St. Augustine, FL Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for St. Augustine, FL

May 1, 2024 6:30 PM EDT (22:30 UTC) Change Location
Sunrise 6:40 AM   Sunset 8:04 PM
Moonrise 1:33 AM   Moonset 12:09 PM 
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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.

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Marine Forecasts
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AMZ454 Expires:202405020930;;444739 Fzus52 Kjax 011816 Cwfjax
coastal waters forecast for northeast florida/southeast georgia national weather service jacksonville fl 216 pm edt Wed may 1 2024
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.
amz450-452-454-020930- 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- 216 pm edt Wed may 1 2024

Tonight - South winds 5 to 10 knots, diminishing to around 5 knots late. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 6 seconds. Intracoastal waters light chop.

Thursday - East winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds. Intracoastal waters light chop.

Thursday night - Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 6 seconds. Intracoastal waters light chop.

Friday - Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds. Intracoastal waters light chop.

Friday night - Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds. Intracoastal waters light chop.

Saturday - Southeast winds 5 to 10 knots. Seas around 2 feet. Wave detail: southeast 2 feet at 6 seconds. Intracoastal waters light chop. A slight chance of showers in the afternoon.

Saturday night - Southeast winds around 10 knots. Seas 2 to 3 feet. Intracoastal waters light chop. A slight chance of showers in the evening.

Sunday - Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of showers in the morning, then a slight chance of showers and Thunderstorms in the afternoon.

Sunday night - South winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop.

Monday - South winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop.

Monday night - South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop.
winds and waves higher in and near Thunderstorms.

AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 216 Pm Edt Wed May 1 2024

Synopsis -
winds will be picking up as surges of onshore winds of 8 to 10 knots from the atlantic sea breeze shift inland. Slight chance (10%)for isolated showers and storms over the local waters today as the atlantic sea-breeze pushes its way inland. High pressure ridging dominates the the coastal waters for most of the period with slight chances for showers over the weekend in the afternoon.

Gulf stream -
the approximate location of the west wall of the gulf stream as of apr 30, 2024 at 1200 utc - .
50 nautical miles east of flagler beach. 54 nautical miles east of saint augustine beach. 61 nautical miles east of jacksonville beach. 81 nautical miles east southeast of st simons island.
this data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near St. Augustine, FL
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Area Discussion for - Jacksonville, FL
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FXUS62 KJAX 011849 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 249 PM EDT Wed May 1 2024

New NEAR TERM, SHORT TERM, LONG TERM, FIRE WEATHER

NEAR TERM
Issued at 244 PM EDT Wed May 1 2024

For the latest NE FL and SE GA Daily Key Messages please visit: https:// www.weather.gov/media/jax/briefings/nws-jax-briefing.pdf

As the Atlantic and Gulf coast sea-breeze begin to pick up, so will the chances for rain and isolated storms today and into the evening. PWAT values continue to increase from 1.3" to 1.5" bringing ample moisture to the area. Showers will begin to pop up along the Sea-breeze boundaries as they make their way inland, increasing in chances as daytime heating and sea-breezes converge inland. Severe weather is highly unlikely, with no upper level support and dry air aloft. Temperatures will reach into the upper 80s inland, staying in the low to mid 80s along the coast.
Overnight lows will be in the low to mid 60s with chances of patchy to widespread fog possible in the early morning hours.

SHORT TERM
(Thursday through Friday night)
Issued at 244 PM EDT Wed May 1 2024

A transition to a slightly stronger east coast sea breeze regime with the best chance of scattered late afternoon showers and maybe a thunderstorm focused toward the I-75 corridor & inland SE GA westward where sea breezes and boundaries merge. Thursday, convection will be more limited than today given a building ridge aloft and even drier PWAT near to just below climo values around 1.1 to 1.2 inches, but enough low level instability will be in place to fuel some updrafts near boundary mergers. By Friday, even drier air with PWAT < 1 inch will focus east of Highway 301 while deeper moisture ahead of an approaching short wave trough will move across our western zones during the afternoon and into the evening which could trigger some late day and overnight convection across SE GA. Winds will gust between 20-25 mph at the coast trailing the east coast sea breeze each afternoon into the early evening. Temperatures will trend near to above normal with highs nearing 90 inland to mid 80s coast under the onshore flow. Low temperatures will range in the 60s.

LONG TERM
(Saturday through next Wednesday)
Issued at 244 PM EDT Wed May 1 2024

Sat & Sun...Elevated rain chances this weekend as a slow moving short wave trough crosses the area and interacts with diurnal instability and mesoscale boundaries. The higher shower and t'storm chances will focus across inland SE GA both days, with more scattered convection across NE FL. The main weather concerns this weekend will be localized heavy rainfall given weak storm motion < 10 kts and above normal PWAT over 1.5 inches. Shear and lapse rate profiles do not favor severe thunderstorm potential.
Above normal temperatures in the mid/upper 80s will be tempered by clouds and convection with mild lows in the 60s.

Mon through Wed...A warming to HOT trend ensues next week as 'stacked' high pressure from the surface to aloft builds across the region, which will limit deep convective growth and thus rain chances despite elevated PWATs. Monday, another passing short wave could trigger some showers mainly across SE GA while low level ridging begins to build across the FL peninsula. Upper ridging amplifies across the eastern Gulf Tue & Wed while the low level ridge axis holds across the FL peninsula. Although a rogue sea breeze shower is not completely unlikely, rain chances will be limited with the main weather story being the near record highs in the low to mid 90s for inland areas by Wed.



AVIATION
(18Z TAFS)
Issued at 123 PM EDT Wed May 1 2024

Diurnal heating and the Atlantic and Gulf coast sea-breezes push inland and could produce some isolated to widely scattered showers after 18-20Z at all TAF sites. Best chances for thunderstorms will be at the inland TAF sites where the sea breezes converge. Fog may develop after 07Z for the inland TAF sites.

MARINE
Issued at 338 AM EDT Wed May 1 2024

Winds will be picking up as surges of onshore winds of 8 to 10 knots from the Atlantic sea breeze shift inland. Slight chance (10%)for isolated showers and storms over the local waters today as the Atlantic sea-breeze pushes its way inland. High pressure ridging dominates the the coastal waters for most of the period with slight chances for showers over the weekend in the afternoon.

Rip Currents: High risk of rip currents continue for NE FL beaches today with a moderate risk on Thursday as seas subside.
Moderate risk of rip currents continue for SE GA beaches through Thursday.



PRELIMINARY POINT TEMPS/POPS
AMG 64 90 65 89 / 10 10 0 10 SSI 67 81 67 81 / 0 0 0 10 JAX 66 86 65 86 / 10 10 0 10 SGJ 67 84 67 84 / 10 10 0 10 GNV 64 89 64 89 / 30 30 0 10 OCF 65 90 65 90 / 20 20 0 10

JAX WATCHES/WARNINGS/ADVISORIES
FL...High Rip Current Risk through late tonight for FLZ124-125-133- 138.

GA...None.
AM...None.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
SAUF1 - St. Augustine, FL 3 mi31 min ESE 11G12 75°F 78°F29.9275°F
41117 15 mi95 min 75°F2 ft
GTXF1 - Guana Tolomato Matanzas Reserve, FL 16 mi106 min ESE 7 78°F 29.9870°F
BKBF1 30 mi43 min E 7G9.9 82°F 29.89
LTJF1 35 mi43 min 78°F 69°F
JXUF1 36 mi43 min 77°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 36 mi43 min ESE 8.9G13 77°F 75°F29.93
BLIF1 37 mi43 min ESE 9.9G11 80°F 29.9369°F
DMSF1 37 mi43 min 77°F
NFDF1 40 mi43 min E 9.9G11 80°F 29.9168°F
41069 49 mi83 min 75°F


Wind History for I-295 Bridge, St Johns River, FL
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KSGJ NORTHEAST FLORIDA RGNL,FL 6 sm34 minSE 1010 smClear79°F70°F74%29.94
Link to 5 minute data for KSGJ


Wind History from SGJ
(wind in knots)
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Tide / Current for St. Augustine, city dock, Florida
   
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St. Augustine
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Wed -- 02:26 AM EDT     4.67 feet High Tide
Wed -- 02:32 AM EDT     Moonrise
Wed -- 06:42 AM EDT     Sunrise
Wed -- 07:27 AM EDT     Last Quarter
Wed -- 09:15 AM EDT     0.41 feet Low Tide
Wed -- 01:08 PM EDT     Moonset
Wed -- 03:02 PM EDT     3.80 feet High Tide
Wed -- 08:02 PM EDT     Sunset
Wed -- 09:20 PM EDT     0.46 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

St. Augustine, city dock, Florida, Tide feet
12
am
3.2
1
am
4.1
2
am
4.6
3
am
4.6
4
am
4
5
am
3.1
6
am
2.2
7
am
1.3
8
am
0.7
9
am
0.4
10
am
0.5
11
am
1.1
12
pm
2
1
pm
2.9
2
pm
3.5
3
pm
3.8
4
pm
3.6
5
pm
3
6
pm
2.2
7
pm
1.4
8
pm
0.8
9
pm
0.5
10
pm
0.6
11
pm
1.1



Tide / Current for East Tocoi, St. Johns River, Florida (4)
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East Tocoi
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Wed -- 02:33 AM EDT     Moonrise
Wed -- 03:13 AM EDT     0.28 feet Low Tide
Wed -- 06:43 AM EDT     Sunrise
Wed -- 07:27 AM EDT     Last Quarter
Wed -- 08:55 AM EDT     0.97 feet High Tide
Wed -- 01:09 PM EDT     Moonset
Wed -- 04:19 PM EDT     0.27 feet Low Tide
Wed -- 08:03 PM EDT     Sunset
Wed -- 09:28 PM EDT     0.84 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

East Tocoi, St. Johns River, Florida (4), Tide feet
12
am
0.5
1
am
0.4
2
am
0.3
3
am
0.3
4
am
0.3
5
am
0.4
6
am
0.6
7
am
0.8
8
am
0.9
9
am
1
10
am
0.9
11
am
0.9
12
pm
0.7
1
pm
0.6
2
pm
0.4
3
pm
0.3
4
pm
0.3
5
pm
0.3
6
pm
0.4
7
pm
0.6
8
pm
0.7
9
pm
0.8
10
pm
0.8
11
pm
0.8




Weather Map
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GEOS Local Image of southeast   
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Jacksonville, FL,



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