Tuesday, July7, 2020
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Marine Weather and Tides
Yulee, FL

Version 3.4
NOTICE
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 6:28AMSunset 8:33PM Tuesday July 7, 2020 9:44 PM EDT (01:44 UTC) Moonrise 9:48PMMoonset 7:44AM Illumination 93% Phase: Waning Gibbous; Moon at 17 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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AMZ452 Expires:202007080900;;489829 Fzus52 Kjax 080036 Cwfjax Coastal Waters Forecast For Northeast Florida/southeast Georgia National Weather Service Jacksonville Fl 836 Pm Edt Tue Jul 7 2020 Atlantic Coastal Waters From Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm. Seas Are Provided As A Range Of The Average Height Of The Highest 1/3 Of The Waves, Along With The Occasional Height Of The Average Highest 1/10 Of The Waves. Amz450-452-454-080900- 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- 836 Pm Edt Tue Jul 7 2020
Rest of tonight..West southwest winds 10 to 15 knots. Seas 1 to 2 feet. Dominant period 9 seconds. Inland waters a moderate chop. A chance of showers.
Wednesday..West southwest winds 10 to 15 knots. Seas 1 to 2 feet. Dominant period 9 seconds. Inland waters a moderate chop. Showers with Thunderstorms likely.
Wednesday night..West winds 10 to 15 knots. Seas 1 to 2 feet. Dominant period 9 seconds. Inland waters a moderate chop. Showers likely.
Thursday..West southwest winds 10 to 15 knots. Seas 1 to 2 feet. Dominant period 8 seconds. Inland waters a light chop. Showers likely and a chance of Thunderstorms.
Thursday night..West southwest winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 8 seconds. Inland waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Friday..South southwest winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 9 seconds. Inland waters a light chop. Showers likely and a chance of Thunderstorms.
Friday night..Southwest winds around 10 knots. Seas 2 to 3 feet. A chance of showers and Thunderstorms.
Saturday..South southwest winds 5 to 10 knots. Seas 2 to 3 feet. Showers and Thunderstorms likely.
Saturday night..Southwest winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and Thunderstorms.
Sunday..South southwest winds 10 to 15 knots. Seas 2 to 4 feet. Showers and Thunderstorms likely.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 836 Pm Edt Tue Jul 7 2020
Synopsis.. An area of low pressure will track east across georgia tonight and off the carolina coast on Wednesday, while a high pressure ridge sinks further to the southeast. The national hurricane center is Monitoring this low for possible tropical development. The region will then be between a trough of low pressure across the southeastern us, and a ridge of high pressure to the east southeast into the weekend.
Gulf stream.. The approximate location of the west wall of the gulf stream as of jul 07, 2020 at 1200 utc... 65 nautical miles east northeast of flagler beach. 69 nautical miles east of saint augustine beach. 76 nautical miles east of jacksonville beach. 91 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Yulee, FL
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location: 30.6, -81.52     debug


Area Discussion for - Jacksonville, FL
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FXUS62 KJAX 080055 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 855 PM EDT Tue Jul 7 2020

UPDATE.

Moist and active West to Southwest flow around the south side of low pressure system over Central GA will keep a risk of showers and slight chance of storms through the night across the region, mainly across SE GA closer to the low pressure system and across inland NE FL along the I-75 corridor where onshore flow from the Gulf of Mexico will continue the threat of showers after midnight. Otherwise typical mid summer muggy conditions with lows in the lower to middle 70s inland and upper 70s along the Atlc Coast. Too much low level southwest flow for any significant fog formation but some lower stratus clouds will be possible towards morning. Moist airmass and active flow on the south side of low pressure will continue the threat for numerous to widespread showers and embedded strong storms developing by the late morning hours and continuing through the afternoon hours with several rounds of showers and storms expected. Locally heavy rainfall and gusty winds of 40-50 mph will remain the main threats from storms.

PREV DISCUSSION [729 PM EDT].


Short Term. /through Saturday/ .

Area of low pressure will track east across central GA this afternoon, then off the Carolina coast Wednesday. This low is then forecast to track north northeast up the coast on Thursday, with a trough trailing south from it across forecast area through Saturday. An upper trough is expected to develop over the area Thursday through Saturday as well. The combination of these features, along with diurnal heating will keep precipitation chances above normal this period, mainly during the afternoon and evening hours.

Temperatures will trend a little above normal this period.

Long Term. /Saturday night through Tuesday/ .

The region will be between high pressure to the southeast, and a broad area of low pressure over the southeastern US this period. The region will also be in the base of an upper trough this period. Instability and convergence from these features will combine with diurnal heating to produce daily rounds of showers and storms this period, with best chances during the afternoon and evening hours.

Temperatures this period will trend a little above seasonal averages.

AVIATION. [Through 00Z Thursday]

Convection has ended except for VCTS at SGJ until 01z and until 02z at SSI, then VFR through about 07z, then models develop widespread MVFR CIGS area-wide in the moist SW flow around the low pressure just north of the TAF sites. For now expect MVFR CIGS around 2500 ft at NE FL TAF sites and around 1500 ft at SSI. Expect MVFR CIGS to continue Wed morning with VCSH possible from 13-16z (late morning hours), then expect numerous showers (SHRA) and embedded storms (VCTS) through the 16z-00z time frame with best chances for at least MVFR conds/gusty winds in storms from 17-23z time frame and have included the PROB30 groups for now to account for the main storm time frame.

Marine.

An area of low pressure will track east across GA Today, and off the Carolina coast on Wednesday, while a high pressure ridge sinks further to the southeast. The National Hurricane Center is monitoring this low for possible tropical development. The region will then be between a trough of low pressure across the southeastern US, and a ridge of high pressure to the east southeast into the weekend.

Rip Currents: SE GA: Low risk through Wednesday NE FL: Low risk through Wednesday

PRELIMINARY POINT TEMPS/POPS.

AMG 73 89 72 91 74 / 40 80 20 70 20 SSI 75 87 75 91 77 / 40 80 30 60 30 JAX 74 91 74 94 75 / 30 90 40 70 20 SGJ 74 91 74 92 75 / 30 90 40 70 30 GNV 73 90 73 92 74 / 40 80 30 60 20 OCF 74 89 75 91 75 / 30 80 20 60 20

JAX WATCHES/WARNINGS/ADVISORIES. FL . None. GA . None. AM . None.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FRDF1 - 8720030 - Fernandina Beach, FL 6 mi57 min S 4.1 G 6 85°F 83°F1014.3 hPa
BLIF1 14 mi63 min SSW 7 G 8.9 81°F 1015.5 hPa81°F
DMSF1 15 mi57 min 84°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 15 mi57 min SSW 5.1 G 7 80°F 84°F1014.9 hPa
NFDF1 15 mi57 min WSW 5.1 G 8 75°F 75°F
LTJF1 16 mi63 min 80°F 76°F
JXUF1 18 mi57 min 84°F
41117 48 mi49 min 83°F2 ft
SAUF1 - St. Augustine, FL 53 mi45 min SSW 7 G 7 79°F 82°F1015.8 hPa (-0.5)74°F
SAXG1 - Sapelo Island Reserve, GA 58 mi60 min SW 6 80°F 1013 hPa78°F

Wind History for Fernandina Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fernandina Beach Municipal Airport, FL3 mi50 minSW 810.00 miFair79°F78°F99%1014.2 hPa
Jacksonville International Airport, FL12 mi49 minSSW 610.00 miOvercast77°F73°F90%1014.1 hPa
Mayport Naval Station - Adm David L. McDonald Field, FL15 mi53 minSW 510.00 miMostly Cloudy78°F75°F90%1014.4 hPa
Jacksonville Craig Municipal Airport, FL19 mi52 minSW 510.00 miFair79°F75°F88%1014.6 hPa

Link to 5 minute data for KNRB

Wind History from NRB (wind in knots)
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Last 24hrS6S9SW9S8S8SW7S7S6S7SW6SW8SW11SW12SW10
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1 day agoS4S7S7S8S5SW7S7SW5SW4SW5S6S7S6SE6SE10SE14SW5--S6S9S8S9S9S7
2 days agoS3SW3S4CalmCalmCalmS4S3S3S3S4SW7SW6W43E5E9N6N3CalmSE5S8S9S7

Tide / Current Tables for Nassauville, Florida
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Nassauville
Click for Map
Tue -- 06:07 AM EDT     0.40 feet Low Tide
Tue -- 06:30 AM EDT     Sunrise
Tue -- 08:44 AM EDT     Moonset
Tue -- 11:40 AM EDT     5.04 feet High Tide
Tue -- 06:05 PM EDT     0.52 feet Low Tide
Tue -- 08:31 PM EDT     Sunset
Tue -- 10:47 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.95.44.33.11.80.80.40.81.734.14.954.63.82.71.70.90.50.91.93.14.45.3

Tide / Current Tables for St. Johns River Entrance, Florida Current
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St. Johns River Entrance
Click for Map
Tue -- 12:33 AM EDT     -0.01 knots Slack
Tue -- 03:47 AM EDT     -2.10 knots Max Ebb
Tue -- 06:29 AM EDT     Sunrise
Tue -- 07:19 AM EDT     0.00 knots Slack
Tue -- 08:43 AM EDT     Moonset
Tue -- 09:43 AM EDT     1.64 knots Max Flood
Tue -- 12:37 PM EDT     -0.00 knots Slack
Tue -- 03:19 PM EDT     -2.00 knots Max Ebb
Tue -- 07:08 PM EDT     0.00 knots Slack
Tue -- 08:30 PM EDT     Sunset
Tue -- 09:58 PM EDT     2.30 knots Max Flood
Tue -- 10:46 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.8-0.6-1.7-2-2.1-1.9-1.4-0.40.71.51.61.30.7-0.5-1.5-2-1.9-1.7-1.1-0.2122.32.1

Weather Map
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wmap_A
GEOS Local Image of Southeast    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
Wind Forecast for Jacksonville, FL (21,6,7,8)
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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.