance of showers after midnight.
Tue..S winds 5 to 10 kt. Seas 3 to 4 ft.
Tue night..S winds 10 to 15 kt...becoming sw 5 to 10 kt after midnight. Seas 3 to 4 ft.
Wed..W winds 5 to 10 kt...becoming S in the afternoon. Seas 2 to 3 ft.
Wed night..S winds 5 to 10 kt. Seas 2 ft.
Thu..SE winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms.
Thu night..SE winds 10 to 15 kt. Seas 4 to 5 ft. A slight chance of showers and tstms.
Fri..S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers and tstms.
Fri night..S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers with a slight chance of tstms. Mariners are reminded that winds and seas can be higher in and near tstms.
AMZ300 306 Pm Edt Sun Mar 26 2017
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. Atlantic high pressure will weaken early this week. A weak cold front will stall over the area during the middle of the week, then shift back north as a warm front Friday. Another cold front should move through Saturday or Saturday night followed by drier high pressure Sunday.

7 Day Forecast for Marine Location Near Riceboro, GA
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location: 31.54, -81.26     debug


Area Discussion for - Charleston, SC
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Fxus62 kchs 261626 cca
afdchs
area forecast discussion... Corrected
national weather service charleston sc
1226 pm edt Sun mar 26 2017

Synopsis
Atlantic high pressure will weaken early this week. A
weak cold front will stall over the area during the middle of the
week, then shift back north as a warm front Friday. Another cold
front should move through Saturday or Saturday night followed by
drier high pressure Sunday.

Near term /until 6 pm this evening/
Atlantic high pressure will maintain its influence on the region
today. Earlier shower activity associated with a dampening
shortwave has dissipated, but some light sprinkles have recently
developed along i-95 from savannah south to darien along the sea
breeze. Satellite presentation of this activity is already
starting to degrade so suspect broad subsidence aloft is taking
its toll. While a sprinkle or two can not be completely ruled out
along the sea breeze this afternoon, mentionable pops are not
justified at this time. Adjustments were made to sky cover and
winds, but none were significant for the early afternoon update.

Short term /6 pm this evening through Wednesday/
Tonight: the axis of a weak sfc ridge will pivot west over the
ga/sc coast. The sfc pattern will support light SE onshore flow
across the forecast area through the night. At the mid levels,
heights should slowly increase in the wake of the shallow s/w. I
will keep pops limited to the single digits. Low temperatures
are forecast to range in the upper 50s to around 60.

Monday through Wednesday: atlantic high pressure will weaken
through the period, especially by Wednesday when a weak cold
front is expected to push offshore around the mid-atlantic but
struggle to move all the way through southeast ga. Expect a
decent chance of showers and thunderstorms Monday and Tuesday
when instability will be greatest and the sea breeze and upper
shortwave energy will be present. However, no appreciable
rainfall and/or severe weather is anticipated at this time.

Temperatures should push into the lower to mid 80s inland each
afternoon, likely warmest across interior southeast ga. Wouldn't
be surprised if upper 80s occurred Wednesday, mainly interior
ga, due to compressional heating with the front and offshore
winds. Onshore winds will keep beach areas much cooler, mainly
in the 60s.

Long term /Wednesday night through Saturday/
The stalled front should shift north as a warm front Friday followed
by a cold frontal passage Saturday or Saturday night. Drier high
pressure should then return later in the weekend. Showers and
thunderstorms will be possible, mainly Thursday through Friday
night, with temperatures running above normal through at least
Saturday.

Aviation /16z Sunday through Thursday/
Vfr. Might see some shallow ground fog at both terminals just
before sunrise, but no impacts are anticipated.

Extended aviation outlook: mainlyVFR. Brief restrictions possible
in any showers/thunderstorms, mainly mon/tue/thu/fri. Low
probability of restrictions due to early morning low clouds and/or
fog.

Marine
Today: increased seas by a foot given latest marine observations
and latest nwps and ww3 output. Seas will continue 2-4 ft
nearshore and 4-5 ft offshore.

Monday through Friday: no significant concerns with atlantic high
pressure generally in control until a weakening cold front moves
into the area Wednesday. The front will transition into a warm front
as it moves back north Friday. Seas could reach 6 feet near the gulf
stream through Tuesday due to swells from low pressure well
offshore. Advisories will be possible across the outer ga waters
through Tuesday and then for more of the area Thursday night/Friday
as strengthening southerly winds build seas to 6 feet again.

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
SAXG1 - Sapelo Island Reserve, GA 9 mi46 min SE 8.9 76°F 1021 hPa (-1.0)63°F
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 23 mi56 min ESE 7.8 G 7.8 65°F 65°F4 ft1020.9 hPa (-1.5)61°F
FPKG1 - 8670870 - Fort Pulaski, GA 39 mi46 min S 8 G 12 72°F 63°F1021 hPa (-1.8)

Wind History for Fort Pulaski, GA
(wind in knots)    EDIT      (on/off)   Help
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NE19
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Brunswick / Glynco, GA22 mi51 minESE 9 G 1510.00 miFair77°F62°F61%1020.7 hPa

Wind History from BQK (wind in knots)
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Last 24hrSE9SE9SE7E6E5SE3E3SE4SE5SE5CalmCalmCalmCalmCalmCalmSE6S6S7E7S12
G15
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1 day agoE9E10NE8NE4NE3CalmCalmCalmCalmCalmCalmSE3SE5SE4SE4CalmCalmCalmSE8E10
G16
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2 days agoNE18
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NE7NE7NE3NE3NE3CalmCalmN3CalmCalmNE3E10
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G18
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SE9
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SE13
G18

Tide / Current Tables for Dog Hammock, Sapelo River, Georgia
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Dog Hammock
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Sun -- 01:48 AM EDT     -0.23 feet Low Tide
Sun -- 06:29 AM EDT     Moonrise
Sun -- 07:20 AM EDT     Sunrise
Sun -- 08:09 AM EDT     7.80 feet High Tide
Sun -- 02:17 PM EDT     -0.42 feet Low Tide
Sun -- 06:21 PM EDT     Moonset
Sun -- 07:40 PM EDT     Sunset
Sun -- 08:24 PM EDT     8.02 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.50.2-0.20.62.24.15.97.27.87.46.34.52.50.7-0.4-0.11.33.35.47.17.97.86.85

Tide / Current Tables for Harris Neck, Barbour Island River, Georgia
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Harris Neck
Click for Map
Sun -- 01:59 AM EDT     -0.21 feet Low Tide
Sun -- 06:29 AM EDT     Moonrise
Sun -- 07:20 AM EDT     Sunrise
Sun -- 08:30 AM EDT     8.04 feet High Tide
Sun -- 02:30 PM EDT     -0.49 feet Low Tide
Sun -- 06:21 PM EDT     Moonset
Sun -- 07:40 PM EDT     Sunset
Sun -- 08:44 PM EDT     8.23 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
20.4-0.20.31.83.75.67.17.97.975.33.11.1-0.3-0.30.82.856.888.27.45.7

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 Charleston, SC (16,3,4,5)
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Ground Weather Radar Station Charleston, SC
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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.