Friday, January19, 2018 L-36.com


Marine Weather and Tides
Darien, GA

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
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.

Sunrise 7:22AMSunset 5:51PM Friday January 19, 2018 6:28 PM EST (23:28 UTC) Moonrise 9:02AMMoonset 8:17PM Illumination 10% Phase: Waxing Crescent; Moon at 3 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- 250 Pm Est Fri Jan 19 2018
Tonight..Southwest winds 5 to 10 knots becoming northwest in the early morning. Seas 2 to 4 feet. Dominant period 10 seconds. Inland waters smooth.
Saturday..North winds 5 to 10 knots becoming east in the late afternoon. Seas 2 to 3 feet. Dominant period 9 seconds. Inland waters a light chop.
Saturday night..East southeast winds 5 to 10 knots becoming north late in the evening. Seas 2 to 3 feet. Dominant period 9 seconds. Inland waters a light chop.
Sunday..Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 9 seconds. Inland waters a light chop.
Sunday night..East winds 5 to 10 knots. Seas 2 to 3 feet. Inland waters a light chop.
Monday..Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Inland waters a light chop.
Monday night..South southwest winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a moderate chop.
Tuesday..West winds 10 to 15 knots becoming northwest in the afternoon. Seas 2 to 3 feet. Inland waters a moderate chop.
Tuesday night..North northwest winds 10 to 15 knots. Seas 2 to 3 feet. Inland waters a moderate chop.
Wednesday..North northeast winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a moderate chop.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 250 Pm Est Fri Jan 19 2018
Synopsis.. High pressure centered across the southeast u.s. Will slowly move east to northeast through Sunday. Increased onshore winds are expected Sunday through Monday ahead of a developing frontal system that will move through the waters on Tuesday.

7 Day Forecast for Marine Location Near Darien, GA
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location: 31.32, -81.36     debug


Area Discussion for - Charleston, SC
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Fxus62 kchs 192023
afdchs
area forecast discussion
national weather service charleston sc
323 pm est Fri jan 19 2018

Synopsis
High pressure will prevail through the weekend. A cold front
will move through the region Monday night into Tuesday morning,
followed by more high pressure through the middle of next week.

Near term until 6 am Saturday morning
High pressure will prevail with just a few high clouds possible.

Winds will generally be lightest across georgia closer to the
center of the high. Lows should fall to near 30 degrees for
most inland areas, several degrees colder than normal.

Short term 6 am Saturday morning through Monday
Saturday: ridging aloft will persist with the surface ridge axis
extending along 30n. A slow moving mid level cut-off low across the
lower gulf coast region will open up and reach the northwest gulf of
mexico Saturday night. An increasing 250 mb jet across the gulf and
florida should result in an increase in upper level cloudiness
across our region. At this time, most of these clouds look to be
fairly thin and most prevalent over south ga. Highs will continue to
warm with downsloping flow in the boundary layer, MAX readings in
the 64-68 degree range seem plausible. Dry weather will continue
Saturday night with moderating overnight temps in the 35-39 degree
range at most areas.

Sunday: the mid upper level low across northern florida and far
south ga will continue to weaken and move offshore late. High
pressure will linger at the surface while forecast soundings
show a very dry atmosphere below 10 kft across the forecast area.

We will not have the downslope in the lower levels on Sunday but
temps should still be at least in the mid 60s most locations.

Ridging aloft continues Sunday night with milder temps ranging
from the upper 30s inland far north to the mid 40s across southeast
ga.

Monday: a deep and stacked low pressure system will be moving
through the upper plains states. A band of pre-frontal moisture and
convective rains is forecast to extend south across the lower gulf
coast states. Ridging over our region will move well offshore while
a weak coastal trough lifts north as the flow veers southeast to
south through Monday night. Isentropic ascent will increase over
the region with much of the forecast area likely to be between
showers approaching from the west and near-coastal light showers
closer to the ocean. For most, rain chances will be after sunset.

It should be a warm day with highs ranging from the upper 60s far
north to the mid 70s over inland southeast ga. We did not alter
Monday night pops in the mid to high chance category. The better
upper forcing looks to remain to our north and 850-500 mb moisture
fields were also tending to shred out as showers reach our area.

Building low level dew points may also result in at least some
patchy coastal stratus fog ahead of the cold front Monday night.

Long term Monday night through Friday
The cold front will move through the region Monday night into
Tuesday morning, bringing a brief bout of rain. High pressure will
quickly build in behind the front Tuesday afternoon, bringing dry
conditions. The high will prevail into Wednesday. Models start to
diverge on Thursday, but the general consensus points towards a low
rainfall risk.

Aviation 20z Friday through Wednesday
Vfr through the 18z TAF period.

Extended aviation outlook: flight restrictions are possible with a
cold front Monday night into Tuesday morning. There may be some
low stratus Monday night resulting in potential ifr conditions, but
confidence at this point remains low.

Marine
Tonight: southwest winds will once again veer to the west
overnight. Speeds will be 15 kt or less with seas 1-3 ft,
highest near the gulf stream.

Saturday through Tuesday: tranquil conditions will prevail through
the weekend as high pressure hovers over the region. Directions will
be variable at times with speeds below 10 kt and seas averaging 2 ft
or less.

A cold front will move through the region Monday night into Tuesday
morning, bringing a brief increase in winds seas. With the shelf
waters quite chilly, we do expect substantial mixing of a decent
low level jet and maintained sustained winds no higher than 15 kt
near shore waters ahead of the front. High pressure will build
behind the front later Tuesday with the flow going offshore.

Equipment
The kclx radar is out of service until further notice. Repairs
are ongoing. Adjacent radars include: kltx, kcae, kjgx, kvax and
kjax.

The downtown charleston observation site (chls1 kcxm) remains
out of service until further notice.

Chs watches warnings advisories
Ga... None.

Sc... None.

Marine... None.

Near term... Rjb
short term...

long term...

aviation... Rjb
marine... Rjb
equipment...



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SAXG1 - Sapelo Island Reserve, GA 8 mi89 min SSE 4.1 55°F 1024 hPa (-1.0)35°F
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 27 mi39 min SSW 7.8 G 7.8 50°F 51°F2 ft1024.5 hPa (-0.5)34°F
41112 - Offshore Fernandina Beach, FL (132) 42 mi59 min 49°F2 ft
FRDF1 - 8720030 - Fernandina Beach, FL 45 mi41 min 48°F1025.4 hPa

Wind History for Fernandina Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Brunswick / Glynco, GA7 mi34 minN 010.00 miFair52°F23°F32%1024.7 hPa
Brunswick, Malcolm McKinnon Airport, GA12 mi36 minN 010.00 miFair48°F30°F52%1024.6 hPa

Wind History from BQK (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmSW3CalmCalmCalmCalmCalmCalmCalmW4SW3SW6W7W6SW5SW5W5W4Calm
1 day agoW10
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NW6W7W6W6W6W6W7NW6NW6NW5NW4N6NW9NW9NW4NW5NW7NW3NW5Calm
2 days agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmW4CalmNW4N6NW9NW11
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Tide / Current Tables for Jones Creek entrance, Hampton River, Georgia
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Jones Creek entrance
Click for Map
Fri -- 03:24 AM EST     -0.17 feet Low Tide
Fri -- 07:23 AM EST     Sunrise
Fri -- 09:01 AM EST     Moonrise
Fri -- 10:24 AM EST     7.42 feet High Tide
Fri -- 04:00 PM EST     -0.10 feet Low Tide
Fri -- 05:48 PM EST     Sunset
Fri -- 08:17 PM EST     Moonset
Fri -- 10:35 PM EST     6.65 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.72.91.1-0.1-00.92.54.25.76.87.47.26.24.52.40.7-0.10.31.63.24.75.96.56.6

Tide / Current Tables for Old Tower, Sapelo Island, Georgia
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Old Tower
Click for Map
Fri -- 03:28 AM EST     -0.09 feet Low Tide
Fri -- 07:23 AM EST     Sunrise
Fri -- 09:01 AM EST     Moonrise
Fri -- 09:37 AM EST     7.01 feet High Tide
Fri -- 04:04 PM EST     -0.11 feet Low Tide
Fri -- 05:48 PM EST     Sunset
Fri -- 08:17 PM EST     Moonset
Fri -- 09:47 PM EST     6.33 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.92.30.900.11.12.94.76.16.976.45.23.61.90.5-0.10.41.83.65.16.16.35.8

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 (18,4,5,8)
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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.