Wednesday, October28, 2020
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Marine Weather and Tides
Fernandina Beach, FL

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:37AMSunset 6:42PM Wednesday October 28, 2020 10:54 PM EDT (02:54 UTC) Moonrise 4:31PMMoonset 3:54AM Illumination 93% Phase: Waxing Gibbous; Moon at 12 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- 918 Pm Edt Wed Oct 28 2020
.small craft exercise caution...
Tonight..Southeast winds 10 to 15 knots becoming south 15 to 20 knots after midnight. Seas 3 to 4 feet with a dominant period 5 seconds. Choppy on the intracoastal waters.
Thursday..South winds 15 to 20 knots. Seas 3 to 4 feet with a dominant period 6 seconds. Choppy on the intracoastal waters. Chance of showers and slight chance of Thunderstorms in the afternoon.
Thursday night..Southwest winds 15 to 20 knots becoming west after midnight. Seas 3 to 4 feet with a dominant period 6 seconds. Choppy on the intracoastal waters. Chance of showers and slight chance of Thunderstorms in the evening, then slight chance of showers after midnight.
Friday..North winds 10 to 15 knots. Seas 2 to 3 feet. A moderate chop on the intracoastal waters.
Friday night..Northeast winds 10 to 15 knots. Seas 3 to 4 feet. A light chop on the intracoastal waters.
Saturday..Northeast winds 10 to 15 knots. Seas 3 to 5 feet. A moderate chop on the intracoastal waters. Slight chance of showers.
Saturday night..East winds 10 to 15 knots. Seas 3 to 4 feet. Slight chance of showers.
Sunday..North winds 5 to 10 knots. Seas 3 to 4 feet. Slight chance of showers.
Sunday night..North winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Seas 3 to 5 feet.
Monday..North winds 15 to 20 knots. Seas 4 to 6 feet.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 918 Pm Edt Wed Oct 28 2020
Synopsis.. Winds will gradually increase overnight and veer to the south as hurricane zeta moves further inland from the central gulf coast. Winds will increase from the southwest on Thursday ahead of an approaching cold front. This front will be southeast of the area by Friday morning, with strong high pressure building from the west then northwest. The high will build to the north Friday night through Saturday night. A cold front will move through Sunday. Strong high pressure will build to the northwest Sunday night through Monday.
Gulf stream.. The approximate location of the west wall of the gulf stream as of oct 29, 2020 at 1200 utc... 41 nautical miles east northeast of flagler beach. 49 nautical miles east of saint augustine beach. 57 nautical miles east of jacksonville beach. 67 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 290020 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 820 PM EDT Wed Oct 28 2020

UPDATE. Southeasterly flow over our area with a few isolated inland showers this evening. To the west, Hurricane Zeta has moved inland this evening to near Slidell, Louisiana as it moves quickly to the nne. The chance of isolated showers will continue overnight mainly over western zones as Zeta moves into north Georgia by morning. A trailing trough from Zeta will approach us from the west and result in scattered showers and thunderstorms spreading east across ne Fl/se Ga on Thursday. Isolated strong to marginally severe storms will be possible over the area as shear and heating increase from the late morning hours until mid- afternoon before decreasing by late afternoon. Strong winds gusts and isolated tornadoes will be possible along with brief heavy downpours over mainly inland se Ga and the Suwannee Valley.

PREV DISCUSSION [700 PM EDT].

Near Term. /through Thursday night/ .

Region will be between high pressure to the northeast and Hurricane Zeta near the central gulf coast this afternoon. Moisture to the northeast of Zeta will pivot across forecast area, with the best chance for showers and storms over western counties.

Tropical system will track to the northwest of the forecast area Tonight as high moves toward the east. The expected track of system, places the core of the stronger winds and heavier rain to the north and northwest of the forecast area. Expecting isolated to scattered showers Tonight.

Temperatures will remain well above normal Tonight.

For Thursday, the core of what remains of tropical system will track well to the north then northeast of the forecast area, as high pressure builds to the southeast. The cold front which will trail this system will move into western portion of forecast area in the afternoon. Showers and storms expected ahead of and along the front. A few of these storms could become strong to severe. Well above normal temperatures expected Thursday, with highs into the lower 90s over eastern counties.

The front will then move southeast across the forecast area Thursday night. High pressure will build from the west following the front, with skies clearing and temperatures falling sharply from west to east overnight. Lows Thursday night will range from the mid 50s over inland SE GA, to the mid 60s over coastal NE FL. In general the lows will be 25 to 30 degrees cooler than Thursday afternoon highs.

Short Term. /Friday through Sunday/ .

Strong high pressure will build from the west then northwest through the day Friday, with mainly clear skies expected. The resulting northwest flow will yield below normal highs despite the sunshine, with highs lower to middle 70s.

The strengthening high will build to the north Friday night and remain through Saturday, leading to an increasingly moist onshore flow, and the chance for a few mainly coastal showers. An enhanced pressure gradient, will yield gusty conditions at the coast. Temperatures will trend near seasonal averages Friday night into Saturday.

The high will weaken to the north Saturday night, with a quick moving cold front sliding southeast across forecast area Sunday. A few coastal showers expected Saturday night. The front is anticipated to pass mainly dry, but a few showers will be possible. Temperatures expected to be a little above normal for Saturday night and Sunday.

Long Term. /Sunday night through Wednesday/ .

Strong high pressure will build from the northwest Sunday night through Monday. This will result in a unseasonably cool flow from the northwest to north, with mainly clear skies. Low temperatures Sunday night will range from the upper 40s over inland SE GA to the upper 50s over coastal NE FL. Highs on Monday will struggle to get out of the 60s, except south of a line from GNV to SGJ where readings will get into the lower 70s.

The high will settle just to the northwest then north of the region Monday night into Tuesday, keeping conditions dry and cool.

The high will build more toward the northeast Wednesday, resulting in a trend toward onshore flow. This flow will yield a trend toward more seasonal temperatures, along with the potential for a few coastal showers.

AVIATION. [Through 00Z Friday] Scattered stratocumulus clouds may become briefly broken this evening with MVFR cigs and isolated showers. Otherwise VFR conditions will prevail overnight. Clouds will increase Thursday morning, with MVFR cigs and the the potential for showers and storms mainly during the afternoon hours. Winds will be from the southeast at 8 to 12 knots tonight and southwest at 15g25 knots after 11z Thursday.

Marine.

The region will be between high pressure to the east and Zeta near the gulf coast this evening. Zeta will quickly move inland Tonight, with area waters between high pressure to southeast and Zeta to the northwest overnight. The high will move further to the southeast Thursday as a cold front moves in from the northwest. This front will be southeast of the area by Friday morning, with strong high pressure building from the west then northwest. The high will build to the north Friday night through Saturday night. A cold front will move through Sunday. Strong high pressure will build to the northwest Sunday night through Monday. Rip Currents: SE GA: Moderate through Thursday NE FL: Moderate through Thursday

PRELIMINARY POINT TEMPS/POPS.

AMG 75 87 54 74 52 / 20 90 20 0 0 SSI 76 86 59 74 62 / 10 80 30 0 0 JAX 74 89 59 75 60 / 10 80 30 0 0 SGJ 76 90 62 77 65 / 0 50 30 0 0 GNV 74 88 57 76 56 / 20 80 30 0 0 OCF 74 88 61 77 58 / 20 70 30 0 0

JAX WATCHES/WARNINGS/ADVISORIES. FL . None. GA . None. AM . Small Craft Advisory from 10 AM Thursday to 10 AM EDT Friday 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.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FRDF1 - 8720030 - Fernandina Beach, FL 0 mi60 min SE 6 G 13 83°F 1015.5 hPa
41112 - Offshore Fernandina Beach, FL (132) 10 mi54 min 79°F 79°F3 ft
BLIF1 19 mi60 min SE 9.9 G 15 80°F 1016.3 hPa80°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 19 mi60 min SE 8.9 G 13 80°F 78°F1015.9 hPa
DMSF1 20 mi126 min 80°F
LTJF1 20 mi60 min 80°F 76°F
NFDF1 20 mi60 min ESE 8.9 G 12 73°F 1015.2 hPa
JXUF1 23 mi60 min 80°F
SAXG1 - Sapelo Island Reserve, GA 53 mi54 min SE 7 78°F 1015 hPa (-1.0)75°F
SAUF1 - St. Augustine, FL 57 mi54 min SSE 16 G 17 80°F 81°F1015.9 hPa (+0.0)77°F

Wind History for Fernandina Beach, FL
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fernandina Beach Municipal Airport, FL4 mi59 minSE 1110.00 miFair79°F78°F99%1015.6 hPa
Jacksonville International Airport, FL17 mi58 minSE 10 G 1810.00 miMostly Cloudy78°F75°F90%1014.9 hPa
Mayport Naval Station - Adm David L. McDonald Field, FL19 mi62 minSE 1010.00 miMostly Cloudy79°F75°F88%1015.3 hPa
Jacksonville Craig Municipal Airport, FL24 mi61 minSE 1010.00 miA Few Clouds80°F75°F85%1015.2 hPa

Link to 5 minute data for KFHB

Wind History from FHB (wind in knots)
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Last 24hrS6S5S3CalmS3SE4SE3SE4E5E4SE6SE7SE8SE8SE9SE9SE9SE7SE7SE7SE6SE8SE10SE10
1 day agoNE9NE9NE9NE11NE10E10E9E9NE8NE10E10E10E8E9E9E12E10E9SE11E8E10E5E6SE6
2 days agoCalmCalmCalmCalmCalmCalmCalmN4NE3NE3NE3NE9E11NE11
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Tide / Current Tables for Fernandina Beach, Amelia River, Florida (8)
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Fernandina Beach
Click for Map
Wed -- 12:54 AM EDT     1.98 feet Low Tide
Wed -- 04:54 AM EDT     Moonset
Wed -- 07:16 AM EDT     7.80 feet High Tide
Wed -- 07:38 AM EDT     Sunrise
Wed -- 01:18 PM EDT     2.27 feet Low Tide
Wed -- 05:31 PM EDT     Moonrise
Wed -- 06:40 PM EDT     Sunset
Wed -- 07:41 PM EDT     7.84 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.422.43.54.86.27.37.87.66.85.64.232.32.43.24.45.76.97.77.87.264.5

Tide / Current Tables for St. Johns River Entrance, Florida Current (3)
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St. Johns River Entrance
Click for Map
Wed -- 12:14 AM EDT     -1.59 knots Max Ebb
Wed -- 03:44 AM EDT     0.00 knots Slack
Wed -- 04:54 AM EDT     Moonset
Wed -- 06:18 AM EDT     2.17 knots Max Flood
Wed -- 07:38 AM EDT     Sunrise
Wed -- 09:25 AM EDT     -0.00 knots Slack
Wed -- 12:39 PM EDT     -1.64 knots Max Ebb
Wed -- 04:10 PM EDT     0.00 knots Slack
Wed -- 05:31 PM EDT     Moonrise
Wed -- 06:39 PM EDT     2.08 knots Max Flood
Wed -- 06:40 PM EDT     Sunset
Wed -- 09:41 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.6-1.5-1.3-0.80.41.62.12.11.50.5-0.6-1.3-1.6-1.6-1.5-1.1-0.21.11.92.11.70.8-0.4-1.2

Weather Map
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wmap_A
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Jacksonville, FL
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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 numerous 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.