Saturday, October16, 2021
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Marine Weather and Tides
Callahan, FL

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
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 7:28AMSunset 6:54PM Saturday October 16, 2021 4:29 AM EDT (08:29 UTC) Moonrise 4:10PMMoonset 2:36AM Illumination 77% 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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AMZ452 Expires:202110162115;;758466 Fzus52 Kjax 160638 Cwfjax Coastal Waters Forecast For Northeast Florida/southeast Georgia National Weather Service Jacksonville Fl 238 Am Edt Sat Oct 16 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. Amz450-452-454-162115- 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- 238 Am Edt Sat Oct 16 2021
.small craft advisory in effect from this evening through Sunday evening...
Today..West winds 5 to 10 knots becoming south in the afternoon. Seas 2 to 3 feet with a dominant period 7 seconds. A light chop on the intracoastal waters. Slight chance of showers and Thunderstorms in the afternoon.
Tonight..Northwest winds 15 to 20 knots becoming north 20 to 25 knots after midnight. Seas 3 to 4 feet with a dominant period 7 seconds. Rough on the intracoastal waters. Chance of showers in the evening.
Sunday..North winds 15 to 20 knots with frequent gusts to 30 knots. Seas 4 to 6 feet with a dominant period 6 seconds. Choppy on the intracoastal waters.
Sunday night..North winds 15 to 20 knots becoming northeast 10 to 15 knots after midnight. Seas 4 to 6 feet. Choppy on the intracoastal waters.
Monday..Northeast winds 10 to 15 knots. Seas 3 to 5 feet. A moderate chop on the intracoastal waters.
Monday night..Northeast winds 5 to 10 knots. Seas 3 to 4 feet.
Tuesday..East winds 5 to 10 knots. Seas 2 to 3 feet.
Tuesday night..East winds 5 to 10 knots. Seas 2 to 3 feet.
Wednesday..East winds 5 to 10 knots. Seas 1 to 2 feet.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 238 Am Edt Sat Oct 16 2021
Synopsis.. A cold front will press southeastward into the waters this afternoon and push well offshore late this evening. Showers and embedded Thunderstorms will be possible with the front, especially it shifts offshore tonight. Strong and gusty northerly winds around 15 to 25 knots will develop behind the front. A small craft advisory has been hoisted to highlight hazardous winds tonight through Sunday. Winds will shift northeastward and relax early next week as high pressure shifts north. By midweek the high will shift to northeast and flow should become onshore.
Gulf stream.. The approximate location of the west wall of the gulf stream as of oct 16, 2021 at 1200 utc... 33 nautical miles east northeast of flagler beach. 40 nautical miles east of saint augustine beach. 55 nautical miles east southeast of jacksonville beach. 68 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Callahan, FL
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location: 30.56, -81.74     debug


Area Discussion for - Jacksonville, FL
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FXUS62 KJAX 160652 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 252 AM EDT Sat Oct 16 2021

. COLD FRONT PASSAGE TODAY WITH ISOLATED TSTORMS THIS EVENING .

NEAR TERM [Through Tonight].

Upper ridging over the Florida peninsula has flattened tonight as a mid level trough pivots across the Mississippi valley. At the surface an associated cold front has pressed into Mississippi and northern Alabama as of 2 AM this morning. This front will accelerate into inland southeast GA late this morning and progress southeastward into northeast FL by the late afternoon. Limiting factor for convection today will be lack of forcing, dry air aloft, and a mid level capping inversion aloft. For these reasons, expect most of the activity to be scattered low top showers but a few embedded tstorms will be possible as the front enters northeast FL where better heating may add a bit more instability late this afternoon. The front will shift offshore after midnight tonight with dry air and clear skies filtering into the area in its wake.

This passing front will lead to a drastic cool down tonight after highs this afternoon reach the upper 80s to near 90 degrees in most communities. Dry, cool northerly flow and clear skies tonight allow temps to drop into the 50s tonight in inland areas and the low 60s along the coast. For some perspective on the cool down . the difference between today's highs and Sunday mornings low will be 33-38 degrees!

SHORT TERM [Sunday Through Monday].

Surface/lower level high pressure will dominate the pattern over the Southeast with unseasonably cool temperatures and a low level flow off the ocean. Winds will be northeast at 10 to 15 mph with low relative humidity values. Generally highs in the lower to mid 70s both days, with lows in the 50s on Sunday and the upper 40s along the Altamaha River on Monday morning.

LONG TERM [Tuesday Through Saturday].

Surface high pressure will continue to control the weather across the Southeast through Thursday with a gradual warm up. On Thursday a digging shortwave trough over the Upper Mississippi River Valley will begin to drive the next cold front southeast and a few showers will begin to come in from off the ocean in an east- southeasterly flow. That front will approach the area as a weakening front on Friday with a gradual increase in shower activity in a southerly flow off the Gulf. By Saturday the front will be draped across the Fl-GA State-Line with a second upper level short wave trough digging southeast and driving high pressure toward the region. High temperatures will gradually warm up reaching the mid to upper 80s by the end of the week.

AVIATION. [Through 06Z Sunday]

Aside from patchy fog/mist across at inland airfields along I-75 this morning, VFR conditions are otherwise expected through the period. A cold front will quickly press southeastward across the area today and push offshore late this evening. Scattered showers will reach KSSI first, around 19-20z before shifting south toward KJAX, KVQQ, KCRG, and KGNV around 22-00z. Isolated embedded thunderstorms will be possible with the frontal passage as it moves across northeast FL. Light west winds will increase to 8-12 knots and shift northwest behind the front. Dry air in the wake of the front will bring clear skies through Saturday night.

MARINE.

A cold front will press southeastward into the waters this afternoon and push well offshore late this evening. Showers and embedded thunderstorms will be possible with the front, especially it shifts offshore tonight. Building high pressure behind the front will tighten gradients and bring a period of strong northerly winds around 20 to 25 knots on Sunday. A Small Craft Advisory has been hoisted to highlight potentially hazardous winds tonight through Sunday. Winds will shift northeastward and relax early next week as high pressure shifts north. By midweek the high will shift to northeast and flow should become onshore.

Rip Currents: Offshore winds will continue a Low Rip Risk at area beaches today. Strong, gusty northerly winds behind the cold front will produce a High Rip Risk on Sunday with stronger longshore currents developing.

PRELIMINARY POINT TEMPS/POPS.

AMG 86 51 72 48 74 / 30 0 0 0 0 SSI 87 58 73 57 74 / 30 10 0 0 0 JAX 89 57 75 57 76 / 40 30 0 0 0 SGJ 88 62 75 64 77 / 20 30 0 0 0 GNV 89 56 77 54 79 / 30 30 0 0 0 OCF 89 58 78 55 81 / 20 20 0 0 0

JAX WATCHES/WARNINGS/ADVISORIES. FL . None. GA . None. AM . Small Craft Advisory from 9 PM this evening to 8 PM EDT Sunday 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-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.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NFDF1 13 mi59 min W 1.9G1.9 72°F 1013.8 hPa72°F
DMSF1 15 mi59 min 81°F
BLIF1 16 mi59 min SSW 2.9G4.1 74°F 1014.1 hPa74°F
JXUF1 16 mi59 min 80°F
FRDF1 - 8720030 - Fernandina Beach, FL 17 mi59 min SSE 1.9G2.9 75°F 80°F1013.9 hPa
LTJF1 20 mi59 min 73°F 69°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 20 mi59 min W 2.9G4.1 74°F 81°F1014.3 hPa
41112 - Offshore Fernandina Beach, FL (132) 26 mi59 min 78°F 80°F2 ft
BKBF1 26 mi59 min 72°F 1014.1 hPa
SAUF1 - St. Augustine, FL 55 mi89 min W 5.1G6 74°F 82°F1014.2 hPa (-0.5)70°F
SAXG1 - Sapelo Island Reserve, GA 64 mi89 min S 4.1 71°F 1013 hPa (-1.0)71°F

Wind History for Fernandina Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Jacksonville International Airport, FL5 mi33 minN 010.00 miFair66°F65°F96%1013.6 hPa
Fernandina Beach Municipal Airport, FL15 mi34 minN 010.00 miFair68°F67°F95%1013.9 hPa
Jacksonville Craig Municipal Airport, FL20 mi36 minN 010.00 miFair68°F65°F90%1013.8 hPa
Mayport Naval Station - Adm David L. McDonald Field, FL20 mi37 minWSW 310.00 miFair68°F68°F100%1013.7 hPa
Jacksonville Naval Air Station, FL23 mi36 minWSW 410.00 miFair72°F70°F94%1013.5 hPa

Link to 5 minute data for KJAX

Wind History from JAX (wind in knots)
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Last 24hr0000N3N4N44NE6NE8
G15
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1 day ago0N400N4N3NE330NW6NE4E9NE10NE12NE6NE4NE30000000
2 days agoN3N4N3N4N5N4NE7NE5E5NE9E8NE6NE9E9E7NE4N400N3N4N3N30

Tide / Current Tables for Boggy Creek, 2 mi. above entrance, Florida
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Boggy Creek
Click for Map
Sat -- 03:35 AM EDT     Moonset
Sat -- 03:46 AM EDT     -0.09 feet Low Tide
Sat -- 07:29 AM EDT     Sunrise
Sat -- 09:45 AM EDT     2.77 feet High Tide
Sat -- 04:00 PM EDT     -0.08 feet Low Tide
Sat -- 05:09 PM EDT     Moonrise
Sat -- 06:53 PM EDT     Sunset
Sat -- 10:21 PM EDT     3.05 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Tide / Current Tables for St. Johns River Entrance, Florida Current (3)
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St. Johns River Entrance
Click for Map
Sat -- 02:39 AM EDT     0.00 knots Slack
Sat -- 03:34 AM EDT     Moonset
Sat -- 05:11 AM EDT     2.10 knots Max Flood
Sat -- 07:29 AM EDT     Sunrise
Sat -- 08:12 AM EDT     -0.00 knots Slack
Sat -- 11:29 AM EDT     -1.74 knots Max Ebb
Sat -- 02:58 PM EDT     0.00 knots Slack
Sat -- 05:09 PM EDT     Moonrise
Sat -- 05:38 PM EDT     2.35 knots Max Flood
Sat -- 06:53 PM EDT     Sunset
Sat -- 08:45 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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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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