Sunday, January26, 2020
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Marine Weather and Tides
Atlantic 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 7:18AMSunset 5:57PM Sunday January 26, 2020 4:19 PM EST (21:19 UTC) Moonrise 8:39AMMoonset 7:42PM Illumination 3% Phase: Waxing Crescent; Moon at 2 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:202001270430;;557916 Fzus52 Kjax 262018 Cwfjax Coastal Waters Forecast For Northeast Florida/southeast Georgia National Weather Service Jacksonville Fl 318 Pm Est Sun Jan 26 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. Amz450-452-454-270430- 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- 318 Pm Est Sun Jan 26 2020
Tonight..West winds around 5 knots. Seas 2 to 4 feet. Dominant period 10 seconds. Inland waters smooth. A chance of showers.
Monday..West winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 10 seconds. Inland waters mostly smooth. A chance of showers.
Monday night..Northwest winds increasing to 15 knots. Seas 2 to 4 feet. Dominant period 11 seconds. Inland waters becoming a moderate chop.
Tuesday..North winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 11 seconds. Inland waters a light chop.
Tuesday night..East northeast winds 5 to 10 knots, becoming north after midnight. Seas 2 to 3 feet. Dominant period 11 seconds. Inland waters mostly smooth.
Wednesday..North northeast winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 11 seconds. Inland waters mostly smooth. A chance of showers.
Wednesday night and Thursday..Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers.
Thursday night..East northeast winds 10 to 15 knots. Seas 2 to 4 feet. A slight chance of showers.
Friday..East winds 5 to 10 knots. Seas 2 to 4 feet. A chance of showers.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 318 Pm Est Sun Jan 26 2020
Synopsis.. High pressure settling over our waters this afternoon will weaken as low pressure over the western gulf of mexico progresses east- southeastward. Light showers will be possible overnight through Monday morning as this weakening low pressure approaches southwest florida. Northwesterly winds will briefly strengthen on Monday night as this system moves into the atlantic waters. A weak pressure pattern will then prevail locally on Tuesday and Wednesday as the next upstream low pressure center progresses from northern texas southeastward through the gulf of mexico. Showers are expected to overspread our local waters by Wednesday afternoon or evening as this low pressure center crosses central florida. Onshore winds will prevail late this week as high pressure briefly builds over the southeastern states in the wake of the departing storm system.
Gulf stream.. The approximate location of the west wall of the gulf stream as of jan 25, 2020 at 1200 utc... 59 nautical miles east of flagler beach. 66 nautical miles east of saint augustine beach. 73 nautical miles east of jacksonville beach. 74 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Atlantic Beach, FL
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location: 30.39, -81.4     debug


Area Discussion for - Jacksonville, FL
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FXUS62 KJAX 261749 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 1249 PM EST Sun Jan 26 2020

AVIATION. [Through 18Z Monday]

Increasing cloudiness expected through the period as a disturbance moves in from the west. Mid to high clouds will move in rest of the afternoon with cigs lowering to 6-12 kft after 00z, with a few light showers possible after midnight. Possible MVFR cigs, mainly supported by the NAM, but NBM, SREF, and GFS keep cigs above 4 kft. Only showed possible scattered decks early Monday morning around 1 kft at this time. No vsby significant restrictions expected from patchy to areas of light rain. West to northwest winds about 8 kt or less through the aftn will go light to calm overnight through Monday morning.

PREV DISCUSSION [917 AM EST].

NEAR TERM [Through Tonight].

Seasonally cool with increasing mid/high level clouds from the west today as surface high pressure builds over the local area from the Gulf Coast region. Highs will be within a few degrees on either side of yesterday's realized values generally in the low/mid 60s as skies become mostly to partly cloudy. Light WNW winds will enable a very weak east coast sea breeze to develop during the late afternoon and early evening along the immediate coast where winds will shift ESE.

Warmer tonight with abundant clouds as a mid/upper level trough axis passes overhead while the surface ridge holds firm across north Florida. This passing disturbance will bring a chance of passing light showers tonight, mainly after 03z with the best rain chances across SE GA under stronger forcing. Thunderstorms are not expected given lack of both instability and surface forcing. Low temperatures will moderate above normal values in the mid/upper 40s inland to near 50 along the St. Johns River basin & Atlantic coast.

SHORT TERM [Monday Through Tuesday].

High pressure will weaken on Monday as low pressure moves in from out of the west, bringing in showers throughout the day. Rain development will be pushed southward as high pressure returns on Tuesday, building in over southeast Georgia and northeast Florida Temperatures will be near seasonal normals for the beginning of the week, with daily max temps ranging between the lower to upper 60s and overnight low temperatures in the lower to mid 40s.

LONG TERM [Wednesday Through Sunday].

Low pressure from out of the Gulf will move in over the region again as high pressure weakens on Wednesday. Showers are anticipated for the region from late Wednesday into early Thursday. There will be a brief break in convective development over the area before a low moves through the region between Friday and Saturday. Temperatures will trend towards slightly above seasonal averages by the end of the week and beginning of next weekend, with daily high temperatures ranging between the mid to upper 60s and min temps in the upper 40s and lower 50s by Saturday.

MARINE.

Surface high pressure over the Gulf Coast region will build across the local waters today and tonight as a weak area of low pressure tracks east across the central Gulf of Mexico. Combined seas of 4-6 ft early this morning and WNW winds 15-20 kts over the outer waters will continue Small Craft Exercise Caution conditions, then both winds and seas will further decrease/subside into the afternoon below SCEC conditions as the surface ridge builds over the local waters. Low pressure will weaken offshore of the Florida Gulf Coast Monday and Monday night as high pressure strengthens north of the region. High pressure will dominate north of the local waters Tue-Thu with no headlines expected.

Rip Currents: Moderate rip current risk today with lingering swells near 2-3 ft and periods of 11-13 seconds. Low risk for SE GA Monday and Moderate risk for NE FL beaches.

HYDROLOGY.

Minor river flooding continued along portions of the Altamaha River basin.

PRELIMINARY POINT TEMPS/POPS.

AMG 46 61 42 64 40 / 40 30 10 0 0 SSI 50 62 46 61 45 / 30 20 10 0 0 JAX 48 65 46 66 44 / 20 20 10 0 0 SGJ 50 66 49 64 47 / 10 20 10 0 0 GNV 47 67 46 68 42 / 10 20 10 0 0 OCF 44 69 48 69 44 / 10 10 10 0 0

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
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 2 mi49 min 64°F 58°F1017 hPa
LTJF1 3 mi55 min 63°F 33°F
BLIF1 7 mi55 min 65°F 1017.6 hPa34°F
DMSF1 8 mi49 min 59°F
NFDF1 12 mi49 min 65°F
FRDF1 - 8720030 - Fernandina Beach, FL 20 mi49 min 68°F 57°F1017 hPa
41112 - Offshore Fernandina Beach, FL (132) 23 mi19 min 58°F2 ft
41117 32 mi49 min 61°F3 ft
SAUF1 - St. Augustine, FL 38 mi19 min E 5.1 G 5.1 58°F 58°F1017.2 hPa (-2.0)
GTXF1 - Guana Tolomato Matanzas Reserve, FL 51 mi94 min WNW 4.1 62°F 1019 hPa36°F

Wind History for Fernandina Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Mayport Naval Station - Adm David L. McDonald Field, FL1 mi27 minNW 610.00 miMostly Cloudy65°F34°F32%1016.7 hPa
Jacksonville Craig Municipal Airport, FL8 mi26 minNNW 1010.00 miFair66°F32°F28%1016.9 hPa
Fernandina Beach Municipal Airport, FL16 mi24 minWNW 810.00 miFair65°F33°F31%1016.6 hPa
Jacksonville International Airport, FL17 mi23 minNNW 610.00 miMostly Cloudy66°F32°F28%1016.8 hPa
Jacksonville Naval Air Station, FL18 mi26 minN 610.00 miPartly Cloudy67°F32°F27%1016.8 hPa

Link to 5 minute data for KNRB

Wind History from NRB (wind in knots)
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Last 24hrW8W4NW4W5NW4NW5NW5NW5NW7NW6NW7W6NW4NW4NW4NW4NW4NW7NW9W7SW8W6NW5NW6
1 day agoS5S7S5S3SW5SW6SW5SW5W6CalmW6W7NW6W6W5W5W10NW10NW10W10W8W9W10W9
2 days agoN14N12N10N9N7N8N6N3W3CalmCalmCalmCalmCalmSE5S5E6S10S10SE14S11S11S11S11

Tide / Current Tables for St. Johns River at Navy degaussing structure, Florida
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St. Johns River at Navy degaussing structure
Click for Map
Sun -- 02:38 AM EST     -1.82 feet Low Tide
Sun -- 07:19 AM EST     Sunrise
Sun -- 08:39 AM EST     Moonrise
Sun -- 09:11 AM EST     2.99 feet High Tide
Sun -- 03:19 PM EST     -2.11 feet Low Tide
Sun -- 05:56 PM EST     Sunset
Sun -- 07:41 PM EST     Moonset
Sun -- 09:36 PM EST     2.41 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0-1.1-1.7-1.8-1.3-0.40.71.82.632.820.7-0.6-1.6-2.1-2-1.3-0.30.81.72.32.41.8

Tide / Current Tables for St. Johns River Entrance, Florida Current (2) (expired 1999-12-31)
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St. Johns River Entrance
Click for Map
Sun -- 01:58 AM EST     -2.18 knots Max Ebb
Sun -- 06:14 AM EST     0.00 knots Slack
Sun -- 07:19 AM EST     Sunrise
Sun -- 08:39 AM EST     Moonrise
Sun -- 08:41 AM EST     2.21 knots Max Flood
Sun -- 11:38 AM EST     -0.00 knots Slack
Sun -- 02:38 PM EST     -2.20 knots Max Ebb
Sun -- 05:56 PM EST     Sunset
Sun -- 06:59 PM EST     0.01 knots Slack
Sun -- 07:41 PM EST     Moonset
Sun -- 09:04 PM EST     1.68 knots Max Flood
Sun -- 11:43 PM EST     -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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-1.2-2-2.2-2-1.6-1.1-0.3122.21.70.8-0.5-1.6-2.1-2.2-1.9-1.6-101.21.71.40.7

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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Jacksonville, FL (16,3,4,5)
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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.