Wednesday, February21, 2018 L-36.com


Marine Weather and Tides
Gainesville, 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 7:00AMSunset 6:24PM Wednesday February 21, 2018 7:57 PM EST (00:57 UTC) Moonrise 10:43AMMoonset 12:00AM Illumination 42% 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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AMZ454 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- 149 Pm Est Wed Feb 21 2018
Tonight..East southeast winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 7 seconds. Inland waters a light chop. Patchy fog in the evening. Areas of dense fog after midnight.
Thursday..East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 8 seconds. Inland waters a light chop. Areas of dense fog in the morning.
Thursday night..East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 8 seconds. Inland waters a light chop. A chance of showers after midnight.
Friday..East southeast winds 5 to 10 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 9 seconds. Inland waters a light chop. A slight chance of showers in the morning.
Friday night and Saturday..South southeast winds 5 to 10 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Inland waters mostly smooth.
Saturday night and Sunday..South winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a moderate chop.
Sunday night..South winds 10 to 15 knots becoming west southwest 5 to 10 knots after midnight. Seas 2 to 4 feet. Inland waters a light chop. A slight chance of showers.
Monday..Southwest winds around 5 knots becoming south southeast in the afternoon. Seas 2 to 4 feet. Inland waters smooth. Showers likely.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 149 Pm Est Wed Feb 21 2018
Synopsis.. High pressure ridge will be centered to the northeast of the waters this week, then to the east into the weekend. A front is forecast to approach from the northwest late in the weekend, as the high moves more to the southeast.

7 Day Forecast for Marine Location Near Gainesville, FL
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location: 29.71, -82.3     debug


Area Discussion for - Jacksonville, FL
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Fxus62 kjax 211942
afdjax
area forecast discussion
national weather service jacksonville fl
242 pm est Wed feb 21 2018

Near record all-time high MAX temps and high min temps...

Dense fog possible late tonight early Thursday...

Near term tonight-Thursday
Rest of this afternoon... Near all-time MAX temps into the 80s for
the date and the month will continue to be possible at inland
locations in the warm sely flow. A slight chance of a shower is
also possible across SE ga otherwise the diurnal CU field will
fade around sunset.

Tonight... WRN atlc high pressure ridge axis will extend across srn
ga while steering flow will remain out of the SE while sfc flow
will become more easterly and fade to near calm during the
overnight hours. The unseasonably mild humid airmass will keep
overnight temps well above normal in the lower to middle 60s while
lighter winds tonight will support better chances of dense fog
along the coast from jax northward and along the i-10 corridor and
northward across all of SE ga. Development of the fog will take
place around midnight in the nearshore SE ga coastal waters and
spread inland across most of SE ga during the overnight hours. A
slightly better chance for some light east winds of 2-4 mph
across NE fl will lower dense fog chances but low stratus is
expected towards morning.

Thursday... High pressure ridge remains just north of the waters
and through SRN ga at the surface and aloft and steering flow
becomes a bit more E sely and while near record warmth is expected
over inland areas with highs into the lower to middle 80s, the
coastal areas in the onshore flow may be just a few degrees cooler
in the 70s Thu afternoon as the sea breeze likely kicks in
slightly earlier than today.

Short term (Thursday night through Friday night)
The axis of the deep layer western atlantic ridge shifts south
across N cntl fl which advects in slightly more low level moisture
from the south that could result in a few isolated showers on
Friday. However... Mid levels remain dry and stable and any shower
activity will be short lived. Temps will continue well above norms.

The likelihood of late night and morning fog increases given the
slight increase in low level moisture and dry mid level air.

Long term (Saturday through Wednesday)
The deep layer western atlantic ridge shifts further south as a slow
moving cold front begins to approach the area. Mainly dry and warm
conditions will continue on Saturday with only a few brief daytime
showers possible. Rain chances increase across the far NW ga zones
Sunday afternoon and across most areas (except the far southern fl
zones) on Monday as the slow moving front drops southeast across the
area. The front will be stalled south of the area by Wednesday. Rain
chances decrease across southeast ga tue-wed as cooler and drier air
moves in behind the front there but a moist onshore flow just north
of the front will bring a continued chance of showers across the
eastern portion of NE fl. Temps will continue well above norms
through early next week then fall to near norms across SE ga but
continue slightly above norms across NE fl.

Aviation
Cu field has scattered out along the coast and now has bknVFR
cigs in the 3500-4000 ft range inland. So expect theseVFR conds
to continue into the evening hours, then as winds decrease expect
possible sea fog to develop first and begin to impact the ssi taf
in the 03-06z time frame, then rest of the TAF sites in the 06-09z
time frame with at least ifr conds expected at most TAF sites by
12z, and highest chances of lifr conds at ssi by morning. Slow
improving conds to MVFR expected by 14-15z time frame Thursday.

Marine
With ridge axis setting up just north of the waters expect winds
to become E SE around 10-15 knots and seas will range from 3-6 ft
with scec headlines needed for the higher seas well offshore and
these conds will linger through the week. Other hazards in the
short term will include potential for sea fog development over the
cooler nearshore waters again tonight... Mainly for areas north of
jax across the coolest SE ga coastal waters. For the weekend flow
becomes southerly as high pressure moves further offshore.

Rip currents: moderate risk in the onshore flow.

Climate
Record high maximum temps for feb 21st...

jax 85 1997... Gnv 86 1997... Amg 82 1997... Ssi 82 2011
record high minimum temps for feb 21st...

jax 68 1961... So far today min temp is 67
gnv 66 1997... So far today min temp is 68
amg 63 1997... So far today min temp is 69
if this holds at amg this will set the all-time record high min
temp for the month of february of 68 set on feb 3rd, 2016
ssi 61 1997... So far today min temp is 66
if this holds at ssi this will set the all-time record high min
temp for the month of february of 65 set of feb 23rd, 2012
record high maximum temps for feb 22nd...

jax 85 1962... Gnv 86 2013... Amg 82 2005... Ssi 81 2011
record high minimum temps for feb 22nd...

jax 70 1961... Gnv 67 1961... Amg 65 1962... Ssi 64 2017
all-time record high maximum temps for the month of february...

jax 88 on 02-26-1962
gnv 88 on 02-26-1971
amg 86 on 02-16-1989
ssi 85 on 02-28-1962

Preliminary point temps pops
Amg 63 84 60 82 0 0 10 20
ssi 61 72 60 73 10 10 20 20
jax 62 80 62 79 0 0 20 20
sgj 64 77 63 77 0 10 20 20
gnv 62 84 62 82 0 0 10 20
ocf 62 84 63 83 0 0 10 20

Jax watches warnings advisories
Fl... None.

Ga... None.

Am... None.

Hess peterson corless


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RCYF1 40 mi40 min 73°F
CDRF1 - Cedar Key, FL 55 mi58 min NW 4.1 G 5.1 75°F 1027.1 hPa (+0.7)69°F
SAUF1 - St. Augustine, FL 56 mi58 min E 8 G 8.9 69°F 66°F1029.2 hPa (+0.6)
GTXF1 - Guana Tolomato Matanzas Reserve, FL 57 mi73 min ESE 4.1 71°F 1031 hPa69°F

Wind History for I-295 Bridge, St Johns River, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Gainesville, Gainesville Regional Airport, FL3 mi65 minE 710.00 miFair77°F64°F64%1028.3 hPa
Keystone Airpark, FL16 mi63 minE 610.00 miFair75°F62°F65%1028.4 hPa

Wind History from GNV (wind in knots)
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Last 24hrE11
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1 day agoE8E7E6E7E6E6E6E4E4E7E3CalmCalmE7SE10SE9SE11SE11E10SE6E10E9E6E5
2 days agoE7E7E6E5E3E3E5SE6E4E5E4E4E4NE3SE4SE7SE64SE8SE12
G17
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Tide / Current Tables for Buffalo Bluff, St. Johns River, Florida
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Buffalo Bluff
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Wed -- 12:32 AM EST     -0.24 feet Low Tide
Wed -- 06:38 AM EST     0.94 feet High Tide
Wed -- 07:00 AM EST     Sunrise
Wed -- 10:40 AM EST     Moonrise
Wed -- 01:08 PM EST     -0.12 feet Low Tide
Wed -- 06:20 PM EST     Sunset
Wed -- 07:04 PM EST     0.87 feet High Tide
Wed -- 11:58 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.2-0.2-0.2-0.10.20.50.90.90.80.70.40.1-0.1-0.1-0.1-0.100.30.70.90.80.70.40.1

Tide / Current Tables for Palatka, St. Johns River, Florida
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Palatka
Click for Map
Wed -- 12:04 AM EST     -0.23 feet Low Tide
Wed -- 06:15 AM EST     1.11 feet High Tide
Wed -- 07:00 AM EST     Sunrise
Wed -- 10:40 AM EST     Moonrise
Wed -- 01:03 PM EST     -0.10 feet Low Tide
Wed -- 06:20 PM EST     Sunset
Wed -- 06:39 PM EST     1.03 feet High Tide
Wed -- 11:58 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.2-0.2-0.10.10.50.91.11.110.70.40.1-0.1-0.1-0.1-00.30.7110.90.70.40

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 (19,4,5,8)
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Ground Weather Radar Station Jacksonville, FL
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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.