Wednesday, January17, 2018 L-36.com


Marine Weather and Tides
Micanopy, FL

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 7:23AMSunset 5:56PM Wednesday January 17, 2018 8:35 PM EST (01:35 UTC) Moonrise 7:43AMMoonset 6:36PM 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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GMZ850 Coastal Waters From Tarpon Springs To Suwannee River Fl Out 20 Nm- 813 Pm Est Wed Jan 17 2018
.small craft advisory in effect until 6 am est Thursday...
Rest of tonight..North winds 20 to 25 knots diminishing to around 20 knots toward morning. Seas 4 to 6 feet. Bay and inland waters choppy to rough.
Thursday..North winds 15 to 20 knots diminishing to around 10 knots. Seas 3 to 5 feet subsiding to 2 to 4 feet. Bay and inland waters a moderate chop.
Thursday night..Northeast winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Friday..Northeast winds around 10 knots then becoming northwest around 5 knots in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop.
Friday night..North winds around 5 knots then becoming northeast around 10 knots in the late evening and overnight. Seas 2 feet or less. Bay and inland waters a light chop.
Saturday..East winds around 10 knots then becoming northeast around 5 knots early in the afternoon, then becoming north late in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop.
Saturday night..Northeast winds around 10 knots then becoming east after midnight. Seas 2 feet or less. Bay and inland waters a light chop.
Sunday..East winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop.
Sunday night..East winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. A slight chance of showers.
Monday..South winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. A slight chance of showers.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 813 Pm Est Wed Jan 17 2018
Synopsis.. A strong cold front has exited the forecast waters this evening. Advisory level northerly wind and rough seas are ongoing across the eastern gulf of mexico and will continue into Thursday morning. High pressure building just to our north later Thursday will result in a period of lighter winds and calmer seas by Friday...lasting into at least the first half of the upcoming weekend.

7 Day Forecast for Marine Location Near Micanopy, FL
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location: 29.53, -82.3     debug


Area Discussion for - Jacksonville, FL
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Fxus62 kjax 172012
afdjax
area forecast discussion
national weather service jacksonville fl
312 pm est Wed jan 17 2018

Near term (today and tonight) afternoon surface analysis
shows frontal system stretching through central florida from tampa
to daytona beach. With and behind the frontal passage, gusty
northwesterly winds between 20 to 25 mph have kept apparent
temperatures on the chilly side, especially across portions of
southeast georgia where wind chills are already around the
freezing mark. Although winds will gradually decrease to around 10
mph, the cooling trend will continue across all zones throughout
the evening hours and into the overnight with temperatures
reaching the lower to mid 20s across SE georgia and suwannee
valley and mid to upper 20s along the coast. Kept some areas a
couple of degrees above guidance due to the cooling primarily
being associated with cold air advection. Guidance has shown in
past events to be too cold for this type of scenario. Surface high
pressure sliding into the lower mississippi valley will build
overhead through the near term. As a result, once clouds clear the
area this evening, clear skies will dominate the overnight and
into the day on Friday. Temperatures, 10-20 degrees below average,
will be felt tomorrow with only southern areas reaching the lower
50s. With the forecast temperatures, have opted for a wind chill
advisory and hard freeze warning until 9 am Friday morning.

Short term (Friday through Sunday)
Friday morning will be another cold one across the region -
starting out in the mid 20s to the low 30s near the coast with
surface high pressure centered near the florida panhandle. Surface
high will weaken slightly as it slides eastward across northeast
florida during the day. Heights will rise slightly as ridging starts
to build over the caribbean. A weak shortwave trough will move
through the gulf states through the weekend, though timing and
strength differ between solutions. This feature should do little
to affect sensible weather across the area through the end of the
weekend. High temperatures will rebound to about 10 degrees warmer
than Thursday with mid 50s to low 60s expected. Warming trend
continues into Saturday with near normal (low to mid 60s)
temperatures expected. Sunday should be warm and mostly sunny with
temperatures in the mid 60s to low 70s.

Long term (Monday through Wednesday)
Heights begin falling on Monday as a large upper level low
strengthens and moves into the central plains. At the surface, a
weak coastal trough could bring a chance for scattered showers
along the coast on Monday as onshore flow develops ahead of the
approaching frontal system. Surface low pressure will deepen
rapidly across the great lakes on Monday and Tuesday, sending a
cold front through the southeast sometime Tuesday.

Aviation
MVFR will persist until 21z for most TAF sites until ceilings
clear toVFR for the remainder of the evening and overnight.

Periodic gusty northwesterly winds around 12-17 knots are
possible until the evening hours as winds settle to around 10
knots. With surface high pressure building in,VFR conditions will
persist through the day on Friday with winds around 10 knots
shifting to from the north.

Marine
A dry cold front is currently moving through the coastal waters.

With surface high pressure moving into the lower mississippi
valley, a locally tight pressure gradient is producing blustery
northwesterly winds resulting in building seas. High pressure
will continue building southeastward and will be centered over our
waters on Friday, with winds and seas gradually decreasing. High
pressure will then gradually shift eastward into the atlantic
waters this weekend to the east over the weekend, with a cold
front moving eastward across our region by Monday night.

Rip currents: moderate risk into Thursday

Preliminary point temps pops
Amg 20 47 28 55 0 0 0 0
ssi 30 47 31 53 0 0 0 0
jax 25 49 29 56 0 0 0 0
sgj 28 49 33 56 0 0 0 0
gnv 22 49 28 57 0 0 0 0
ocf 26 50 30 60 0 0 0 0

Jax watches warnings advisories
Fl... Hard freeze warning from midnight tonight to 9 am est Thursday
for alachua-baker-bradford-clay-coastal duval-coastal
nassau-columbia-flagler-gilchrist-hamilton-inland duval-
inland nassau-marion-putnam-st. Johns-suwannee-union.

Wind chill advisory from 9 pm this evening to 9 am est Thursday
for alachua-baker-bradford-clay-coastal duval-coastal
nassau-columbia-flagler-gilchrist-hamilton-inland duval-
inland nassau-marion-putnam-st. Johns-suwannee-union.

Ga... Hard freeze warning from midnight tonight to 9 am est Thursday
for appling-atkinson-bacon-brantley-charlton-clinch-coastal
camden-coastal glynn-coffee-echols-inland camden-inland
glynn-jeff davis-pierce-ware-wayne.

Wind chill advisory from 9 pm this evening to 9 am est Thursday
for appling-atkinson-bacon-brantley-charlton-clinch-coastal
camden-coastal glynn-coffee-echols-inland camden-inland
glynn-jeff davis-pierce-ware-wayne.

Am... Small craft advisory until 4 pm est Thursday 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 from 9 pm this evening to 10 am est
Thursday 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.

Mcginnis elsenheimer nelson corless


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RCYF1 44 mi48 min 54°F
CDRF1 - Cedar Key, FL 47 mi96 min NNW 8.9 G 13 43°F 1027.2 hPa (+1.7)27°F
GTXF1 - Guana Tolomato Matanzas Reserve, FL 57 mi111 min NW 5.1 47°F 1027 hPa37°F
SAUF1 - St. Augustine, FL 59 mi36 min NW 14 G 18 42°F 51°F1026.1 hPa (+2.2)

Wind History for Cedar Key, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Gainesville, Gainesville Regional Airport, FL10 mi43 minNW 910.00 miFair37°F21°F52%1028 hPa

Wind History from GNV (wind in knots)
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Last 24hrE3CalmCalmCalmCalmCalmCalmCalmCalmCalmNW3NW4NW5N6NW13NW8NW7
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W9NW11NW8NW9
1 day agoNE4NE3E4CalmCalmCalmCalmN4N3N3N3N3NE6NE6NE6NE736--E6E3CalmCalmCalm
2 days agoNE7NE4N3NW5N6N7N6N4N5N6N6N5N6NE9NE10NE9
G17
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Tide / Current Tables for Buffalo Bluff, St. Johns River, Florida
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Buffalo Bluff
Click for Map
Wed -- 03:47 AM EST     0.83 feet High Tide
Wed -- 07:22 AM EST     Sunrise
Wed -- 07:39 AM EST     Moonrise
Wed -- 10:33 AM EST     -0.11 feet Low Tide
Wed -- 04:18 PM EST     0.89 feet High Tide
Wed -- 05:51 PM EST     Sunset
Wed -- 06:33 PM EST     Moonset
Wed -- 11:25 PM EST     -0.15 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.10.50.70.80.80.70.40.1-0-0.1-0.1-0.100.40.70.80.90.90.70.40.20-0.1-0.1

Tide / Current Tables for Welaka, St. Johns River, Florida
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Welaka
Click for Map
Wed -- 03:15 AM EST     0.43 feet High Tide
Wed -- 07:21 AM EST     Sunrise
Wed -- 07:39 AM EST     Moonrise
Wed -- 08:47 AM EST     0.02 feet Low Tide
Wed -- 10:32 AM EST     0.07 feet High Tide
Wed -- 11:50 AM EST     0.05 feet Low Tide
Wed -- 03:43 PM EST     0.48 feet High Tide
Wed -- 05:51 PM EST     Sunset
Wed -- 06:34 PM EST     Moonset
Wed -- 09:16 PM EST     0.06 feet Low Tide
Wed -- 10:50 PM EST     0.10 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.10.20.30.40.40.40.30.20.100.10.100.10.30.40.50.40.40.30.10.10.10.1

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 (20,4,5,8)
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Ground Weather Radar Station Jacksonville, FL
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weather_mapweather_map weather_map

Gulf Stream Current


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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.