Monday, August19, 2019 L-36.com


Marine Weather and Tides
Fernandina Beach, FL

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:53AMSunset 8:05PM Monday August 19, 2019 5:27 PM EDT (21:27 UTC) Moonrise 9:40PMMoonset 9:22AM Illumination 82% Phase: Waning Gibbous; Moon at 19 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- 258 Pm Edt Mon Aug 19 2019
Tonight..South winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 8 seconds. Inland waters a light chop.
Tuesday..Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 8 seconds. Inland waters a light chop.
Tuesday night..South southeast winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 8 seconds. Inland waters a light chop. A slight chance of showers and Thunderstorms.
Wednesday..South southeast winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 9 seconds. Inland waters a light chop. A slight chance of showers and Thunderstorms.
Wednesday night..South winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 9 seconds. Inland waters a moderate chop. A slight chance of showers and Thunderstorms.
Thursday..South southeast winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 9 seconds. Inland waters a light chop. Showers likely and a slight chance of Thunderstorms.
Thursday night..South southwest winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers and Thunderstorms.
Friday..South southeast winds 5 to 10 knots. Seas 2 to 3 feet. Showers likely and a slight chance of Thunderstorms.
Friday night..South southwest winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and Thunderstorms.
Saturday..South winds 10 to 15 knots. Seas 1 to 2 feet. Showers and a slight chance of Thunderstorms.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 258 Pm Edt Mon Aug 19 2019
Synopsis.. Weak low pressure will meander over western georgia through Tuesday. The axis of atlantic ridging will slowly lift northward from a position across central florida early this week to the northeast florida waters by midweek. A frontal boundary will then move into the southeastern states from the north late this week and is expected to stall just north of the georgia waters by next weekend.
Gulf stream.. The approximate location of the west wall of the gulf stream as of aug 17, 2019 at 1200 utc... 62 nautical miles east of flagler beach. 75 nautical miles east of saint augustine beach. 89 nautical miles east of jacksonville beach. 89 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Fernandina Beach, FL
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location: 30.67, -81.47     debug


Area Discussion for - Jacksonville, FL
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Fxus62 kjax 191911
afdjax
area forecast discussion
national weather service jacksonville fl
311 pm edt Mon aug 19 2019

Weak low pressure continues to moves slowly northward
tonight...

Near term Tonight...

weak area of low pressure currently over south-central georgia
continues to produce stratiform rain showers from live oak to
alma, ga this afternoon. These will continue into the evening and
overnight hours as the low pressure slowly works northward.

Further east and south, scattered thunderstorms have developed
this afternoon along and outflow boundary headed east and the
westward moving east coast sea-breeze. These will quickly push off
coastal SE georgia while activity further south lingers into the
late afternoon hours. Partly cloudy skies have allowed for some
additional heating over portions of NE florida. Southeasterly
flow will push the sea-breeze inland, initiating showers and
thunderstorms that linger into the early evening hours. Despite
some modest instability (surface-based CAPE 2500 j kg), shear is
weak and will result in typical pulse type thunderstorms with
isolated strong wind gusts and heavy rainfall. Only precipitation
concerns overnight are across western zones where stratiform rain
remains possible.

Short term Tuesday and Wednesday...

still some influence expected on Tuesday from low pressure likely over
central georgia, however the influence will be confined to
northern zones. Further east and south, light southeasterly flow
will usher in an east coast sea-breeze during the afternoon hours.

The beaches dry out early with inland areas seeing showers and
thunderstorms through late afternoon. For Wednesday, low pressure
is far enough to the north where flow is more southerly versus
southeasterly. Best convergence will be across inland areas during
the afternoon where the sea-breeze boundaries merge.

Temperatures return to near normal with high temperatures
comfortably into the low 90s with the only exception being western
zones in SE georgia where cloud cover limits to the upper 80s.

Long term Thursday through Monday...

the long term features weak synoptic flow as a short wave trough
moves through the great lakes area well north of the region.

Toward the weekend, the frontal trough associated with the low
pressure to the north extends into the southeast and stalls. There
are some subtle differences in model guidance toward the end of
the long-term with the ECMWF pushing a shortwave trough into the
northern gulf. This feature is absent in the gfs. Regardless of
the differences, expect the typical diurnally driven thunderstorms
with sea-breeze boundaries pushing inland. With no significant
synoptic features to drive temperatures in either direction of
average, climatological normals are forecast (high: lower 90s,
lows: low to mid 70s).

Aviation
An outflow boundary from the convection across the suwannee valley
and interior southeast georgia moved eastward through the duval
county TAF sites early this afternoon. Showers developed along the
boundary, and then the boundary interacted with the east coast sea
breeze, with thunderstorms moving near kjax and kcrg. Storms are
expected near kgnv through mid afternoon, with storms near ksgj
in the late afternoon as the east coast sea breeze moves inland.

Southwesterly winds 5-10 knots will become southeast at the
coastal TAF sites as the east coast sea breeze moves inland. Light
winds are expected overnight.

Marine
The lack of strong pressure features results in light winds and
shallow seas throughout this week. Another frontal feature
approaches the northern waters late this week into the weekend,
but uncertainty remains on how far south it pushes.

Rip currents: low risk of rip currents, with a minor increase
during the afternoon as the sea-breeze moves inland.

Preliminary point temps pops
Amg 72 87 71 90 40 40 20 30
ssi 75 87 76 88 20 0 20 30
jax 74 90 74 90 20 10 10 40
sgj 74 89 74 89 20 0 10 30
gnv 72 91 72 90 20 50 40 40
ocf 72 91 72 90 30 50 40 40

Jax watches warnings advisories
Fl... None.

Ga... None.

Am... None.

Mcginnis kennedy


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FRDF1 - 8720030 - Fernandina Beach, FL 0 mi57 min 84°F 82°F1018.1 hPa
41112 - Offshore Fernandina Beach, FL (132) 10 mi57 min 82°F2 ft
BLIF1 19 mi57 min E 5.1 G 6 84°F 1018.5 hPa79°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 19 mi57 min ESE 5.1 G 8 83°F 83°F1017.8 hPa
DMSF1 20 mi57 min 84°F
LTJF1 20 mi57 min 84°F
NFDF1 20 mi57 min ESE 5.1 G 7 83°F 1019.2 hPa
JXUF1 23 mi69 min 84°F
SAXG1 - Sapelo Island Reserve, GA 53 mi87 min SSE 9.9 82°F 1018 hPa (-1.0)76°F
SAUF1 - St. Augustine, FL 57 mi27 min SE 12 G 14 82°F 84°F1017.3 hPa (-2.2)

Wind History for Fernandina Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fernandina Beach Municipal Airport, FL4 mi32 minSE 510.00 miFair83°F74°F77%1017.3 hPa
Jacksonville International Airport, FL17 mi31 minWSW 410.00 miMostly Cloudy85°F73°F70%1016.7 hPa
Mayport Naval Station - Adm David L. McDonald Field, FL19 mi35 minSSE 810.00 miMostly Cloudy84°F73°F72%1017 hPa
Jacksonville Craig Municipal Airport, FL24 mi34 minESE 410.00 miFair85°F75°F75%1017.1 hPa

Link to 5 minute data for KFHB

Wind History from FHB (wind in knots)
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Tide / Current Tables for Fernandina Beach, Amelia River, Florida (8)
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Fernandina Beach
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Mon -- 05:38 AM EDT     1.66 feet Low Tide
Mon -- 06:54 AM EDT     Sunrise
Mon -- 10:21 AM EDT     Moonset
Mon -- 12:01 PM EDT     7.13 feet High Tide
Mon -- 05:49 PM EDT     2.06 feet Low Tide
Mon -- 08:03 PM EDT     Sunset
Mon -- 10:39 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.46.95.74.22.81.81.72.43.64.966.87.16.85.84.53.22.32.12.63.74.85.86.7

Tide / Current Tables for St. Johns River Entrance, Florida Current (3)
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St. Johns River Entrance
Click for Map
Mon -- 01:56 AM EDT     -0.00 knots Slack
Mon -- 04:24 AM EDT     -1.94 knots Max Ebb
Mon -- 06:54 AM EDT     Sunrise
Mon -- 08:31 AM EDT     0.00 knots Slack
Mon -- 10:21 AM EDT     Moonset
Mon -- 11:20 AM EDT     2.16 knots Max Flood
Mon -- 02:17 PM EDT     -0.00 knots Slack
Mon -- 04:42 PM EDT     -1.88 knots Max Ebb
Mon -- 08:04 PM EDT     Sunset
Mon -- 08:43 PM EDT     0.00 knots Slack
Mon -- 10:39 PM EDT     Moonrise
Mon -- 11:41 PM EDT     2.10 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.91.1-0.1-1.3-1.9-1.9-1.4-0.9-0.30.41.42.121.30.3-0.8-1.7-1.9-1.5-0.9-0.40.211.9

Weather Map and Satellite Images
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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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Wind Forecast for Jacksonville, FL (17,4,5,8)
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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.