Sunday, March29, 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 7:16AMSunset 7:44PM Sunday March 29, 2020 1:28 PM EDT (17:28 UTC) Moonrise 9:30AMMoonset 11:36PM Illumination 31% Phase: Waxing Crescent; Moon at 6 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:202003292100;;254240 Fzus52 Kjax 291343 Cwfjax Coastal Waters Forecast For Northeast Florida/southeast Georgia National Weather Service Jacksonville Fl 943 Am Edt Sun Mar 29 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. Amz450-452-454-292100- 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- 943 Am Edt Sun Mar 29 2020
Rest of today..South southeast winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 5 seconds. Inland waters a light chop.
Tonight..South southwest winds 10 to 15 knots becoming west 5 to 10 knots after midnight. Seas 2 to 3 feet. Dominant period 5 seconds. Inland waters a light chop.
Monday..North winds 5 to 10 knots becoming east northeast in the afternoon. Seas 1 to 2 feet. Dominant period 5 seconds. Inland waters a light chop.
Monday night..South southeast winds 5 to 10 knots. Seas 1 to 2 feet. Dominant period 6 seconds. Inland waters a light chop.
Tuesday..South southwest winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 6 seconds. Inland waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Tuesday night..West winds 15 to 20 knots. Seas 2 to 4 feet. Showers likely and a chance of Thunderstorms.
Wednesday..North northwest winds 15 to 20 knots. Seas 2 to 4 feet.
Wednesday night..North northeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet.
Thursday..Northeast winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 943 Am Edt Sun Mar 29 2020
Synopsis.. Surface high pressure ridge will remain south of the area today. A weak, dry cold front will push through the area late tonight with another stronger cold front pushing through the local waters Tuesday night with potential for small craft advisory conditions. High pressure will build north of the area Wednesday and Thursday.
Gulf stream.. The approximate location of the west wall of the gulf stream as of mar 28, 2020 at 1200 utc... 71 nautical miles east of flagler beach. 79 nautical miles east of saint augustine beach. 90 nautical miles east of jacksonville beach. 102 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 291404 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 1004 AM EDT Sun Mar 29 2020

NEAR TERM [Through Tonight].

Deep layer ridging is in place over the area. The upper level ridge is aloft of the FL Peninsula this morning and will be pushing off the east coast this afternoon and evening. The surface ridge of high pressure is centered out in the Atlantic to our east-southeast, rendering south-southwesterly flow this morning. Now that the fog and low clouds are beginning to dissipate across the area, temperatures will warm up and are expected to reach record or near record highs again this afternoon, peaking in the low-mid 90s. Overnight, temperatures will remain above normal in the mid 60s, upper 60s along the St. Johns River and the Atlantic coastline. Fog is expected to develop again overnight in north- central FL and the Suwannee Valley.

Climate:

Site Normal Record Forecast ---------------------------------------------- Jacksonville 76 89 (1991) 93 Gainesville 77 94 (1907) 92 Alma 75 87 (2017) 91 St. Simons Island 71 85 (2015) 87

PREV DISCUSSION [741 AM EDT].

SHORT TERM [Monday Through Tuesday].

Monday: With little airmass change and weak high pressure ridge in place expect near record highs and dry conditions to continue with highs near 90 degrees inland, while Atlc beaches will be slightly cooler with a stronger sea breeze and highs in the lower/middle 80s.

Monday Night: Old frontal boundary starts to lift back northward across the region as a warm front and a bit more cloud cover is expected with mild overnight lows in the 60s once again and some patchy fog is possible but not as dense as previous nights.

Tuesday: Low pressure develops over SE US and track across GA during the afternoon hours and into the Carolinas Tue Night. This feature will bring one more day with above normal Max Temps into the 80s/near 90 while breezy SW winds develop at 15-25 mph with gusts around 35 mph at times. Severe storms will be possible by the afternoon and evening hours ahead of a trailing cold front with best chances of storms with damaging winds/isolated tornadoes and hail across SE GA with lesser chances of severe storm coverage across NE FL where coverage will be limited by drier airmass already in place. Cold front and storms should clear the region during the overnight hours as they push offshore. Partial clearing is expected and temps should fall into the 50s by Wed Morning.

LONG TERM [Wednesday Through Saturday].

Wed/Thu/Fri: A cooler/drier NW flow behind the front will lead to Max temps closer to climo values to start April mostly in the 70s to near 80 degrees. Lows will actually fall into the 40s over inland areas Wed Night, otherwise lows generally in the 50s through the dry period under Mostly Clear to Partly Cloudy skies.

Sat: Long range models not in great agreement at this time frame but as High pressure pushes offshore, some moisture return in southerly flow ahead of next shortwave aloft could provide for some widely scattered showers or an isolated storm with Max Temps slightly above normal around 80 degrees.

AVIATION. [Through 12Z Monday]

IFR-VLIFR conditions continue to spread east-northeastward across much of NE FL and SE GA this morning. Cigs and vsbys should improve to MVFR by around 14Z, then to VFR around 15Z. Sustained southerly surface winds around 5 knots this morning will shift to southwesterly around 10 knots by 16Z, then the Atlantic sea breeze will develop and move across SGJ towards 17Z, SSI after 18Z and CRG towards 20Z. South-southeasterly winds with sustained speeds of 10-15 knots are anticipated in the wake of this sea breeze boundary, becoming lighter after sunset.

MARINE.

Lighter southerly flow at 10-15 knots Today, then becoming light offshore flow late tonight and early Monday following weak frontal passage. Weak onshore flow develops Monday afternoon with Atlc sea breeze development. Southerly flow increases to 15-20 knots on Tuesday ahead of next cold front, then potential Small Craft Advisory headlines Tuesday Night with the frontal passage as offshore flow develops at 15-25 knots that continues into Wed. Flow slowly becomes northerly on Thursday as High pressure builds north of the waters at 10-15 knots but seas remain elevated in the 3-7 ft range.

FIRE WEATHER.

Hot and dry conditions continue today with Min RH's in the 30-40% range while SW winds at 10-15 mph with continue the threat of some slightly higher daytime dispersions this afternoon. The drier air behind the weak frontal passage tonight will lead to Min RH's around 25% across inland SE GA but winds less than 10 mph will prevent the need for any Red Flag headlines.

PRELIMINARY POINT TEMPS/POPS.

AMG 91 64 85 61 83 / 0 0 0 0 90 SSI 84 67 81 65 80 / 0 0 0 0 50 JAX 93 66 88 66 87 / 0 0 0 0 40 SGJ 89 65 84 67 86 / 0 0 0 0 20 GNV 92 63 91 64 86 / 0 0 0 0 40 OCF 93 63 90 64 87 / 0 0 0 0 30

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 mi59 min W 5.1 G 8 85°F 73°F1021.4 hPa
41112 - Offshore Fernandina Beach, FL (132) 14 mi59 min 71°F2 ft
BLIF1 14 mi65 min W 7 G 12 82°F 1021.9 hPa68°F
DMSF1 15 mi59 min 76°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 15 mi59 min W 6 G 9.9 79°F 70°F1021.4 hPa
NFDF1 15 mi59 min WSW 5.1 G 8 80°F
LTJF1 16 mi65 min 78°F 66°F
41117 48 mi59 min 71°F3 ft
SAUF1 - St. Augustine, FL 53 mi89 min SE 7 G 8 70°F 65°F1021.8 hPa (+0.3)
SAXG1 - Sapelo Island Reserve, GA 58 mi89 min W 7 70°F 1021 hPa (+1.0)66°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 mi34 minW 910.00 miFair82°F67°F63%1021 hPa
Jacksonville International Airport, FL12 mi33 minWNW 610.00 miPartly Cloudy83°F66°F57%1020.8 hPa
Mayport Naval Station - Adm David L. McDonald Field, FL15 mi37 minW 610.00 miFair84°F64°F51%1020.8 hPa
Jacksonville Craig Municipal Airport, FL19 mi36 minVar 5 G 1410.00 miFair83°F64°F55%1020.9 hPa

Link to 5 minute data for KFHB

Wind History from FHB (wind in knots)
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2 days agoE8E9NE11NE12NE8E7E6E6SE6SE7S6S7S6S5S5S6S7SW7SW9SW7SW8SW10S8S10

Tide / Current Tables for Nassauville, Florida
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Nassauville
Click for Map
Sun -- 12:54 AM EDT     4.84 feet High Tide
Sun -- 07:18 AM EDT     Sunrise
Sun -- 07:41 AM EDT     0.59 feet Low Tide
Sun -- 10:29 AM EDT     Moonrise
Sun -- 01:18 PM EDT     4.24 feet High Tide
Sun -- 07:43 PM EDT     Sunset
Sun -- 07:44 PM EDT     0.46 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.64.84.64321.20.70.61.22.133.84.24.23.72.91.91.10.60.512.13.2

Tide / Current Tables for St. Johns River Entrance, Florida Current (3)
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St. Johns River Entrance
Click for Map
Sun -- 12:00 AM EDT     2.29 knots Max Flood
Sun -- 03:01 AM EDT     -0.00 knots Slack
Sun -- 05:26 AM EDT     -1.87 knots Max Ebb
Sun -- 07:18 AM EDT     Sunrise
Sun -- 09:35 AM EDT     0.00 knots Slack
Sun -- 10:29 AM EDT     Moonrise
Sun -- 12:25 PM EDT     1.66 knots Max Flood
Sun -- 03:03 PM EDT     -0.00 knots Slack
Sun -- 05:36 PM EDT     -1.86 knots Max Ebb
Sun -- 07:43 PM EDT     Sunset
Sun -- 08:59 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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2.31.91.10-1.1-1.8-1.8-1.3-0.8-0.30.20.91.61.50.90-0.9-1.7-1.8-1.3-0.600.51.1

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
Wind Forecast for Jacksonville, FL (13,3,4,5)
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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.