Wednesday, April8, 2020
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Marine Weather and Tides
Pomona Park, 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 7:04AMSunset 7:48PM Wednesday April 8, 2020 8:34 AM EDT (12:34 UTC) Moonrise 7:43PMMoonset 6:42AM Illumination 100% Phase: Full Moon; Moon at 15 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:202004081500;;750298 Fzus52 Kjax 080648 Cwfjax Coastal Waters Forecast For Northeast Florida/southeast Georgia National Weather Service Jacksonville Fl 248 Am Edt Wed Apr 8 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. Amz450-452-454-081500- 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- 248 Am Edt Wed Apr 8 2020
Today..Southwest winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 11 seconds. Inland waters a light chop. A chance of showers and Thunderstorms.
Tonight..West southwest winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 11 seconds becoming 4 seconds after midnight. Inland waters a moderate chop.
Thursday..West southwest winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 11 seconds. Inland waters a moderate chop. A slight chance of showers and Thunderstorms.
Thursday night..West northwest winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 10 seconds becoming 3 seconds after midnight. Inland waters a light chop. A slight chance of showers and Thunderstorms.
Friday..North northwest winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Inland waters a moderate chop. A chance of showers.
Friday night..North winds 5 to 10 knots. Seas 2 to 3 feet.
Saturday..East northeast winds 5 to 10 knots becoming east southeast in the afternoon. Seas 1 to 2 feet.
Saturday night..South southeast winds 15 to 20 knots. Seas 2 to 3 feet. A chance of showers and a slight chance of Thunderstorms.
Sunday..South winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. A chance of showers and a slight chance of Thunderstorms.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 248 Am Edt Wed Apr 8 2020
Synopsis.. Long period northeast swells subside tonight. Surface high pressure will remain south of the area through Thursday which will continue west-southwest winds for the area waters. An isolated Thunderstorm will be possible this afternoon into evening for the coastal waters. A cold front is forecast to move into the forecast area by Thursday night and Friday with stronger northerly winds expected Friday. The cold front will lift back north as a warm front over the local area Saturday night.
Gulf stream.. The approximate location of the west wall of the gulf stream as of apr 07, 2020 at 1200 utc... 59 nautical miles east northeast of flagler beach. 63 nautical miles east of saint augustine beach. 81 nautical miles east southeast of jacksonville beach. 103 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 080828 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 428 AM EDT Wed Apr 8 2020

NEAR TERM [Through Tonight].

The upper ridge centered over the Yucatan flattens as zonal flow develops aloft. Surface high pressure will remain south of the area resulting in west-southwesterly flow over the area. Deep layer west-southwesterly flow will advect warm, moist air into the region increasing PWATS to 1.9" and highs into the mid to upper 80s. A weak disturbance aloft moves through the Gulf states today into tonight. Scattered showers and thunderstorms will increase in coverage across southeast Georgia beginning this afternoon and spread southward toward the I-10 corridor of northeast Florida into the evening hours. With 0-6 km bulk shear of 45-55 kt and MUCAPE of 2000-25000 J/kg, an isolated strong to severe thunderstorm cannot be ruled out. The highest potential will be over southeast Georgia with locally damaging winds as the main threat.

SHORT TERM [Thursday Through Friday].

Hot Thu with near record heat under breezy westerly flow as the pressure gradient strengthens ahead of a cold front. As the front slides across SE GA in the morning and approaches the I-10 corridor, expect a low chance of showers and potentially an isolated t'storm given limited deep layer moisture and weakening upper level forcing aloft but continued low level instability with surface based CAPEs near 1500-2000 J/kg. Focused the best rain chances near the I-10 corridor in the afternoon & evening, with resultant rainfall tracking eastward as the surface front settles south across NE FL Thu night. Cooler and stable northerly flow Thu night trailing the surface front, but rain chances increase toward sunrise Fri as PVA within the based of a long wave mid/upper level trough deepening across the eastern CONUS streams eastward across the Gulf Coast states. This mid/upper level lift combined with unseasonably high moisture (PWAT 1-1.6" Fri) over stable surface conditions will bring a cool, rainy day through the day Fri with rainfall tapering off from north to south Fri afternoon into Fri evening as yet another surface cold front shifts across the local area as the upper level trough advances downstream. Much cooler and dry Fri night as surface high pressure builds north of the region, but conditions will become favorable for shallow ground fog through sunrise Sat morning as skies clear due to recent rainfall.

A temperature roller-coaster ride over this 48 hr period ranging from record warmth on Thu with highs in the 90s, then trailing the frontal passage Thu night highs will near 20 deg cooler Fri in the low 70s under cloudy skies and cool rain. Minimum temperatures will also plunge from the upper 60s to near 70 Thu morning, cooling into the mid 50s to low 60s Fri morning, then falling further into the mid 40s to low 50s inland by sunrise Sat.

LONG TERM [Saturday Through Wednesday].

A progressive pattern as a brief cooler and dry pattern Sat yields to rain chances once again increasing Sat night into Sun morning as a warm front lifts northward over the local area. There will be a chance of isolated embedded, elevated thunderstorms within lifting stratiform rainfall with warming temperatures Sunday as the entire forecast area within the warm sector. Strong warm air advection pattern returns Sun under breezy SW winds as highs once again rise near 90 deg. Still some model timing differences with the timing of a pre-frontal squall line crosses the local area late Sun into Mon which could produce a few strong to severe storms, then models do agree on the front stalling across the FL peninsula late Mon into Tue as yet a stronger upper level trough begins to deepen across the central CONUS. Temperatures will moderate over the weekend to near daily highs potentially again on Sun across NE FL. Generally cooling trend back toward near to just below climo early next week with more cloudiness/convection.

AVIATION. [Through 06Z Thursday]

Increasing chances of low clouds, mainly MVFR cigs, from the southwest early this morning. Low clouds lift to VFR through the day as showers and storms move in from the northwest. Scattered showers with a chance for thunderstorms will likely affect most terminals after 18Z. The highest chance for rain will be SSI, JAX, VQQ, and CRG. Westerly winds develop today with the potential for gusts up to 20 knots mainly for GNV.

MARINE.

Long period northeast swells subside tonight. Surface high pressure will remain south of the area through Thursday which will continue west-southwest winds for the area waters. An isolated thunderstorm will be possible this afternoon into evening for the coastal waters. A cold front is forecast to move into the forecast area by Thursday night and Friday with stronger northerly winds expected Friday. The cold front will lift back north as a warm front over the local area Saturday night.

Rip Currents: Moderate risk for NE FL and SE GA beaches today.

FIRE WEATHER.

Warmer, unstable, and more moist southwest flow develops today between high pressure south of the area and a front approaching from the north. Breezy WSW winds will gust near 20 mph by early afternoon with a weak east coast sea breeze pinned near the Atlantic coast due to stronger SW flow. Scattered showers and thunderstorms will increase in coverage across SE Georgia through midday with less coverage of showers and storms southward toward the I-10 corridor of NE Florida into the evening. Isolated shower and thunderstorm potential again on Thursday as yet another front slides south across the local area. Gusty WSW winds are expected expected Thu as highs warm into the 90s with high dispersion. Despite a low chance of rain, RHs will trend drier especially north of the I-10 corridor where minimum values will range near 40%.

HYDROLOGY.

A couple of gauges along the Atlantic coast have risen into Action Stage during high tide over the past 12-24 hours. Water levels continue to rise through the next couple of days with the peak of astronomical tidal rise tonight (Apr 8-9) coinciding with offshore flow with negligible 'surge' impact. Total astronomical tide inundation of 1-1.5 ft is possible per PETSS guidance. A Coastal Flood Statement continues today to account for nuisance flooding along the coast as water levels more uniformly rise into Action Stage.

CLIMATE.

Near record high temperatures expected Thu 4/9. Below are current standing records for official climate sites for the date:

Site Current Record High/Year Set JAX 92/2011 GNV 89/2011 AMG 91/1978 SSI 89/2011 CRG 91/2011

PRELIMINARY POINT TEMPS/POPS.

AMG 84 68 88 58 71 / 60 40 20 10 20 SSI 82 69 87 58 71 / 40 40 20 10 30 JAX 87 70 92 59 73 / 40 20 20 10 30 SGJ 85 69 88 60 71 / 20 10 20 20 40 GNV 86 69 88 60 72 / 10 10 20 20 40 OCF 86 69 86 64 75 / 10 20 20 20 50

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
GTXF1 - Guana Tolomato Matanzas Reserve, FL 15 mi109 min S 1 64°F 1015 hPa63°F
SAUF1 - St. Augustine, FL 24 mi34 min SW 1.9 G 2.9 66°F 70°F1014.5 hPa (+1.4)
41117 38 mi64 min 70°F2 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 24hrCalmCalmCalmE5E6E7E7E7E8E6SE6----------------------CalmCalm
1 day agoN5NE7--E8E8E7E9E9
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E7E7----------------------CalmCalm
2 days agoCalmCalmSE6E5SE3SE4S4SE3SE3SE3SE3----------------------N3N5

Tide / Current Tables for Sutherlands Still, Dunns Creek, Florida
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Sutherlands Still
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Wed -- 04:26 AM EDT     4.57 feet High Tide
Wed -- 07:07 AM EDT     Sunrise
Wed -- 07:42 AM EDT     Moonset
Wed -- 11:35 AM EDT     3.47 feet Low Tide
Wed -- 04:50 PM EDT     4.53 feet High Tide
Wed -- 07:49 PM EDT     Sunset
Wed -- 08:44 PM EDT     Moonrise
Wed -- 11:51 PM EDT     3.46 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.53.84.24.44.64.54.44.13.83.63.53.53.53.644.34.54.54.44.23.93.73.63.5

Tide / Current Tables for Palatka, St. Johns River, Florida
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Palatka
Click for Map
Wed -- 04:09 AM EDT     5.14 feet High Tide
Wed -- 07:07 AM EDT     Sunrise
Wed -- 07:42 AM EDT     Moonset
Wed -- 10:53 AM EDT     3.67 feet Low Tide
Wed -- 04:38 PM EDT     5.11 feet High Tide
Wed -- 07:49 PM EDT     Sunset
Wed -- 08:44 PM EDT     Moonrise
Wed -- 11:07 PM EDT     3.70 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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44.44.855.15.14.84.44.13.83.73.73.84.14.64.95.15.14.94.54.23.93.83.7

Weather Map
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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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Wind Forecast for Jacksonville, FL (8,2,3,4)
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Ground Weather Radar Station Jacksonville, FL
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Disclaimer:
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.