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

June 26, 2024 12:16 PM EDT (16:16 UTC) Change Location
Sunrise 6:25 AM   Sunset 8:30 PM
Moonrise 11:25 PM   Moonset 10:07 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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AMZ454 Expires:202406262130;;966347 Fzus52 Kjax 261426 Cwfjax
coastal waters forecast for northeast florida/southeast georgia national weather service jacksonville fl 1026 am edt Wed jun 26 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.
amz450-452-454-262130- 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- 1026 am edt Wed jun 26 2024

Rest of today - South winds 5 to 10 knots, becoming southeast 10 to 15 knots this afternoon. Seas around 2 feet. Wave detail: southeast 2 feet at 3 seconds and southeast 2 feet at 7 seconds. Intracoastal waters a moderate chop. A chance of showers and Thunderstorms this afternoon.

Tonight - Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: south 2 feet at 4 seconds and southeast 2 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of showers and Thunderstorms in the evening.

Thursday - South winds around 10 knots. Seas 2 to 3 feet. Wave detail: southwest 2 feet at 3 seconds and southeast 2 feet at 9 seconds. Intracoastal waters light chop. A chance of showers and Thunderstorms in the afternoon.

Thursday night - Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: south 2 feet at 4 seconds and east 2 feet at 9 seconds. Intracoastal waters light chop. A chance of showers. A chance of Thunderstorms, mainly in the evening.

Friday - Southwest winds 5 to 10 knots, becoming southeast in the afternoon. Seas 2 to 3 feet. Wave detail: south 2 feet at 4 seconds and southeast 2 feet at 9 seconds. Intracoastal waters light chop. A slight chance of showers and Thunderstorms in the morning, then a chance of showers and Thunderstorms in the afternoon.

Friday night - South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 4 seconds and east 2 feet at 9 seconds. Intracoastal waters a moderate chop. A chance of showers. A chance of Thunderstorms, mainly in the evening.

Saturday through Sunday - South winds 10 to 15 knots. Seas 2 to 3 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- 1026 Am Edt Wed Jun 26 2024

Synopsis -
high pressure ridging over the area with fairly consistent troughing will create winds predominately from the southwest in the mornings and overnight and then shifting to south- southeasterly in the afternoons as the sea-breeze makes its way onshore. Daily afternoon showers and storms are possible over the local waters into the weekend that could linger into the evening hours.

Gulf stream -
the approximate location of the west wall of the gulf stream as of jun 22, 2024 at 1200 utc - .
78 nautical miles east of flagler beach. 83 nautical miles east of saint augustine beach. 89 nautical miles east of jacksonville beach. 93 nautical miles east of st simons island.
this data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near St. Augustine Beach, FL
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Area Discussion for - Jacksonville, FL
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FXUS62 KJAX 261300 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 900 AM EDT Wed Jun 26 2024

New UPDATE

UPDATE
Issued at 842 AM EDT Wed Jun 26 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

Forecast looks to be on track with showers and thunderstorms beginning to pop up around noon mainly for NE FL with some 10% values along the SE GA coast. Showers and storms will increase into the afternoon as diurnal heating ramps up and light southerly flow allows the sea- breezes to make their way inland. Heat indices will be over 100 degrees area wide, reaching heat advisory levels along the Atlantic coast north of St. Johns county and in the Suwannee valley this afternoon.

NEAR TERM
Issued at 322 AM EDT Wed Jun 26 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

Light southerly flow today will allow the sea breezes to develop and push inland, with highs soaring into the mid to upper 90s inland, with slightly cooler temps along the coast. Heat indices will climb into the 105-112 degree range this afternoon during peak heating, prompting a Heat Advisory issuance along the Atlantic coast north of St. Johns county and in the St. Johns river basin, as well in the Suwannee valley area.

Showers and thunderstorms will fire up along the Gulf sea breeze in the late morning/early afternoon hours, and progress inland, later interacting with the east coast sea breeze and sparking up numerous showers with embedded thunderstorms over NE FL. The primary hazards will be gusty winds and locally heavy rainfall as PWATs rise above 2.0" across NE FL. With drier air over most of SE GA, precipitation will be more limited, and heat indices will be lower for inland areas as opposed to NE FL. Convection will taper off after sunset with the loss of diurnal heating, lows will stay mild in the mid 70s.

SHORT TERM
(Thursday through Friday night)
Issued at 322 AM EDT Wed Jun 26 2024

Troughing aloft will dig across the southeastern states on Thursday, with southwesterly flow deepening ahead of a decelerating frontal boundary that will stall across southeast GA by Thursday night.
Convection will likely get an early start along the FL Nature and Big Bend coasts, with scattered showers and thunderstorms then filling in across the rest of the Suwannee Valley and north central FL during the late morning hours as the Gulf Coast sea breeze gets propelled quickly inland. Additional forcing from the approaching frontal boundary and mesoscale boundary collisions should result in numerous showers and thunderstorms across the rest of northeast and north central FL, mainly during the early to mid afternoon hours, while convection likely increases in coverage across southeast GA during the mid to late afternoon hours along and ahead of the frontal boundary. Strengthening low level southwesterly flow will delay the development of the Atlantic sea breeze boundary until the mid-afternoon hours, with this boundary remaining pinned east of I-95 through late afternoon, allowing for another day of highs in the mid 90s all the way to the coast in northeast FL and southeast GA, while late development of of convection allows for highs to reach the upper 90s for locations north of Interstate 10. Maximum heat index values will again approach Heat Advisory criteria, especially for the coastal counties, where convection will likely not arrive until the mid afternoon hours.

Storms may pulse and briefly become strong, especially at coastal locations near the pinned Atlantic sea breeze boundary and also across inland southeast GA near the frontal boundary, with stronger storms being capable of producing downburst winds of 40-50 mph along with frequent lightning strikes and briefly heavy downpours.
East-northeasterly storm motion should be faster than in previous days, reducing overall rainfall amounts for our area.

Convection may linger into the evening hours on Thursday for locations closer to the frontal boundary in southeast GA. Activity should diminish before midnight, with debris cloudiness gradually thinning overnight. Another round of predawn convection is expected to develop along the FL Big Bend and Nature Coasts on Friday, with convection possibly moving across north central FL and the Suwannee Valley around sunrise. Lows will generally fall to the mid 70s inland and the upper 70s at coastal locations.

Troughing aloft will begin to de-amplify across the southeastern states on Friday as "Heat Wave" ridging expands eastward from Texas and the lower Mississippi Valley. Southwesterly low and mid-level flow will continue across our region as the frontal boundary dissipates near the FL/GA border. Convection will again be driven initially by the inland moving Gulf coast sea breeze, with scattered showers and thunderstorms likely progressing across the I-75 corridor during the mid to late morning hours, reaching the I-95 corridor in northeast FL by early afternoon. Convection should then increase in coverage across southeast GA during the mid to late afternoon hours along the dissipating frontal boundary. Mid-level temperatures will remain mild and east-northeasterly storm motion should remain brisk, with convection potentially pulsing as it encounters the pinned Atlantic sea breeze boundary along the I-95 corridor in northeast FL early in the afternoon, while pulsing storms then shift to southeast GA during the mid to late afternoon hours. Highs will generally reach the low to mid 90s area-wide, with heat index values expected to remain just below Heat Advisory criteria (108 degrees).

Showers and thunderstorms may diminish more quickly on Friday evening as ridging aloft builds into our region and the axis of Atlantic surface ridging begins to lift northward across the FL peninsula, resulting in weakening southwesterly low and mid level flow. Lows again will fall to the mid 70s inland and the upper 70s to around 80 at coastal locations.

LONG TERM
(Saturday through Tuesday)
Issued at 322 AM EDT Wed Jun 26 2024

Ridging aloft will briefly build into the southeastern states this weekend before retrograding westward early next week as troughing progresses across the Great Lakes states and New England early next week. The axis of Atlantic high pressure will lift northward this weekend, creating a south-southeasterly low level flow across our region. This change in the flow pattern will allow for the Atlantic sea breeze boundary to progress further inland, setting up a collision with the Gulf coast sea breeze for locations along and west of U.S.
Highway 301 on Saturday and Sunday afternoons, where numerous thunderstorms are forecast. Scattered convection will otherwise be possible along these inland moving mesoscale boundaries, with showers and thunderstorms generally diminishing at inland locations during the mid to late evening hours. Ridging aloft will allow inland highs to soar to the mid to upper 90s, with coastal highs remaining closer to 90 as the sea breeze develops earlier in the afternoon hours.
Lows this weekend will generally fall to the mid 70s inland, ranging to around 80 at coastal locations.

Troughing aloft diving southeastward towards the New England and Mid-Atlantic coasts early next week will drive another weakening frontal boundary into the southeastern states. Low and mid level flow will veer to southwesterly as the axis of Atlantic high pressure sinks southward, resulting in convection being driven by the inland moving Gulf coast sea breeze across northeast and north central FL, while numerous afternoon and evening thunderstorms develop across southeast GA near the approaching frontal boundary. Stronger storms will be possible along the I-95 corridor as convection potentially intersects a pinned Atlantic sea breeze boundary. Long range guidance indicates that troughing aloft will then progress offshore of the Mid-Atlantic and New England coasts by late Tuesday, allowing ridging to again build back into the southeastern states. Scattered to numerous mainly afternoon and evening thunderstorms are expected again on Tuesday as PWATs remain seasonably high and lighter southwesterly low and mid level flow allows for convection to develop along inland moving sea breeze boundaries. Highs will likely remain slightly above seasonal averages early next week.

AVIATION
(12Z TAFS)
Issued at 633 AM EDT Wed Jun 26 2024

VFR conditions expected at the TAF sites this morning, with thunderstorms developing this afternoon. PROB30s are in place for most of the TAF sites today for best timing of thunderstorms.

MARINE
Issued at 322 AM EDT Wed Jun 26 2024

Fairly persistent troughing will be north northwest of the area through the upcoming weekend. High pressure ridge will be east of the region through Wednesday, then to the east southeast into Thursday. The high will be located to the northeast Friday through the weekend. Daily showers and thunderstorms will develop over the local waters through the weekend.

Rip Currents: Moderate rip current risk for NE FL and SE GA beaches today.

PRELIMINARY POINT TEMPS/POPS
AMG 99 74 96 74 / 30 10 50 30 SSI 91 77 93 79 / 40 20 50 30 JAX 95 74 96 75 / 50 20 60 20 SGJ 94 76 94 78 / 50 30 50 30 GNV 94 74 93 75 / 70 30 60 20 OCF 93 76 92 76 / 70 20 60 20

JAX WATCHES/WARNINGS/ADVISORIES
FL...Heat Advisory from noon today to 7 PM EDT this evening for FLZ021-024-033-120-124-125-132-133-220-225-232-325-425.

GA...Heat Advisory from noon today to 7 PM EDT this evening for GAZ153-154-162-165-166.

AM...None.




Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
SAUF1 - St. Augustine, FL 1 mi17 minSE 8G8.9 87°F 84°F29.9387°F
41117 13 mi21 min 85°F2 ft
GTXF1 - Guana Tolomato Matanzas Reserve, FL 15 mi92 minW 1.9 87°F 29.9877°F
BKBF1 32 mi47 minS 5.1G7 89°F 29.92
LTJF1 37 mi47 min 87°F 79°F
JXUF1 38 mi47 min 87°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 38 mi47 minWNW 5.1G8 87°F 84°F29.95
BLIF1 39 mi47 minWSW 5.1G7 89°F 29.9579°F
DMSF1 39 mi47 min 86°F
NFDF1 41 mi47 minWSW 4.1G8 90°F 29.9382°F
41069 47 mi69 minSSW 3.9G5.8 82°F 84°F29.9577°F
41070 47 mi57 min 84°F1 ft


Wind History for I-295 Bridge, St Johns River, FL
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KSGJ NORTHEAST FLORIDA RGNL,FL 8 sm20 minvar 048 smPartly Cloudy91°F75°F59%29.95
Link to 1 hour of 5 minute data for KSGJ
   
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Wind History graph: SGJ
(wind in knots)
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Tide / Current for St. Augustine Beach, Florida (2)
   
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St. Augustine Beach
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Wed -- 12:01 AM EDT     5.68 feet High Tide
Wed -- 06:20 AM EDT     0.33 feet Low Tide
Wed -- 06:26 AM EDT     Sunrise
Wed -- 11:07 AM EDT     Moonset
Wed -- 12:26 PM EDT     5.07 feet High Tide
Wed -- 06:28 PM EDT     0.57 feet Low Tide
Wed -- 08:29 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

St. Augustine Beach, Florida (2), Tide feet
12
am
5.7
1
am
5.4
2
am
4.6
3
am
3.3
4
am
2
5
am
0.9
6
am
0.4
7
am
0.5
8
am
1.3
9
am
2.4
10
am
3.5
11
am
4.5
12
pm
5
1
pm
5
2
pm
4.4
3
pm
3.4
4
pm
2.2
5
pm
1.2
6
pm
0.6
7
pm
0.7
8
pm
1.4
9
pm
2.4
10
pm
3.6
11
pm
4.6


Tide / Current for East Tocoi, St. Johns River, Florida (4)
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East Tocoi
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Wed -- 12:55 AM EDT     -0.07 feet Low Tide
Wed -- 06:27 AM EDT     Sunrise
Wed -- 06:37 AM EDT     1.04 feet High Tide
Wed -- 11:08 AM EDT     Moonset
Wed -- 01:47 PM EDT     -0.12 feet Low Tide
Wed -- 07:06 PM EDT     0.90 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.

East Tocoi, St. Johns River, Florida (4), Tide feet
12
am
-0
1
am
-0.1
2
am
0
3
am
0.3
4
am
0.6
5
am
0.8
6
am
1
7
am
1
8
am
0.9
9
am
0.8
10
am
0.5
11
am
0.2
12
pm
0
1
pm
-0.1
2
pm
-0.1
3
pm
0
4
pm
0.3
5
pm
0.6
6
pm
0.8
7
pm
0.9
8
pm
0.9
9
pm
0.8
10
pm
0.6
11
pm
0.4


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Jacksonville, FL,




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