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

June 20, 2024 2:48 AM EDT (06:48 UTC) Change Location
Sunrise 6:22 AM   Sunset 8:31 PM
Moonrise 6:39 PM   Moonset 3:48 AM 
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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.

Marine Forecasts
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AMZ452 Expires:202406202115;;333214 Fzus52 Kjax 200559 Cwfjax
coastal waters forecast for northeast florida/southeast georgia national weather service jacksonville fl 159 am edt Thu jun 20 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.
amz450-452-454-202115- 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- 159 am edt Thu jun 20 2024

.small craft advisory in effect through Friday afternoon - .

Today - East to northeast winds 20 to 25 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave detail: northeast 7 feet at 7 seconds. Intracoastal waters choppy. A chance of showers and isolated Thunderstorms, mainly this morning.

Tonight - Northeast winds 20 to 25 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave detail: northeast 7 feet at 7 seconds. Intracoastal waters rough. Showers with a chance of Thunderstorms.

Friday - East winds around 20 knots, becoming southeast 10 to 15 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: east 7 feet at 9 seconds. Intracoastal waters choppy. Showers with a slight chance of Thunderstorms.

Friday night - Southeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: east 5 feet at 9 seconds and northeast 2 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of Thunderstorms. Showers likely, mainly in the evening.

Saturday - Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 8 seconds. Intracoastal waters light chop. A slight chance of Thunderstorms. A chance of showers in the morning, then showers in the afternoon.

Saturday night - Southeast winds 10 to 15 knots, becoming south 5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 3 feet at 8 seconds. Intracoastal waters a moderate chop. A chance of showers with a slight chance of Thunderstorms.

Sunday through Monday - Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. Showers with a slight chance of Thunderstorms.
winds and waves higher in and near Thunderstorms.

AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 159 Am Edt Thu Jun 20 2024

Synopsis -
strong high pressure centered off the new england coast will maintain strong onshore winds and small craft advisory level winds and seas through tonight. Coastal troughing that is situated over our local waters will continue to generate occasional fast moving showers and isolated Thunderstorms through tonight. Meanwhile, a trough that is generating disorganized Thunderstorm activity to the east of the bahamas will be steered westward, with this feature approaching our local waters late tonight. Showers and Thunderstorms will briefly increase in coverage as this trough moves across our region Friday morning. High pressure will then weaken while shifting further eastward over the atlantic this weekend, allowing for diminishing winds and seas. Prevailing southerly winds are expected by early next week, with scattered to numerous Thunderstorms remaining possible as another trough settles over the southeastern states.

Gulf stream -
the approximate location of the west wall of the gulf stream as of jun 18, 2024 at 1200 utc - .
57 nautical miles east of flagler beach. 66 nautical miles east of saint augustine beach. 75 nautical miles east of jacksonville beach. 88 nautical miles east 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 200537 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 137 AM EDT Thu Jun 20 2024

New NEAR TERM, SHORT TERM, LONG TERM, AVIATION, MARINE

NEAR TERM
(Today and Tonight)
Issued at 122 AM EDT Thu Jun 20 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

Strong onshore/Easterly flow will continue today with scattered showers and isolated storms moving onshore at times with gusty winds to 35-40 mph. Max temps will remain at or slightly below normal with highs in the middle 80s at the Atlantic beaches, upper 80s along the I-95 corridor and around 90F over far inland areas.
Inverted surface trough approaches from the East over the Coastal Waters tonight and likely arrives at the NE FL Coastal areas late tonight with numerous showers and embedded thunderstorms with heavy rainfall and gusty wind potential. Still appears as this feature is moving too fast to become organized into significant tropical system, but some convective gusts to gale force and localized flooding possible in urban areas and along the beachfront locations during times of high tide late tonight. The elevated winds tonight will keep temps above normal in the 70s inland and near 80 along the Atlantic Coastal areas, but may drop a few degrees lower in heavier rainfall activity.

SHORT TERM
(Friday through Saturday night)
Issued at 122 AM EDT Thu Jun 20 2024

Area of low pressure in an inverted trough will move west across north central FL Friday morning. Expecting showers with embedded thunderstorms with this feature, along with elevated winds and gusts. Highs Friday will be a little cooler than normal due the clouds and rainfall passing through.

High pressure will build to the northeast behind the trough Friday afternoon through Saturday. This pattern will continue the onshore flow pattern, but the gradient will be more relaxed, so so not expecting winds to be as elevated. Above average shower chances will continue in the onshore flow. Diurnal heating could lead to a few afternoon storms on Saturday. Lows Friday night will generally be in the lower to mid 70s, except a little warmer near the coast.
Temperatures Saturday will trend above normal, with highs ranging from the lower 90s at the coast, to the mid 90s inland.

The high will move further away to the east northeast Saturday night, with the flow becoming more from the south/southeast. Lows away from the coast in the mid 70s, upper 70s coast.

LONG TERM
(Sunday through Wednesday)
Issued at 122 AM EDT Thu Jun 20 2024

The high will continue to drift away to the east this period, as a trough moves into the southeastern US and stalls. An increasingly moist southwest flow will become the trend this period. This pattern will produce above normal chances for showers and thunderstorms.
Temperatures will be above normal throughout this period.

AVIATION
(06Z TAFS)
Issued at 122 AM EDT Thu Jun 20 2024

Bands of showers with MVFR CIGS/VSBYS will continue to move onshore early this morning with a break in the rainfall for most of the day today with gusty E-NE winds at 15G25 knots and widely scattered showers (VCSH). As winds become more NE tonight after sunset expect more widespread MVFR CIGS to develop.

MARINE
Issued at 122 AM EDT Thu Jun 20 2024

Small Craft Advisories will continue through Tonight with East winds in the 20-25 knot range with frequent gusts to 30 knots at times. Models still on track with inverted surface trough under area of low pressure aloft pushing into the FL East Coast Atlantic waters later Tonight and/or Early Friday which will likely continue strong onshore flow at Small Craft Advisory levels with low chances of potential Gale Force winds if an organized low pressure center can develop. Winds will then shift to the Southeast following the wave by this weekend with a decrease in wind speeds to 10-15 knots and slowly subsiding seas below headline levels.

Rip Currents: The strong onshore flow will continue a high risk of rip currents with surf/breakers of 5-7 ft Today and Friday, along with high surf headlines continuing along the NE FL coastal areas. With the approach of the full moon later this week, water levels will start to run above normal but coastal flooding is not expected at this time in the onshore flow.

PRELIMINARY POINT TEMPS/POPS
AMG 90 69 91 72 / 20 20 60 30 SSI 85 76 87 76 / 30 70 80 50 JAX 87 74 88 75 / 60 70 90 40 SGJ 86 75 88 77 / 50 90 90 40 GNV 90 72 91 72 / 40 30 90 20 OCF 91 72 94 75 / 30 30 90 20

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

High Surf Advisory until 5 PM EDT Friday for FLZ124-125-133-138.

GA...High Rip Current Risk through Friday afternoon for GAZ154-166.

AM...Small Craft Advisory until 5 PM EDT Friday for AMZ450-452-454- 470-472-474.




Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 2 mi55 minE 15G22 79°F 83°F30.16
LTJF1 3 mi55 min 77°F 76°F
BLIF1 7 mi55 minE 8.9G12 78°F 30.1578°F
DMSF1 8 mi55 min 84°F
JXUF1 12 mi55 min 83°F
NFDF1 12 mi55 minNNE 6G8.9 75°F 30.1375°F
FRDF1 - 8720030 - Fernandina Beach, FL 20 mi55 minE 7G13 78°F 82°F30.14
BKBF1 21 mi55 minENE 12G14 77°F 30.13
41112 - Offshore Fernandina Beach, FL (132) 23 mi49 min 80°F 83°F6 ft
KBMG1 27 mi49 min 77°F 30.16
41117 32 mi53 min 83°F7 ft
SAUF1 - St. Augustine, FL 38 mi49 minE 19G22 81°F 83°F30.1181°F


Wind History for Fernandina Beach, FL
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Airport Reports
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Link to 1 hour of 5 minute data for KNRB
   
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Wind History graph: NRB
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Tide / Current for St. Johns River at Navy degaussing structure, Florida
   
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St. Johns River at Navy degaussing structure
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Wed -- 12:46 AM EDT     -1.34 feet Low Tide
Wed -- 04:05 AM EDT     Moonset
Wed -- 06:23 AM EDT     Sunrise
Wed -- 06:43 AM EDT     1.92 feet High Tide
Wed -- 12:27 PM EDT     -1.76 feet Low Tide
Wed -- 06:35 PM EDT     Moonrise
Wed -- 07:13 PM EDT     3.17 feet High Tide
Wed -- 08:30 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

St. Johns River at Navy degaussing structure, Florida, Tide feet
12
am
-1.2
1
am
-1.3
2
am
-1
3
am
-0.3
4
am
0.5
5
am
1.3
6
am
1.8
7
am
1.9
8
am
1.5
9
am
0.7
10
am
-0.4
11
am
-1.3
12
pm
-1.7
1
pm
-1.7
2
pm
-1.1
3
pm
-0.2
4
pm
1
5
pm
2
6
pm
2.8
7
pm
3.2
8
pm
3
9
pm
2.3
10
pm
1.1
11
pm
-0.1


Tide / Current for St. Johns River Entrance, Florida Current
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St. Johns River Entrance
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Wed -- 03:41 AM EDT     0.00 knots Slack
Wed -- 04:05 AM EDT     Moonset
Wed -- 05:57 AM EDT     1.32 knots Max Flood
Wed -- 06:23 AM EDT     Sunrise
Wed -- 08:54 AM EDT     -0.00 knots Slack
Wed -- 11:33 AM EDT     -1.83 knots Max Ebb
Wed -- 03:17 PM EDT     0.00 knots Slack
Wed -- 06:11 PM EDT     2.19 knots Max Flood
Wed -- 06:35 PM EDT     Moonrise
Wed -- 08:30 PM EDT     Sunset
Wed -- 09:36 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
-1.7
2
am
-1.3
3
am
-0.6
4
am
0.3
5
am
1.1
6
am
1.3
7
am
1.1
8
am
0.7
9
am
-0.1
10
am
-1.1
11
am
-1.7
12
pm
-1.8
1
pm
-1.5
2
pm
-1
3
pm
-0.3
4
pm
0.7
5
pm
1.7
6
pm
2.2
7
pm
2
8
pm
1.5
9
pm
0.7
10
pm
-0.5
11
pm
-1.5


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GEOS Local Image of southeast   
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Jacksonville, FL,




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