Sunday, April22, 2018 L-36.com


Marine Weather and Tides
Nicholls, GA

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
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.

Sunrise 6:55AMSunset 8:09PM Sunday April 22, 2018 2:55 AM EDT (06:55 UTC) Moonrise 11:46AMMoonset 1:00AM Illumination 44% Phase: First Quarter Moon; Moon at 7 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- 915 Pm Edt Sat Apr 21 2018
.small craft advisory in effect through Monday afternoon...
Rest of tonight..East winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 7 seconds. Inland waters choppy. A slight chance of showers after midnight.
Sunday..East winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 7 seconds. Inland waters choppy. A chance of showers in the morning, then showers likely and a slight chance of Thunderstorms in the afternoon.
Sunday night..Southeast winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 7 seconds. Inland waters choppy. Showers likely and a slight chance of Thunderstorms.
Monday..South southeast winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 8 seconds. Inland waters choppy. Showers likely and a chance of Thunderstorms.
Monday night..South winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Inland waters choppy. A chance of showers and a slight chance of Thunderstorms.
Tuesday..South southwest winds 10 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Inland waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Tuesday night..West southwest winds 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Inland waters a moderate chop.
Wednesday..West southwest winds 10 knots. Seas 2 to 4 feet. Inland waters a light chop.
Wednesday night..West winds 15 knots. Seas 2 to 4 feet. Inland waters a moderate chop.
Thursday..West southwest winds 5 to 10 knots, becoming south southwest in the afternoon. Seas 2 to 4 feet. Inland waters mostly smooth. A chance of showers and a slight chance of Thunderstorms.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 915 Pm Edt Sat Apr 21 2018
Synopsis.. Strong high pressure centered near the north carolina outer banks will only slowly move northward through Monday night, keeping strong onshore winds in place over our waters. Meanwhile, low pressure currently centered near the red river valley in northern texas will progress slowly northeastward into the tennessee valley by Sunday night and early Monday, with a warm front lifting northward from the florida peninsula on Sunday night and Monday accompanied by numerous showers and Thunderstorms. Another low pressure center will develop along a cold front over southeast georgia on Monday afternoon and will lift northeastward along the southeastern seaboard. The cold front will cross our waters on Tuesday morning. Offshore winds will prevail following this frontal passage.

7 Day Forecast for Marine Location Near Nicholls, GA
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location: 31.54, -82.71     debug


Area Discussion for - Jacksonville, FL
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Fxus62 kjax 220224
afdjax
area forecast discussion
national weather service jacksonville fl
1024 pm edt Sat apr 21 2018

Showers and a few thunderstorms increase from south to north on
Sunday afternoon...

Strong onshore winds expected along the northeast florida
coast on Sunday...

Update
Late evening surface analysis depicts strong high pressure (1031
millibars) centered near the north carolina outer banks.

Meanwhile, weak low pressure (1008 millibars) was moving
northeastward towards the ARKLATEX region, with a stationary
frontal boundary extending east-southeastward from this low across
the gulf of mexico and south florida. Aloft... A deep mid upper low
over the southern plains states was spinning slowly southeastward.

Zonal flow prevails downstream of this feature over our region.

Abundant low and mid level cloudiness blankets our region, but
shower activity remains displaced well to the south and west of
our region currently. Isentropic lift may begin to strengthen
overnight from southwest to northeast, with short-term, high
resolution models bringing a few showers into our western georgia
counties and north central florida towards sunrise. Otherwise, we
lowered pops for the overnight period, but a few sprinkles will be
possible at times beneath the overcast skies. Breezy onshore winds
will continue along the st. Johns and flagler coasts overnight,
and coastal lows will only fall to the mid and upper 60s. Abundant
cloud cover and lighter east-northeast winds will keep inland lows
generally around 60.

The warm front will slowly lift northward into central florida on
Sunday afternoon, with showers and a few embedded thunderstorms
increasing in coverage by the early afternoon hours over north
central florida. This activity will then progress northeastward
into northeast florida by the late afternoon or early evening
hours, with an increase in activity also expected across inland
southeast georgia by late afternoon. Our local pressure gradient
will tighten a little more after sunrise, with easterly winds of
20-25 mph expected along coastal northeast florida by early
afternoon and breezy conditions developing inland. Inland highs
will climb into the mid and upper 70s before rainfall coverage
increases late in the day, with strong onshore winds keeping
highs closer to 70 over coastal southeast georgia and the lower
70s for coastal northeast florida.

Aviation
Occasional MVFR ceilings around 2500 feet will be possible
overnight. Otherwise,VFR conditions will prevail at the regional
terminals, with more consistent ceilings of 3500-4000 feet
expected. A few sprinkles will be possible overnight, but
significant rainfall is not expected to develop until around 16z
at gnv and likely after 18z at the rest of the regional terminals.

MVFR ceilings will likely develop after 13z, with occasional ifr
conditions possible after 18z as rainfall overspreads our region
from south to north. Easterly surface winds will remain sustained
near 15 knots at sgj overnight and around 10 knots elsewhere.

Easterly surface winds will then increase to 15-20 knots at sgj
towards 13z and near 15 knots elsewhere, with frequent gusts of
20-25 knots expected during the afternoon hours.

Marine
Strong high pressure centered over the outer banks will only
slowly lift northward early this week, keeping strong onshore
winds in place over our waters. Easterly winds will remain in the
15-20 knot range overnight both near shore and offshore, but will
strengthen to 20-25 knots offshore on Sunday. Seas both near shore
and offshore will remain in the 5-7 foot range overnight, with
seas offshore building to 6-8 feet offshore on Sunday.

Meanwhile, low pressure over northeastern texas will slowly
progress northeastward on Sunday and Sunday night, reaching the
tennessee valley by early Monday. This weather pattern will lift a
warm front northward from the florida peninsula late on Sunday
that will reach area waters by early Monday. Showers and a few
embedded thunderstorms will overspread our waters by Sunday
evening. Small craft advisory conditions will continue on the near
shore and offshore waters on Sunday night and Monday, with
occasional gale force gusts possible offshore. Another low
pressure center will develop along a cold front over southeast
georgia by late Monday, with this low progressing northeastward
along the southeastern u.S. Seaboard through Tuesday evening,
reaching the mid-atlantic states by midweek. The cold front will
cross our local waters on Tuesday morning, with offshore winds
developing following this frontal passage. Winds and seas will
fall back to caution levels near shore on Monday night, with sca
level seas persisting offshore through Tuesday.

Rip currents: a high risk of rip currents is expected to continue
through Monday at area beaches.

Preliminary point temps pops
Amg 60 73 62 75 10 40 80 80
ssi 65 69 66 72 10 40 80 80
jax 63 73 65 79 10 50 70 70
sgj 68 73 67 77 20 60 70 70
gnv 63 78 64 79 20 50 60 60
ocf 66 79 65 80 20 60 60 60

Jax watches warnings advisories
Fl... None.

Ga... None.

Am... Small craft advisory until 5 am edt Tuesday for waters from
altamaha sound ga to fernandina beach fl from 20 to 60 nm-
waters from fernandina beach to st. Augustine fl from 20 to
60 nm-waters from st. Augustine to flagler beach fl from 20
to 60 nm.

Small craft advisory until 4 pm edt Monday for 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.

Nelson enyedi corless


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SAXG1 - Sapelo Island Reserve, GA 75 mi56 min NE 1.9 63°F 1024 hPa (-1.0)63°F
FRDF1 - 8720030 - Fernandina Beach, FL 89 mi38 min E 8 G 15 68°F 66°F1023.5 hPa
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 98 mi66 min ESE 14 G 16 67°F 65°F4 ft1023.7 hPa (-1.1)60°F

Wind History for Fernandina Beach, FL
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N6
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W6
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Douglas, Douglas Municipal Airport, GA9 mi81 minE 610.00 miOvercast63°F55°F77%1024.4 hPa
Alma, Bacon County Airport, GA11 mi63 minE 410.00 miMostly Cloudy62°F57°F84%1023.4 hPa

Wind History from DQH (wind in knots)
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Last 24hrE3NE5NE5NE7NE8E9E11
G15
NE9E9E7E7NE9E8E8E8E7
G16
E8E7E5E6E6E7E5E6
1 day agoN7N6NE7NE7NE8NE16
G21
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NE13NE12
G15
NE7NE8E7E6SE4NE10E6NE6NE5E3E3E4E5NE4E4
2 days agoW10
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W8SW7SW8SW9W9W14W11
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G25
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W6NW3NW4N5N6N9N10N6

Tide / Current Tables for Burnt Fort, Satilla River, Georgia
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Burnt Fort
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Sun -- 01:00 AM EDT     0.07 feet Low Tide
Sun -- 01:55 AM EDT     Moonset
Sun -- 06:28 AM EDT     3.62 feet High Tide
Sun -- 06:52 AM EDT     Sunrise
Sun -- 12:44 PM EDT     Moonrise
Sun -- 01:51 PM EDT     0.16 feet Low Tide
Sun -- 05:46 PM EDT     First Quarter
Sun -- 07:01 PM EDT     3.14 feet High Tide
Sun -- 08:00 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.20.10.41.32.23.13.63.63.32.721.30.70.30.20.61.32.22.93.132.621.4

Tide / Current Tables for Below Spring Bluff, Little Satilla River, Georgia
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Below Spring Bluff
Click for Map
Sun -- 01:54 AM EDT     Moonset
Sun -- 03:42 AM EDT     8.40 feet High Tide
Sun -- 06:50 AM EDT     Sunrise
Sun -- 10:17 AM EDT     0.37 feet Low Tide
Sun -- 12:42 PM EDT     Moonrise
Sun -- 04:15 PM EDT     7.28 feet High Tide
Sun -- 05:46 PM EDT     First Quarter
Sun -- 07:59 PM EDT     Sunset
Sun -- 10:32 PM EDT     0.34 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.45.47.18.28.47.76.34.42.61.20.40.71.93.55.26.67.27.16.14.52.91.40.50.5

Weather Map and Satellite Images
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wmap_A
GOES 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 Jacksonville, FL (2,6,7,8)
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Ground Weather Radar Station Moody AFB, GA
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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.