Sunday, May31, 2020
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Marine Weather and Tides
Butler Beach, 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 6:23AMSunset 8:21PM Sunday May 31, 2020 2:13 PM EDT (18:13 UTC) Moonrise 1:56PMMoonset 1:54AM Illumination 72% Phase: Waxing Gibbous; Moon at 10 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 Expires:202005312100;;036793 Fzus52 Kjax 311249 Cwfjax Coastal Waters Forecast For Northeast Florida/southeast Georgia National Weather Service Jacksonville Fl 849 Am Edt Sun May 31 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. Amz450-452-454-312100- 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- 849 Am Edt Sun May 31 2020
Rest of today..West northwest winds 5 to 10 knots becoming east in the afternoon. Seas 2 to 3 feet. Dominant period 8 seconds. Inland waters a light chop. A slight chance of showers and Thunderstorms.
Tonight..East northeast winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 8 seconds. Inland waters a moderate chop. A chance of showers.
Monday..East northeast winds 20 to 25 knots. Seas 4 to 6 feet with occasional seas up to 8 feet building to 6 to 8 feet with occasional seas up to 10 feet in the afternoon. Dominant period 6 seconds. Inland waters choppy. A chance of showers.
Monday night..East winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 8 seconds. Inland waters a moderate chop.
Tuesday..East southeast winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 8 seconds. Inland waters a moderate chop.
Tuesday night and Wednesday..Southeast winds 5 to 10 knots. Seas 2 to 4 feet.
Wednesday night..South winds 10 to 15 knots. Seas 2 to 3 feet.
Thursday..South southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and Thunderstorms.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 849 Am Edt Sun May 31 2020
Synopsis.. A cold front will move south across the area today and then push south of the area tonight. High pressure will build from the north tonight into Monday with small craft advisory conditions expected Monday into Monday night. The center of this high will move northeast of the area waters Monday night into Tuesday, and then to the east Tuesday night through Thursday. Dry conditions are expected Tuesday and Wednesday with a chance of showers and Thunderstorms over the waters on Thursday.
Gulf stream.. The approximate location of the west wall of the gulf stream as of may 30, 2020 at 1200 utc... 66 nautical miles east of flagler beach. 75 nautical miles east of saint augustine beach. 87 nautical miles east of jacksonville beach. 96 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Butler Beach, FL
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location: 29.77, -81.26     debug


Area Discussion for - Jacksonville, FL
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FXUS62 KJAX 311727 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 127 PM EDT Sun May 31 2020

AVIATION. [Through 18Z Monday]

So far the East Coast Sea Breeze front pushing inland has struggled to generate shower activity, but is expected to do so over the next couple of hours and have continued the trend of adding VCTS to all NE FL TAF sites by 20z which will continue through sunset (01Z). The best chances for convection will be at SGJ/GNV, but still not organized enough to add TEMPO groups for TSTMs yet. Activity will fade by sunset due to loss of heating despite the frontal boundary still in the region. The development of MVFR CIGS and VCSH are expected tonight as increasing NE flow develops in the wake of the cold front. This is expected at SSI by 06z, and the JAX Metro/SGJ TAF sites by 09-12z time frame and will be associated with a increase in NE winds to 15G20-25 knots with some gusts up to 30 knots possible at SGJ. Shower activity will be possible late in the period (17Z) at GNV with CIGS remaining just above VFR at around 3500 feet.

PREV DISCUSSION [908 AM EDT].

NEAR TERM [Through Tonight].

Today, a cold front will move through the area later this morning over SE GA and then through NE FL during the midday hours with a chance of showers and a slight chance of thunderstorms along and ahead of the front mainly along and south of I-10. The storms are not expected to be severe as 500 mb temperatures remain warmer aloft around -6 to -7 degrees Celsius with drier air filtering in in the mid level northwest flow aloft that should help suppress overall storm development while atmospheric moisture levels drop steadily through the day. Light west southwest winds will veer to the northwest today by midday over much of the area and then become northerly this afternoon as the cold front pushes southward into north central Florida by the late afternoon hours.

Highs this afternoon will still soar into the low 90s along and west of I-95 over NE FL and south of Waycross in SE GA before the front moves through with drier air aloft and at the surface. Areas north and west of Waycross will see highs in the upper 80s.

Tonight, a mid to upper level trough over the mid Atlantic and northeast will move off into the Atlantic as a strong mid level ridge over the midwest builds in over the southeast states. This will allow surface high pressure to build north of the region and northerly winds will veer again to the northeast and increase to around 15-20 mph at the coast with gusts up to 25 mph as the local pressure gradient increases over the area. A chance of showers are possible over the coastal counties as cooler drier air from the northeast wedges down the southeast Atlantic coast.

Lows will remain above seasonal values along the coast and over north central Florida with readings in the low 70s while inland areas of SE GA and NE FL dip into the upper 60s as drier air at the surface filters in from the northeast.

SHORT TERM [Monday Through Tuesday].

Monday: An upper level trough located from the Northeast southward to the east of the Carolinas and Bahamas Monday morning will pivot northeastward through the day. Upper level high pressure will build over the Florida Peninsula, the northern Gulf coast and southern Plains. At the surface, a cold front will be across south Florida. High pressure over the Ohio and Tennessee Valleys will shift east southeastward and off the coast of the Carolinas Monday night. Lingering low level moisture in the northeasterly low level flow may lead to a few coastal showers for northeast Florida. As surface high pressure shifts towards the coast of the Carolinas, drier air will move into the area from the northeast and low level flow will become easterly. Dry conditions will prevail overnight Monday. Cooler temperatures are expected, with highs in the lower 80s for the coastal counties, and the mid to upper 80s elsewhere. Overnight lows will be in the 60s across the interior and around 70 at the beaches.

Tuesday: An upper level shortwave will move off the coast of the Carolinas, reinforcing the base of the upper trough east of the conus. Northerly upper level winds will prevail by the afternoon. Surface high pressure will settle towards Bermuda, and the surface ridge axis will be across the Florida/Georgia border. Drier air will continue to filter into the eastern two thirds of the area through the day, with precipitable water values falling below 1 inch along the coast. Highs will be similar to Monday with temps in the low 80s for the coastal counties and the mid to upper 80s elsewhere. Overnight lows are forecast to be in the 60s.

LONG TERM [Wednesday Through Sunday].

Weak upper ridging extending from the Bahamas and across the Southeast will shift east as weak troughing develops along the northern Gulf coast and northeastern Gulf. Dry conditions will prevail on Wednesday. Deep southerly flow will develop Wednesday night and Thursday, and deep south to southwesterly flow will prevail through the end of the week. Precipitable water values are forecast to surge back to 2+ inches, and scattered to numerous showers and storms are expected each day through the weekend. Temperatures will return to near normal in the upper 80s to lower 90s. Overnight lows will increase from the mid 60s to near 70 Thursday morning to the low to mid 70s by the weekend.

MARINE.

A cold front will move south across the local waters today with winds from the north veering to the northeast. The cold front will then push south of the waters tonight and winds will veer to the east. As high pressure builds from the north tonight into Monday, small craft exercise caution conditions are possible Monday into Monday night due to elevated winds and seas as the local pressure gradient increases. The high will move northeast of the area waters Monday night into Tuesday, and then to the east Tuesday night through Thursday. Dry conditions are expected Tuesday and Wednesday with a chance of showers and thunderstorms over the waters on Thursday.

Rip Currents: Moderate risk expected on Sunday. High rip current risk expected on Monday for NE Florida beaches through Tuesday due to onshore flow and building easterly swells.

PRELIMINARY POINT TEMPS/POPS.

AMG 68 85 62 86 64 / 10 10 0 0 0 SSI 73 80 70 81 68 / 20 10 0 0 0 JAX 72 83 68 83 66 / 30 30 10 0 0 SGJ 73 82 70 82 67 / 30 40 10 10 0 GNV 70 87 67 86 65 / 20 30 10 10 10 OCF 71 89 68 86 66 / 30 30 10 10 10

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
SAUF1 - St. Augustine, FL 6 mi73 min 81°F 78°F1016.6 hPa (-0.3)
GTXF1 - Guana Tolomato Matanzas Reserve, FL 8 mi88 min ENE 4.1 87°F 1018 hPa75°F
41117 19 mi43 min 82°F2 ft
LTJF1 43 mi61 min 83°F 71°F
JXUF1 44 mi55 min 84°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 44 mi55 min ENE 9.9 G 11 82°F 81°F1016.8 hPa
BLIF1 45 mi61 min E 8 G 9.9 86°F 1017.2 hPa76°F
DMSF1 45 mi55 min 82°F
NFDF1 48 mi55 min NE 1.9 G 7 87°F

Wind History for I-295 Bridge, St Johns River, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Northeast Florida Regional Airport, FL14 mi17 minE 910.00 miPartly Cloudy86°F75°F72%1016.4 hPa

Link to 5 minute data for KSGJ

Wind History from SGJ (wind in knots)
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Last 24hrE9E8SE10SE8SE12S12S7S4S5SW4SW5SW3SW3W7SW6W5W4W7W7W53NW5E9E9
1 day agoSE10SE8SE6S5SE7SE8S5W5SW4CalmSW4S4CalmCalmS3S3CalmW4SW6SW6W7W8W9W6
2 days agoCalm--S9S6S9E7CalmCalmW4W8SW9SW5SW6SE4S5CalmCalmCalmSE5E6E6E9E11SE7

Tide / Current Tables for St. Augustine Beach, Florida (2)
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St. Augustine Beach
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Sun -- 02:54 AM EDT     Moonset
Sun -- 03:30 AM EDT     5.16 feet High Tide
Sun -- 06:24 AM EDT     Sunrise
Sun -- 10:02 AM EDT     0.32 feet Low Tide
Sun -- 02:55 PM EDT     Moonrise
Sun -- 04:14 PM EDT     5.21 feet High Tide
Sun -- 08:21 PM EDT     Sunset
Sun -- 10:37 PM EDT     0.54 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.53.64.65.15.14.63.72.61.50.70.30.71.62.844.85.25.14.53.52.41.40.70.6

Tide / Current Tables for St. Augustine Beach, Florida
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St. Augustine Beach
Click for Map
Sun -- 02:54 AM EDT     Moonset
Sun -- 03:32 AM EDT     4.62 feet High Tide
Sun -- 06:24 AM EDT     Sunrise
Sun -- 09:54 AM EDT     -0.24 feet Low Tide
Sun -- 02:55 PM EDT     Moonrise
Sun -- 04:18 PM EDT     4.62 feet High Tide
Sun -- 08:21 PM EDT     Sunset
Sun -- 10:24 PM EDT     0.08 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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23.144.54.6431.80.7-0-0.20.112.13.24.14.64.53.82.71.60.60.10.2

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.
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Wind Forecast for Jacksonville, FL (14,3,4,5)
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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.