Sunday, April18, 2021
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Marine Weather and Tides
Palm Valley, FL

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:53AMSunset 7:56PM Sunday April 18, 2021 4:46 PM EDT (20:46 UTC) Moonrise 10:18AMMoonset 12:04AM Illumination 43% Phase: First Quarter Moon; Moon at 7 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:202104190930;;755077 Fzus52 Kjax 181920 Cwfjax Coastal Waters Forecast For Northeast Florida/southeast Georgia National Weather Service Jacksonville Fl 320 Pm Edt Sun Apr 18 2021 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. Amz450-452-454-190930- 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- 320 Pm Edt Sun Apr 18 2021
Tonight..Southwest winds 5 to 10 knots. Seas 1 to 2 feet with a dominant period 10 seconds. Mostly smooth on the intracoastal waters. Showers and chance of Thunderstorms in the evening, then showers likely and slight chance of Thunderstorms after midnight.
Monday..West winds 5 to 10 knots becoming southwest in the afternoon. Seas 1 to 2 feet with a dominant period 10 seconds. A light chop on the intracoastal waters. Chance of showers.
Monday night..South winds 5 knots becoming southeast after midnight. Seas 1 to 2 feet with a dominant period 10 seconds. Smooth on the intracoastal waters. Slight chance of showers in the evening. Chance of showers after midnight.
Tuesday..East winds 5 to 10 knots. Seas 1 to 2 feet. A light chop on the intracoastal waters. Chance of showers. Slight chance of Thunderstorms in the afternoon.
Tuesday night..Southeast winds 5 to 10 knots becoming west after midnight. Seas 1 to 2 feet. Mostly smooth on the intracoastal waters. Slight chance of Thunderstorms in the evening. Slight chance of showers.
Wednesday..West winds 5 to 10 knots. Seas 2 feet. A light chop on the intracoastal waters.
Wednesday night..Northwest winds 15 to 20 knots becoming north after midnight. Seas 3 to 4 feet.
Thursday..North winds 15 to 20 knots becoming northeast 10 to 15 knots in the afternoon. Seas 3 to 4 feet.
Thursday night..Northeast winds 5 to 10 knots. Seas 3 to 4 feet.
Friday..East winds 10 knots. Seas 3 to 4 feet.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 320 Pm Edt Sun Apr 18 2021
Synopsis.. A frontal boundary will remain just south of the local waters through Monday. A low will track along the front on Tuesday and pass near the northeast florida waters on Tuesday. Widespread showers and embedded storms with heavy rainfall are expected through Tuesday night over the northeast florida waters. A secondary cold frontal passage is expected on Wednesday and a surge of northerly winds Wednesday night may bring a brief period of small craft advisory conditions.
Gulf stream.. The approximate location of the west wall of the gulf stream as of apr 17, 2021 at 1200 utc... 62 nautical miles east of flagler beach. 68 nautical miles east of saint augustine beach. 81 nautical miles east of jacksonville beach. 85 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Palm Valley, FL
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location: 30.22, -81.39     debug


Area Discussion for - Jacksonville, FL
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FXUS62 KJAX 181747 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 147 PM EDT Sun Apr 18 2021

AVIATION. [Through 18Z Monday]

Bouts of scattered showers will move through the region until later this afternoon and evening, where another bout of thunderstorms and heavier rains is expected to move through across NE Florida, south of the frontal boundary. Ceilings can be expected to drop to IFR levels during this period with cloud heights remaining low for Florida sites into Monday morning.

PREV DISCUSSION [902 AM EDT].

NEAR TERM [Through Tonight].

Surface frontal boundary has slipped back southward into North Central Florida and expect next wave of showers and embedded storms to mainly impact Northeast Florida through Tonight with lesser rainfall expected across Southeast Georgia. Locally heavy rainfall will continue at times along with a few strong to isolated severe storms with the main threat as hail in elevated cores to the north of the surface boundary, but even some gusty winds will still be able to mix down at times. Severe storm threat mainly expected today and tonight along and south of a line from Gainesville to St Augustine. Abundant cloud cover and rainfall will hold Max Temps in the lower to middle 70s and Min Temps only falling into the upper 50s and lower 60s.

SHORT TERM [Monday Through Tuesday Night].

Monday and Monday Night . Trailing shortwave/impulse pushes frontal boundary all the way southward into Central Florida and this will end rainfall chances across SE GA and limit showers and storms across NE FL and push them mainly south of a line from Gainesville to St Augustine through Monday Night and better chances of partial sunshine should push Max Temps back into the mid to upper 70s for most locations with Min Temps mostly in the 50s Monday Night.

Tuesday and Tuesday Night . Models still in decent agreement that next shortwave impulse aloft will trigger low pressure development along the frontal boundary across the Eastern Gulf of Mexico which will track across North Central Florida with a final round of heavy rainfall which could be the most widespread and intense of the multi-day event and an additional 2-4 inch rainfall totals across NE FL could warrant the need for a Flood Watch depending on rainfall totals Today and Monday. This rainfall event will hold temps at below normal levels with highs only in the lower/middle 70s once again. Rainfall will begin to taper off Tuesday Night as low pressure exits off the Atlc coast after midnight with lows in the upper 50s/near 60 degrees.

LONG TERM [Wednesday Through Saturday].

Wednesday . Low pressure departs into the Atlantic and expect clearing skies with warm temps into the lower 80s for most locations ahead of secondary cold frontal passage that takes place late in the day and ushers in much cooler airmass with lows falling into the 40s inland and lower 50s along the Atlc coast Wednesday Night.

Thursday . Cool northerly flow will lead to below normal temps under Sunny skies with high only around 70 degrees in most locations and another night with lows in the 40s over inland areas for Thursday Night.

Friday . Increasing clouds ahead of next weather system with a return to climo temps with highs in the mid/upper 70s, then enough moisture returns with a few showers possible by late Friday Night.

Saturday . Long range models suggesting a shortwave in the zonal flow aloft will push across the region with numerous to widespread showers and embedded storms with locally heavy rainfall possible once again with temps continuing at near normal levels.

MARINE.

Light offshore flow with no headlines are expected through Monday becoming onshore on Tuesday as low pressure tracks along frontal boundary south of the waters with main impacts still the showers and embedded storms with heavy rainfall at times. A secondary frontal passage on Wednesday will bring a surge of northerly winds around 20 knots Wednesday Night and early Thursday that may lead to Small Craft Advisory conditions.

Rip Currents: Low end Moderate risk of rip currents will continue this weekend with surf/breakers around 2 feet.

FIRE WEATHER.

Low daytime dispersion values will continue due to light surface and transport winds through Tuesday.

HYDROLOGY.

So far the greatest impact of rainfall the past 24 hours has been the 3-6 inch rainfall totals across Marion/Putnam/Flagler counties with only minimal impacts due to antecedent drier conditions and with rainfall to remain locally heavy today and tonight across NE FL will hold off on Flood Watch issuance at this time. The best chances of more significant widespread heavy rainfall will be on Tuesday as low moves along frontal boundary and this may be when a Flood Watch needs to be post for some locations of NE FL south of the I-10 corridor due to the 3-6 inch storm total rainfall amounts expected by Wednesday Morning. Minor River flooding may still be possible along the upper Santa Fe Basin, but greatest flooding impacts will continue to be the metro areas of NE FL including Ocala, Gainesville, Jacksonville and St Augustine thru Tuesday.

PRELIMINARY POINT TEMPS/POPS.

AMG 56 78 54 76 56 / 20 0 10 40 20 SSI 61 75 61 72 61 / 70 10 10 60 20 JAX 61 79 58 74 59 / 100 30 20 60 20 SGJ 62 73 61 72 61 / 100 60 40 80 30 GNV 61 76 58 74 60 / 100 50 40 80 30 OCF 63 74 60 75 62 / 100 80 60 90 40

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
LTJF1 11 mi52 min 71°F 65°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 12 mi52 min W 6 G 7 71°F 69°F1011.8 hPa
BLIF1 14 mi52 min WSW 6 G 7 72°F 1012.2 hPa72°F
DMSF1 15 mi52 min 71°F
JXUF1 15 mi52 min 72°F
BKBF1 16 mi52 min 73°F 1011.4 hPa
NFDF1 18 mi52 min WSW 4.1 G 7 72°F 1011.1 hPa68°F
41117 22 mi50 min 69°F1 ft
SAUF1 - St. Augustine, FL 26 mi46 min E 6 G 7 71°F 68°F1011.5 hPa (-1.3)64°F
FRDF1 - 8720030 - Fernandina Beach, FL 32 mi52 min W 5.1 G 7 73°F 70°F1011.4 hPa
41112 - Offshore Fernandina Beach, FL (132) 34 mi46 min 68°F 67°F2 ft
GTXF1 - Guana Tolomato Matanzas Reserve, FL 40 mi61 min W 1.9 76°F 1012 hPa67°F

Wind History for I-295 Bridge, St Johns River, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Jacksonville Craig Municipal Airport, FL10 mi53 minWSW 710.00 miOvercast74°F65°F74%1011.4 hPa
Mayport Naval Station - Adm David L. McDonald Field, FL12 mi54 minWSW 710.00 miMostly Cloudy73°F66°F79%1011.2 hPa
Jacksonville Naval Air Station, FL15 mi53 minWNW 810.00 miOvercast73°F65°F76%1011 hPa
Northeast Florida Regional Airport, FL18 mi50 minWNW 810.00 miMostly Cloudy76°F66°F72%1011.5 hPa

Link to 5 minute data for KCRG

Wind History from CRG (wind in knots)
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Last 24hrE7E5CalmE5S6W7W6SW6W3SW3W6S3SW3W5SW4S4SW5SW4SW8S7SW9SW8SW8W7
1 day agoNE8E4CalmSE3E3SE4SE4SE3CalmCalmCalmE3N4CalmCalmCalmSE3CalmNE4NE7NE5E3E3E7
2 days agoW6W12
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W4CalmW4W5W8W7W7NW6W7NW5W3NW8NW6--N4NW34NW4CalmE9NE6

Tide / Current Tables for Oak Landing, ICWW, Florida (2)
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Oak Landing
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Sun -- 01:04 AM EDT     Moonset
Sun -- 03:03 AM EDT     1.62 feet High Tide
Sun -- 06:55 AM EDT     Sunrise
Sun -- 09:57 AM EDT     -1.66 feet Low Tide
Sun -- 11:17 AM EDT     Moonrise
Sun -- 02:44 PM EDT     0.84 feet High Tide
Sun -- 07:55 PM EDT     Sunset
Sun -- 10:06 PM EDT     -1.87 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.31.11.51.61.61.30.80.2-0.6-1.3-1.7-1.2-0.30.40.80.80.70.50.2-0.3-0.9-1.5-1.9-1.6

Tide / Current Tables for St. Johns River Entrance, Florida Current
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St. Johns River Entrance
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Sun -- 12:09 AM EDT     2.12 knots Max Flood
Sun -- 01:05 AM EDT     Moonset
Sun -- 03:19 AM EDT     -0.00 knots Slack
Sun -- 05:54 AM EDT     -1.87 knots Max Ebb
Sun -- 06:54 AM EDT     Sunrise
Sun -- 10:19 AM EDT     0.00 knots Slack
Sun -- 11:17 AM EDT     Moonrise
Sun -- 12:35 PM EDT     1.34 knots Max Flood
Sun -- 03:21 PM EDT     -0.00 knots Slack
Sun -- 06:10 PM EDT     -1.65 knots Max Ebb
Sun -- 07:55 PM EDT     Sunset
Sun -- 10:05 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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2.11.91.10.3-0.7-1.6-1.9-1.6-1.3-0.9-0.30.61.21.30.80.2-0.4-1.2-1.6-1.5-1.1-0.7-0.10.8

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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