Wednesday, December11, 2019
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Marine Weather and Tides
Pomona Park, FL

Version 3.4
NOTICE
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.
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 7:08AMSunset 5:27PM Wednesday December 11, 2019 1:19 AM EST (06:19 UTC) Moonrise 5:16PMMoonset 6:27AM Illumination 100% Phase: Full Moon; Moon at 14 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:201912111030;;167916 Fzus52 Kjax 110226 Cwfjax Coastal Waters Forecast For Northeast Florida/southeast Georgia National Weather Service Jacksonville Fl 926 Pm Est Tue Dec 10 2019 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. Amz450-452-454-111030- 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- 926 Pm Est Tue Dec 10 2019
.small craft advisory in effect from Wednesday afternoon through late Thursday night...
Rest of tonight..Southwest winds 10 to 15 knots becoming west northwest in the morning. Seas 2 to 4 feet. Dominant period 8 seconds. Inland waters a light chop. A chance of showers.
Wednesday..North winds 20 to 25 knots with gusts to around 35 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 7 seconds. Inland waters rough.
Wednesday night..Northeast winds 20 to 25 knots with gusts to around 35 knots. Seas 6 to 9 feet with occasional seas up to 11 feet. Dominant period 7 seconds. Inland waters rough. A chance of showers.
Thursday..Northeast winds 20 to 25 knots with gusts to around 35 knots. Seas 6 to 9 feet with occasional seas up to 11 feet. Dominant period 8 seconds. Inland waters rough. A chance of showers.
Thursday night..East northeast winds 15 to 20 knots. Seas 6 to 9 feet with occasional seas up to 11 feet subsiding to 5 to 7 feet with occasional seas up to 9 feet after midnight. Dominant period 9 seconds. Inland waters choppy. Showers likely and a slight chance of Thunderstorms.
Friday..South southeast winds 10 to 15 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 9 seconds. Inland waters a moderate chop. Showers and a slight chance of Thunderstorms.
Friday night..Southwest winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Showers likely.
Saturday..West southwest winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. A chance of showers.
Saturday night..West northwest winds 5 to 10 knots. Seas 2 to 4 feet.
Sunday..Northwest winds 5 to 10 knots becoming north in the afternoon. Seas 2 to 4 feet.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 926 Pm Est Tue Dec 10 2019
Synopsis.. A cold front is forecast to push across the area tonight and move south of the waters Wednesday morning. Increasing north winds and building seas are expected Wednesday, with elevated winds and seas continuing into Friday morning, and some gusts of gale force are likely. On Friday, an area of low pressure is forecast to track across northeast across the florida panhandle and southern georgia. Another cold front will move south across the local waters Saturday.
Gulf stream.. The approximate location of the west wall of the gulf stream as of dec 10, 2019 at 1200 utc... 45 nautical miles east of flagler beach. 52 nautical miles east of saint augustine beach. 64 nautical miles east of jacksonville beach. 87 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Pomona Park, FL
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location: 29.54, -81.47     debug


Area Discussion for - Jacksonville, FL
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FXUS62 KJAX 110124 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 824 PM EST Tue Dec 10 2019

NEAR TERM [Through Tonight]. Cold front just nw of area will move across se Ga this evening and across ne Fl after midnight. Low clouds and patchy fog off the Gulf will spread ne across mainly ne Fl ahead of the cold front. Scattered showers will accompany the frontal passage. The front will be south of the area by morning with lows in the mid 50s over se Ga and upper 50s/lower 60s across ne Fl.

AVIATION. [Through 00Z Thursday] Current VFR conditions will lower to IFR-LIFR as low cigs and vsbys move in ahead of approaching cold front. Behind the front winds will shift to the nw between 06z-10z and increase Wednesday morning. Gradual improvement to MVFR conditions expected Wednesday morning.

PREV DISCUSSION [409 PM EST].

SHORT TERM [Wednesday Through Friday].

Front will push south of the region Wednesday with little chance of any precip in the morning, as most of the energy from shortwave is not located close to the CWA. Still likely to see overrunning clouds Wednesday with some sprinkles possible as what's left from shortwave trough passes through the area. Temps will be much cooler than today's upper 70s and lower 80s, with highs only upper 50s to around 60 over the northwest zones, mid 60s around I-10 area, and lower 70s possible over the far srn zones. Breezy north-northeast winds mainly around coastal counties near 20 mph and gusty. Wed night, sfc high pressure pushes east to be due north of the area bringing sfc flow to the northeast, with the cold front slowing down as it pushes southward down the FL peninsula. Northeast flow may bring some chance for a few showers for the southeast zones, with breezy flow continuing for coastal counties up to 20-25 mph at times. Lows are colder as coolest air arrives with lows in the 40s and 50s, coldest over interior southeast GA.

Thursday, more changes occurring as the front stays to our south, and another shortwave moves into the south central U.S. helping to enhance lift and cloudiness across the northern Gulf, and north FL and srn GA. Winds will be continuing out of the northeast with chance of showers expected. Breezy north-northeast winds expected again near 20 mph. Rain chances ramp up late Thursday-Thursday night and Friday as the shortwave moves through the lower MS valley and the southeast states and induces sfc low cyclogenesis over the northern Gulf of Mexico. The low will push northeast and will be north of the area late Friday night. Ahead the low pressure, warm front is likely to push into northeast FL which should enhance rainfall chances. A few strong storms possible Friday afternoon and evening as the low passes through the region and low level winds increase.

LONG TERM [Saturday Through Tuesday].

Sfc low pressure will likely be north of the area with a trailing cold front to push south of the area Saturday, and weak high pressure will gradually build into the area Saturday night through Sunday. Gradual clearing skies Saturday through Sunday with near seasonable temperatures. Weak high pressure moves east of the area Monday and resultant warm front will push northward through the area Monday. Temps warm Monday to above normal. A cold front is forecast to approach the area Monday night with a chance of precip again Tuesday as the front makes its way into the deep south, with frontal passage either as early as early Tuesday morning or Tuesday night, given the timing disagreement between GFS and ECMWF.

AVIATION. [Through 18Z Wednesday]

VFR conditions will prevail through the remaining daylight hours, but another round of IFR-LIFR cigs and vsbys is anticipated late tonight/early Wed morning ahead of an approaching cold front. Behind the front Wed morning, winds will pick up from the northwest, blowing out low vsbys, but those low cigs may be stubborn to lift even at the end of the TAF cycle.

MARINE.

South to southwest flow continues into this evening ahead of an approaching cold front. The cold front is forecast to push into the GA waters around 06z and then into northeast FL waters 06-12z Wed. Cold front should be south of the waters 15z Wed. Small Craft Advisory conditions (20-33 kt and seas 7 ft) will be possible starting around as 14z-18z. Some gale force wind gusts are likely and due to lower confidence on gale warning have elected to have SCA at this time. Pressure gradient remains pinched Wed night through Thu night between the front to our south, which becomes stalled over srn FL, and high pressure ridge to our north. Pressure gradient becomes loose Friday as trough develops offshore of northeast FL and wedge of high pressure gives way to a developing low pressure system moving through the northeast Gulf of Mexico. As the low tracks northeastward across the southeast late Friday night into Saturday, winds may shift around to the south, but forecast is highly dependent on the eventual track of the low. It does appear winds will come around the northwest sometime on Saturday as the low pressure moves away and trailing cold front from the sfc low moves through the area. Weak high pressure builds into Sat night to Sun likely resulting in winds and seas on the low side.

Rip Currents: Moderate risk of rip currents at northeast Florida and southeast Georgia beaches rest of today and possible high risk of rip currents on Wednesday.

Coastal impacts: We will see elevated water levels Wed night through Thursday evening due to increased northeast flow (and higher surf) and the astronomical full moon phase Thu, Dec 12th. Model extratropical surge fcst suggesting about 1 foot, and for now no coastal advy is anticipated but will be monitored.

HYDROLOGY. At this time, rainfall forecast amounts with the stronger system Thursday night into Friday night week range from a low of only 0.5 inches over coastal northeast FL to 1.5 inches over parts of southeast GA.

PRELIMINARY POINT TEMPS/POPS.

AMG 53 62 44 60 49 / 30 10 10 20 60 SSI 56 63 50 62 56 / 30 10 10 30 60 JAX 59 68 52 65 58 / 30 10 10 40 60 SGJ 62 69 56 69 61 / 40 20 20 40 50 GNV 61 71 54 68 59 / 30 10 10 20 40 OCF 62 75 55 72 60 / 30 20 10 20 30

JAX WATCHES/WARNINGS/ADVISORIES. FL . None. GA . None. AM . Small Craft Advisory from 10 AM Wednesday to 9 AM EST 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.

Small Craft Advisory from noon Wednesday to 5 AM EST Friday for 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.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
GTXF1 - Guana Tolomato Matanzas Reserve, FL 15 mi94 min S 1.9 69°F 1021 hPa68°F
SAUF1 - St. Augustine, FL 24 mi79 min S 6 G 6 69°F 68°F1020 hPa (+0.4)
41117 38 mi49 min 67°F3 ft

Wind History for I-295 Bridge, St Johns River, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Link to 5 minute data for KOMN

Wind History from OMN (wind in knots)
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Last 24hr----------------------CalmCalmS3S3S6S6S3SW8SW10SW10CalmCalmCalm
1 day ago----------------------CalmCalmCalmSW6SW6S7SW8S7S7SW7SW5CalmCalm
2 days ago----------------------CalmCalmCalmCalmCalmE8SE10
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Tide / Current Tables for Sutherlands Still, Dunns Creek, Florida
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Sutherlands Still
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Wed -- 02:28 AM EST     4.37 feet High Tide
Wed -- 06:28 AM EST     Moonset
Wed -- 07:10 AM EST     Sunrise
Wed -- 08:48 AM EST     3.61 feet Low Tide
Wed -- 02:55 PM EST     4.49 feet High Tide
Wed -- 05:16 PM EST     Moonrise
Wed -- 05:28 PM EST     Sunset
Wed -- 10:32 PM EST     3.62 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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44.34.44.44.243.83.73.63.63.63.744.34.54.54.44.243.83.73.73.63.6

Tide / Current Tables for Palatka, St. Johns River, Florida
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Palatka
Click for Map
Wed -- 02:17 AM EST     4.88 feet High Tide
Wed -- 06:28 AM EST     Moonset
Wed -- 07:11 AM EST     Sunrise
Wed -- 09:02 AM EST     3.86 feet Low Tide
Wed -- 02:45 PM EST     5.06 feet High Tide
Wed -- 05:16 PM EST     Moonrise
Wed -- 05:28 PM EST     Sunset
Wed -- 09:46 PM EST     3.86 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.64.84.94.84.64.44.143.93.93.94.24.64.955.14.94.64.34.143.93.94

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Jacksonville, FL (1,6,7,8)
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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 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.