Atlantic Beach, FL Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Atlantic Beach, FL

May 8, 2024 4:35 PM EDT (20:35 UTC) Change Location
Sunrise 6:34 AM   Sunset 8:09 PM
Moonrise 5:43 AM   Moonset 8:08 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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AMZ452 Expires:202405090930;;857741 Fzus52 Kjax 081853 Cwfjax
coastal waters forecast for northeast florida/southeast georgia national weather service jacksonville fl 253 pm edt Wed may 8 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.
amz450-452-454-090930- 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- 253 pm edt Wed may 8 2024

Tonight - South winds around 15 knots, becoming southwest 10 to 15 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 5 seconds. Intracoastal waters a moderate chop.

Thursday - Southwest winds 10 to 15 knots, becoming southeast around 15 knots late in the afternoon. Seas around 3 feet. Wave detail: southeast 3 feet at 6 seconds. Intracoastal waters a moderate chop. A slight chance of showers and Thunderstorms in the afternoon. Strong to severe Thunderstorms will be possible late in the afternoon, with damaging wind gusts, frequent lightning strikes, and hail possible within stronger storms.

Thursday night - Southwest winds around 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. Intracoastal waters a light chop. A chance of showers and Thunderstorms, mainly in the evening. Strong to severe Thunderstorms will be possible, with damaging wind gusts, frequent lightning strikes, and hail possible within stronger storms.

Friday - Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: south 3 feet at 6 seconds. Intracoastal waters a light chop. A chance of showers and Thunderstorms in the morning, then showers and Thunderstorms in the afternoon. Strong to severe Thunderstorms will be possible, with damaging wind gusts, frequent lightning strikes, and hail possible within stronger storms.

Friday night - West winds 10 to 15 knots, becoming northwest after midnight. Seas 2 to 3 feet. Wave detail: west 3 feet at 4 seconds. Intracoastal waters a light chop. A chance of showers and Thunderstorms in the evening.

Saturday and Saturday night - Northwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: east 2 feet at 5 seconds and northeast 2 feet at 9 seconds. Intracoastal waters a light chop.

Sunday - North winds 5 to 10 knots, becoming southeast around 10 knots during the afternoon. Seas around 2 feet. Intracoastal waters a light chop.

Monday - Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Intracoastal waters a light chop. A chance of showers and Thunderstorms in the afternoon.

Monday night - Southeast winds around 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. A chance of showers and Thunderstorms.
winds and waves higher in and near Thunderstorms.

AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 253 Pm Edt Wed May 8 2024

Synopsis -
atlantic high pressure will continue to extend its axis westward across the florida peninsula through Thursday night. Southerly evening wind surges are expected this evening and again on Thursday evening, bringing wind speeds up to caution levels for the offshore waters. Meanwhile, a strong cold front will enter the southeastern states on Thursday night, with chances for showers and Thunderstorms increasing ahead of this boundary from late Thursday afternoon through Friday evening. A few rounds of strong to severe Thunderstorms will be possible during this time frame, with damaging wind gusts, hail, and frequent lightning strikes possible within any severe Thunderstorms that develop. The cold front will cross our local waters on Friday afternoon and evening, with high pressure then gradually building to the north of our area later this weekend and early next week in the wake of this frontal passage, resulting in prevailing onshore winds during this time period.

Gulf stream -
the approximate location of the west wall of the gulf stream as of may 07, 2024 at 1200 utc - .
64 nautical miles east of flagler beach. 73 nautical miles east of saint augustine beach. 85 nautical miles east southeast of jacksonville beach. 99 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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Area Discussion for - Jacksonville, FL
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FXUS62 KJAX 081915 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 315 PM EDT Wed May 8 2024

NEAR RECORD HIGHS CONTINUE THROUGH THURSDAY
...SQUALL LINE OF STRONG TO SEVERE THUNDERSTORMS POSSIBLE LATE ON THURSDAY AFTERNOON AND EVENING FOR LOCATIONS NORTH OF I-10...

STRONG TO ISOLATED SEVERE STORMS POSSIBLE ON FRIDAY

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

SYNOPSIS
Issued at 315 PM EDT Wed May 8 2024

Early afternoon surface analysis depicts Atlantic high pressure (1020 millibars) centered to the south of Bermuda, with this feature extending its axis westward across the FL peninsula.
Meanwhile, a wavy surface front extends from New England and the Mid-Atlantic states westward across the Great Lakes states and then southwestward across the Plains States and the Desert Southwest
Aloft
ridging centered over the Yucatan Peninsula continues to build northeastward across the Gulf of Mexico and across the FL peninsula. Otherwise, a blocking pattern was in place over the Rockies and Plains states, while a potent shortwave trough was progressing east-southeastward across eastern portions of the Great Lakes towards New England. A healthy cumulus cloud field was in place across our region. Temperatures at 19Z ranged from the mid 80s along the immediate coast to the upper 80s and lower 90s at inland locations. Dewpoints were generally in the 60s at inland locations, ranging to the lower 70s at coastal locations.

NEAR TERM
(through Tonight)
Issued at 315 PM EDT Wed May 8 2024

Breezy southwesterly winds in the boundary later overnight will likely advect another stratus layer inland from the northeast Gulf of Mexico across the Suwannee Valley and inland southeast GA after midnight, with this stratus layer then potentially shifting eastward across U.S. Highway 301 during the predawn hours. Lows tonight will only fall to the upper 60s and lower 70s area-wide.

SHORT TERM
(Thursday through Friday night)
Issued at 315 PM EDT Wed May 8 2024

Breezy southwest winds will be in place ahead of a cold front moving south to the area. Ahead of the cold front, a line of showers and storms will begin to move across the area on Thursday afternoon/evening. With the latest update, SPC has placed areas north of Waycross, GA into an Enhanced Risk (level 3 out of 5) for severe thunderstorm development, with the primarily concern of damaging wind gusts (with gusts from 50-70 mph), along with Hail up to 1" as well as the possibility of isolated tornadoes as the line of storms moves through SE GA into NE FL. Storms will begin to move offshore by the early evening hours, allowing for a respite from the more severe storms during the overnight hours.

By Friday morning, activity will begin to increase as the cold front begins to move across the area. The majority of the area will be in a Marginal Risk (1 out of 5) for severe thunderstorm development, again damaging wind gusts will be the main concern for storms that do develop. Activity will begin to dwindle as evening arrives, as the cold front will have move through to the south of NE FL.

Before the cold front's arrival, Thursday's daytime temperatures will again reach near record levels as most areas will see daytime highs in the mid 90s, leading to Heat Index values ranging from the mid 90s to 100s. Temperatures will trend down a bit on Friday as the front begins to move through the area, locations north of the I-10 corridor will top out in the mid to upper 80s, while locations along the St. Johns River Basin will top out in the lower 90s.

LONG TERM
(Saturday through next Wednesday)
Issued at 315 PM EDT Wed May 8 2024

The weekend will be marked by a quiet weather pattern with high pressure beginning to build into the area after the cold front's passage. The next round of activity currently looks to move in during the early portion of the following week as high pressure begins to weaken over the area.

The cold front will usher in cooler temperatures through the weekend and into next week, as daytime temperatures will be in the upper 70s to lower 80s over SE GA and from the lower 80s to upper 80s.

AVIATION
(18Z TAFS)
Issued at 235 PM EDT Wed May 8 2024

VFR conditions will prevail at the regional terminals through at least 06Z Thursday. Low stratus ceilings are expected to overspread GNV by 09Z Thursday, with IFR conditions possible.
However, confidence was too low to include anything lower than 1,000 foot ceilings at this time. Low MVFR ceilings are likely to continue through around 14Z at GNV. MVFR visibilities are likely to develop overnight through around sunrise at VQQ, with periods of IFR conditions possible during the predawn hours on Thursday.
Confidence was too low to include prevailing IFR conditions at VQQ at this time. There is a low possibility of a brief period of MVFR ceilings after sunrise on Thursday at the rest of the terminals, but VFR conditions are expected to prevail at the regional terminals before 15Z Thursday. The Atlantic sea breeze boundary will continue to move slowly inland towards and then across Interstate 95 during the mid to late afternoon hours.
Southeasterly surface winds of 10-15 knots are expected to continue at the SSI and SGJ coastal terminals through around 00Z, with southwesterly surface winds of 10-15 knots elsewhere, except at CRG and JAX terminals, where winds will shift to southeasterly by 22Z as the Atlantic sea breeze pushes westward. Surface winds will then shift to southerly after sunset, with speeds generally diminishing to 5-10 knots by 03Z. Southwesterly surface winds will then quickly increase after sunrise on Thursday, with sustained speeds increasing to 10-15 knots before 15Z.

MARINE
Issued at 315 PM EDT Wed May 8 2024

Atlantic high pressure will continue to extend its axis westward across the Florida peninsula through Thursday night. Southerly evening wind surges are expected this evening and again on Thursday evening, bringing wind speeds up to Caution levels of 15 to 20 knots for the offshore waters. Seas of 2-4 feet will prevail through Thursday night for the near shore waters, with 3-5 foot seas prevailing offshore.

Meanwhile, a strong cold front will enter the southeastern states on Thursday night, with chances for showers and thunderstorms increasing ahead of this boundary from Thursday afternoon through Friday evening. A few rounds of strong to severe thunderstorms will be possible during this time frame, with damaging wind gusts, hail, and frequent lightning strikes possible within any severe thunderstorms that develop. The cold front will cross our local waters on Friday afternoon and evening, with high pressure then gradually building to the north of our area later this weekend and early next week in the wake of this frontal passage, resulting in prevailing onshore winds during this time period. Seas of 2-4 feet will prevail both near shore and offshore from Friday through the weekend.

Rip Currents: Breezy onshore winds developing this afternoon and again on Thursday afternoon will combine with a northeasterly ocean swell to create a moderate rip current risk at all area beaches on both afternoons. Breezy offshore winds on Friday should reduce the risk to low at all area beaches.

FIRE WEATHER
Issued at 315 PM EDT Wed May 8 2024

Southwesterly transport winds will strengthen further on Thursday, creating high daytime dispersion values for most locations east of the Interstate 75 corridor during the afternoon hours.
Otherwise, a hot and dry air mass over our region will result in minimum relative humidity values falling to around 35 percent at most inland locations this afternoon, with minimum values again around 35 percent forecast for most locations east of I-75 on Thursday afternoon. Strong west-southwesterly transport winds on Friday will again create good to marginally high daytime dispersion values, except for high values across portions of north central FL. A few rounds of strong to severe thunderstorms will be possible from Thursday afternoon through Friday evening, with damaging wind gusts, hail, and frequent lightning strikes possible within any severe thunderstorms that develop. Surface and transport winds will shift to northwesterly on Saturday, with a cooler and drier air mass dropping relative humidity values to the 30-35 percent range at inland locations on Saturday afternoon.

CLIMATE
Issued at 1232 PM EDT Wed May 8 2024

Daily record Maximum Temperatures at the local climate sites for...

Today, May 8th
JAX 96/1959
CRG 93/1977
GNV 97/1955
AMG 95/1962

Thursday, May 9th
JAX 96/1962
CRG 93/2008
GNV 95/2011
AMG 95/1962

Friday, May 10th
JAX 94/2017
CRG 95/2003
GNV 95/2011
AMG 95/2011

PRELIMINARY POINT TEMPS/POPS
AMG 69 92 72 85 / 10 40 40 80 SSI 74 93 74 86 / 0 20 40 80 JAX 70 95 73 89 / 0 10 20 80 SGJ 73 95 73 91 / 0 10 10 70 GNV 70 92 72 88 / 0 10 10 80 OCF 71 92 73 89 / 0 0 10 60

JAX WATCHES/WARNINGS/ADVISORIES
FL...None.
GA...None.
AM...None.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 2 mi48 min ESE 7G9.9 82°F 80°F29.89
LTJF1 3 mi48 min 84°F 75°F
BLIF1 7 mi48 min SW 11G14 90°F 29.8869°F
DMSF1 8 mi48 min 82°F
JXUF1 12 mi48 min 85°F
NFDF1 12 mi48 min WSW 7G9.9 93°F 29.8667°F
FRDF1 - 8720030 - Fernandina Beach, FL 20 mi48 min SE 7G11 88°F 81°F29.85
BKBF1 21 mi48 min SSW 5.1G11 91°F 29.85
41112 - Offshore Fernandina Beach, FL (132) 23 mi36 min 78°F 78°F2 ft
KBMG1 27 mi48 min 82°F 29.87
41117 32 mi40 min 77°F2 ft
SAUF1 - St. Augustine, FL 38 mi36 min SE 8.9G9.9 78°F 79°F29.8778°F
GTXF1 - Guana Tolomato Matanzas Reserve, FL 51 mi51 min SE 7 83°F 29.9274°F


Wind History for Fernandina Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KNRB MAYPORT NS (ADM DAVID L MCDONALD FIELD),FL 1 sm44 minSE 1010 smA Few Clouds88°F72°F59%29.87
KCRG JACKSONVILLE EXECUTIVE AT CRAIG,FL 7 sm43 minvar 0610 smPartly Cloudy93°F64°F39%29.86
KFHB FERNANDINA BEACH MUNI,FL 16 sm21 minSE 1010 smPartly Cloudy84°F73°F70%29.87
KJAX JACKSONVILLE INTL,FL 17 sm40 minSW 11G1810 smPartly Cloudy93°F66°F41%29.85
KNIP JACKSONVILLE NAS (TOWERS FLD),FL 19 sm43 minSW 0810 smPartly Cloudy93°F64°F39%29.86
KHEG HERLONG RECREATIONAL,FL 23 sm21 minSW 09G1510 smA Few Clouds91°F66°F44%29.88
Link to 5 minute data for KNRB


Wind History from NRB
(wind in knots)
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Tide / Current for Mayport Naval Station, Degausing Structure, Florida
   
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Mayport Naval Station, Degausing Structure, Florida, Tide feet


Tide / Current for St. Johns River Entrance, Florida Current
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St. Johns River Entrance
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Wed -- 01:45 AM EDT     -2.69 knots Max Ebb
Wed -- 05:41 AM EDT     0.01 knots Slack
Wed -- 06:35 AM EDT     Sunrise
Wed -- 06:42 AM EDT     Moonrise
Wed -- 08:10 AM EDT     2.06 knots Max Flood
Wed -- 11:03 AM EDT     -0.00 knots Slack
Wed -- 01:49 PM EDT     -2.37 knots Max Ebb
Wed -- 05:24 PM EDT     0.01 knots Slack
Wed -- 08:08 PM EDT     Sunset
Wed -- 08:23 PM EDT     3.03 knots Max Flood
Wed -- 09:08 PM EDT     Moonset
Wed -- 11:39 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

St. Johns River Entrance, Florida Current, knots
12
am
-1.8
1
am
-2.6
2
am
-2.7
3
am
-2.5
4
am
-1.9
5
am
-0.9
6
am
0.4
7
am
1.6
8
am
2
9
am
1.9
10
am
1.2
11
am
0.1
12
pm
-1.3
1
pm
-2.2
2
pm
-2.4
3
pm
-2.1
4
pm
-1.5
5
pm
-0.5
6
pm
0.8
7
pm
2.2
8
pm
3
9
pm
2.9
10
pm
2.2
11
pm
1


Weather Map
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GEOS Local Image of Southeast   
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Jacksonville, FL,





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