Marine Weather and Tide Forecast for St. Augustine Beach, FL
March 19, 2024 9:13 AM EDT (13:13 UTC) Change Location
Sunrise 7:27 AM Sunset 7:37 PM Moonrise 1:44 PM Moonset 3:30 AM |
AMZ454 Expires:202403192115;;003451 Fzus52 Kjax 191126 Cwfjax
coastal waters forecast for northeast florida/southeast georgia national weather service jacksonville fl 726 am edt Tue mar 19 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.
amz450-452-454-192115- 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- 726 am edt Tue mar 19 2024
.small craft advisory in effect until 10 am edt this morning - .
Today - North winds 20 to 25 knots, becoming northeast 5 to 10 knots in the afternoon. Seas 4 to 6 feet with a dominant period 6 seconds, subsiding to 2 to 4 feet with a dominant period 6 seconds in the afternoon. Intracoastal waters rough.
Tonight - South winds 5 to 10 knots, becoming west after midnight. Seas 2 to 3 feet with a dominant period 6 seconds. Intracoastal waters light chop.
Wednesday - West winds 5 to 10 knots, becoming south 10 to 15 knots in the afternoon. Seas 2 to 3 feet with a dominant period 8 seconds. Intracoastal waters a moderate chop.
Wednesday night - Southwest winds 10 to 15 knots, becoming west 5 to 10 knots after midnight. Seas 2 to 3 feet with a dominant period 8 seconds. Intracoastal waters a moderate chop.
Thursday - North winds around 5 knots, becoming east in the afternoon. Seas around 2 feet with a dominant period 8 seconds. Intracoastal waters light chop.
Thursday night - East winds 5 to 10 knots, becoming southeast 10 to 15 knots after midnight. Seas 2 to 3 feet with a dominant period 7 seconds. Intracoastal waters a moderate chop. A chance of showers with a slight chance of Thunderstorms after midnight.
Friday - Southeast winds 15 to 20 knots. Seas 2 to 4 feet, building to 4 to 6 feet in the afternoon. Showers with a slight chance of Thunderstorms.
Friday night - South winds 15 to 20 knots, becoming southwest 10 to 15 knots after midnight. Seas 4 to 6 feet. Showers likely with a chance of Thunderstorms.
Saturday - West winds 10 to 15 knots, becoming northwest 15 to 20 knots in the afternoon. Seas 4 to 6 feet. A slight chance of showers.
Saturday night - North winds 15 to 20 knots. Seas 5 to 7 feet.
winds and waves higher in and near Thunderstorms.
coastal waters forecast for northeast florida/southeast georgia national weather service jacksonville fl 726 am edt Tue mar 19 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.
amz450-452-454-192115- 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- 726 am edt Tue mar 19 2024
winds and waves higher in and near Thunderstorms.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 726 Am Edt Tue Mar 19 2024
Synopsis -
strong northwest to north winds and rough seas expected the first half of today. Winds and seas will subside later today. High pressure will then prevail over the area tonight through Wednesday night.
an area of low pressure will impact the region from the gulf late in the week, likely resulting in a period of small craft advisory conditions into the weekend. Gusts of gale force will also be possible by Saturday night and Sunday in the wake of the low pressure system.
Gulf stream -
the approximate location of the west wall of the gulf stream as of mar 16, 2024 at 1200 utc - .
64 nautical miles east of flagler beach. 73 nautical miles east of saint augustine beach. 82 nautical miles east of jacksonville beach. 94 nautical miles east of st simons island.
this data courtesy of the naval oceanographic office.
strong northwest to north winds and rough seas expected the first half of today. Winds and seas will subside later today. High pressure will then prevail over the area tonight through Wednesday night.
an area of low pressure will impact the region from the gulf late in the week, likely resulting in a period of small craft advisory conditions into the weekend. Gusts of gale force will also be possible by Saturday night and Sunday in the wake of the low pressure system.
the approximate location of the west wall of the gulf stream as of mar 16, 2024 at 1200 utc - .
64 nautical miles east of flagler beach. 73 nautical miles east of saint augustine beach. 82 nautical miles east of jacksonville beach. 94 nautical miles east of st simons island.
this data courtesy of the naval oceanographic office.
Area Discussion for - Jacksonville, FL
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FXUS62 KJAX 191209 AFDJAX
Area Forecast Discussion National Weather Service Jacksonville FL 809 AM EDT Tue Mar 19 2024
New UPDATE
UPDATE
Issued at 802 AM EDT Tue Mar 19 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 on track with high pressure building in from the West and this will continue to diminish northerly winds to 5 to 10 mph by this afternoon under sunny skies and below normal highs only in the 60s. The high pressure ridge axis will extend East to West from the North Gulf Coast across NE FL/SE GA tonight and under clear skies expect below normal temps to continue with lows in the mid/upper 30s inland, which will allow for some patchy frost over inland areas, mainly along and to the west of the US 301 corridor, but likely not enough frost coverage to warrant a Frost Advisory (issued for Widespread Frost coverage). Closer to the Atlantic Coast lows will be in the lower 40s.
NEAR TERM
(Today through Tonight)
Issued at 340 AM EDT Tue Mar 19 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
Colder and much drier air is pouring through the area with a strong pressure rises of 3-6 mb giving support for the gusty winds that have been 30-40 mph in a few places. Even a 44 mph at NAS JAX and SGJ. Pressure rises have diminish a bit since a few hours ago. Dewpoints have also crashed in the 20s and even a few upper teens just to the northwest of the forecast area. Lowest wind chill readings around 7-8 AM this morning will be over inland southeast GA and into the Suwannee Valley in the upper 20s to around 30, and elsewhere in the mid to upper 30s.
For Today, mid/upper level trough will move offshore this period with mid level flow slowly becoming more zonal, with 500 mb heights slowly rising and a shortwave ridge across TX will move ever so slowly east. Surface high across the ARKLATEX area this morning will shift southeast to east, and to a position to across the north Gulf coast with sfc ridge extending across north central FL by tonight. Locally, clear skies and below seasonal temps given the cool advection pattern in place, with highs in the 60s most locations, about 10 deg below normal. Onshore flow at the coast may keep them at only about 59-60 today. Winds will be gusty in the morning to 15-25 mph , but will lighten up through late morning and aftn. Tonight, clear skies and light winds will allow for very good radiational cooling. Will go with a blend of MOS and NBM, leaning toward a bit cooler than NBM. Patchy frost possible well inland were we have some min temps in the middle 30s. Closer to the coast, upper 30s to around 40 as we may a bit off an offshore flow as the high pressure ridge will be toward the FL Big Bend.
SHORT TERM
(Wednesday through Thursday night)
Issued at 340 AM EDT Tue Mar 19 2024
A surface high dominates the region for Wednesday before making its way off the Atlantic Coast Wednesday night. This will create mostly clear skies with temperatures in the low to mid 70s, cooling into the mid to upper 40s inland overnight with coastal temperatures in the low 50s. Thursday, day time temperatures will be in the upper 70s staying a few degrees cooler along the coast.
A surface low will begin to form in the Gulf Thursday night with some upper level instability (shortwave troughs) providing chances for overnight rain showers and thunderstorms late Thursday night into Friday morning.
LONG TERM
(Friday through Monday)
Issued at 340 AM EDT Tue Mar 19 2024
The low pressure that formed in the Gulf will continue to push into the region Friday and make its way though NE FL and SE GA overnight. Scattered showers and thunderstorms will be expected area wide with temperatures staying mostly in the upper 60s for SE GA and low 70s for NE FL. Conditions will begin to clear behind the front with PWAT values dropping under an inch by Sunday with temperatures warming into the mid to upper 70s by Monday.
AVIATION
(12Z TAFS)
Issued at 718 AM EDT Tue Mar 19 2024
VFR with SKC expected through the period. Gusty North winds have started to diminish this morning with just some lingering 10-12 G15-18 knots until around 18Z when more significant weakening trend occurs along with onshore flow at the coastal TAF sites in the 6-8 knot range until sunset (00Z) when winds become near calm inland and VRB03-04 knots along the coast.
MARINE
Issued at 340 AM EDT Tue Mar 19 2024
Strong northwest to north winds expected through the early morning hours with the gale warning remaining in effect. Will tack on a small craft advisory as the gale expires this morning by about 8 AM, with the near-shore SCA lasting only a short time, only about 2-3 hours, and the offshore lasting through late morning or early aftn, with the highest seas expected well offshore waters of Flagler and St Johns counties near 7-8 ft. Winds and seas relax significantly otherwise by tonight as high pressure moves into the region, and the high will shift further south by late Wednesday. A weak backdoor front moves into the Carolinas Thursday, and may drop into southeast GA by Thursday afternoon and probably will stall. A storm system will be develop Thursday into early Friday morning over the GOMEX, with winds becoming more southeasterly Thursday night and increasing and seas building to small craft advisory levels, especially offshore waters. For now, it looks like the low pressure system is progged to move across the FL peninsula Friday night. The low will move offshore to the northeast Saturday morning and afternoon.
The period of small craft advy headlines looks to start Friday morning and continue through the weekend. In fact, winds look to flirt with gale warning criteria Sat night and Sunday.
Rip Currents: Moderate risk of rip currents along area northeast FL beaches with the flow more offshore or along shore for southeast GA beaches so low risk was placed there.
FIRE WEATHER
Issued at 340 AM EDT Tue Mar 19 2024
After last nights cold front, high pressure is building into the region with a drier airmass in place. MinRH values will drop down into the upper teens and 20s this afternoon and into the 20 to 30 percent range on Wednesday, however low wind speeds and wet fuels will keep fire conditions from reaching elevated levels. On Thursday, some moisture recovery will occur with min RHs in the 30s. Overall, there are no fire weather concerns other than the low RH values expected across the region.
HYDROLOGY
Issued at 340 AM EDT Tue Mar 19 2024
On the Altamaha River, moderate flooding is occurring at Baxley (and may have already has peaked) and is forecast at Everett City for later today, with rest of river at minor flooding. Minor flooding is now occurring for Satilla River at Atkinson. These levels will remain elevated into late week.
PRELIMINARY POINT TEMPS/POPS
AMG 62 38 72 47 / 0 0 0 0 SSI 61 43 72 51 / 0 0 0 0 JAX 63 38 74 47 / 0 0 0 0 SGJ 60 41 73 49 / 0 0 0 0 GNV 65 37 73 44 / 0 0 0 0 OCF 67 37 73 45 / 0 0 0 0
JAX WATCHES/WARNINGS/ADVISORIES
FL...None.
GA...None.
AM...Small Craft Advisory until 10 AM EDT this morning for AMZ450-452- 454.
Small Craft Advisory until 1 PM EDT this afternoon for AMZ470- 472-474.
Area Forecast Discussion National Weather Service Jacksonville FL 809 AM EDT Tue Mar 19 2024
New UPDATE
UPDATE
Issued at 802 AM EDT Tue Mar 19 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 on track with high pressure building in from the West and this will continue to diminish northerly winds to 5 to 10 mph by this afternoon under sunny skies and below normal highs only in the 60s. The high pressure ridge axis will extend East to West from the North Gulf Coast across NE FL/SE GA tonight and under clear skies expect below normal temps to continue with lows in the mid/upper 30s inland, which will allow for some patchy frost over inland areas, mainly along and to the west of the US 301 corridor, but likely not enough frost coverage to warrant a Frost Advisory (issued for Widespread Frost coverage). Closer to the Atlantic Coast lows will be in the lower 40s.
NEAR TERM
(Today through Tonight)
Issued at 340 AM EDT Tue Mar 19 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
Colder and much drier air is pouring through the area with a strong pressure rises of 3-6 mb giving support for the gusty winds that have been 30-40 mph in a few places. Even a 44 mph at NAS JAX and SGJ. Pressure rises have diminish a bit since a few hours ago. Dewpoints have also crashed in the 20s and even a few upper teens just to the northwest of the forecast area. Lowest wind chill readings around 7-8 AM this morning will be over inland southeast GA and into the Suwannee Valley in the upper 20s to around 30, and elsewhere in the mid to upper 30s.
For Today, mid/upper level trough will move offshore this period with mid level flow slowly becoming more zonal, with 500 mb heights slowly rising and a shortwave ridge across TX will move ever so slowly east. Surface high across the ARKLATEX area this morning will shift southeast to east, and to a position to across the north Gulf coast with sfc ridge extending across north central FL by tonight. Locally, clear skies and below seasonal temps given the cool advection pattern in place, with highs in the 60s most locations, about 10 deg below normal. Onshore flow at the coast may keep them at only about 59-60 today. Winds will be gusty in the morning to 15-25 mph , but will lighten up through late morning and aftn. Tonight, clear skies and light winds will allow for very good radiational cooling. Will go with a blend of MOS and NBM, leaning toward a bit cooler than NBM. Patchy frost possible well inland were we have some min temps in the middle 30s. Closer to the coast, upper 30s to around 40 as we may a bit off an offshore flow as the high pressure ridge will be toward the FL Big Bend.
SHORT TERM
(Wednesday through Thursday night)
Issued at 340 AM EDT Tue Mar 19 2024
A surface high dominates the region for Wednesday before making its way off the Atlantic Coast Wednesday night. This will create mostly clear skies with temperatures in the low to mid 70s, cooling into the mid to upper 40s inland overnight with coastal temperatures in the low 50s. Thursday, day time temperatures will be in the upper 70s staying a few degrees cooler along the coast.
A surface low will begin to form in the Gulf Thursday night with some upper level instability (shortwave troughs) providing chances for overnight rain showers and thunderstorms late Thursday night into Friday morning.
LONG TERM
(Friday through Monday)
Issued at 340 AM EDT Tue Mar 19 2024
The low pressure that formed in the Gulf will continue to push into the region Friday and make its way though NE FL and SE GA overnight. Scattered showers and thunderstorms will be expected area wide with temperatures staying mostly in the upper 60s for SE GA and low 70s for NE FL. Conditions will begin to clear behind the front with PWAT values dropping under an inch by Sunday with temperatures warming into the mid to upper 70s by Monday.
AVIATION
(12Z TAFS)
Issued at 718 AM EDT Tue Mar 19 2024
VFR with SKC expected through the period. Gusty North winds have started to diminish this morning with just some lingering 10-12 G15-18 knots until around 18Z when more significant weakening trend occurs along with onshore flow at the coastal TAF sites in the 6-8 knot range until sunset (00Z) when winds become near calm inland and VRB03-04 knots along the coast.
MARINE
Issued at 340 AM EDT Tue Mar 19 2024
Strong northwest to north winds expected through the early morning hours with the gale warning remaining in effect. Will tack on a small craft advisory as the gale expires this morning by about 8 AM, with the near-shore SCA lasting only a short time, only about 2-3 hours, and the offshore lasting through late morning or early aftn, with the highest seas expected well offshore waters of Flagler and St Johns counties near 7-8 ft. Winds and seas relax significantly otherwise by tonight as high pressure moves into the region, and the high will shift further south by late Wednesday. A weak backdoor front moves into the Carolinas Thursday, and may drop into southeast GA by Thursday afternoon and probably will stall. A storm system will be develop Thursday into early Friday morning over the GOMEX, with winds becoming more southeasterly Thursday night and increasing and seas building to small craft advisory levels, especially offshore waters. For now, it looks like the low pressure system is progged to move across the FL peninsula Friday night. The low will move offshore to the northeast Saturday morning and afternoon.
The period of small craft advy headlines looks to start Friday morning and continue through the weekend. In fact, winds look to flirt with gale warning criteria Sat night and Sunday.
Rip Currents: Moderate risk of rip currents along area northeast FL beaches with the flow more offshore or along shore for southeast GA beaches so low risk was placed there.
FIRE WEATHER
Issued at 340 AM EDT Tue Mar 19 2024
After last nights cold front, high pressure is building into the region with a drier airmass in place. MinRH values will drop down into the upper teens and 20s this afternoon and into the 20 to 30 percent range on Wednesday, however low wind speeds and wet fuels will keep fire conditions from reaching elevated levels. On Thursday, some moisture recovery will occur with min RHs in the 30s. Overall, there are no fire weather concerns other than the low RH values expected across the region.
HYDROLOGY
Issued at 340 AM EDT Tue Mar 19 2024
On the Altamaha River, moderate flooding is occurring at Baxley (and may have already has peaked) and is forecast at Everett City for later today, with rest of river at minor flooding. Minor flooding is now occurring for Satilla River at Atkinson. These levels will remain elevated into late week.
PRELIMINARY POINT TEMPS/POPS
AMG 62 38 72 47 / 0 0 0 0 SSI 61 43 72 51 / 0 0 0 0 JAX 63 38 74 47 / 0 0 0 0 SGJ 60 41 73 49 / 0 0 0 0 GNV 65 37 73 44 / 0 0 0 0 OCF 67 37 73 45 / 0 0 0 0
JAX WATCHES/WARNINGS/ADVISORIES
FL...None.
GA...None.
AM...Small Craft Advisory until 10 AM EDT this morning for AMZ450-452- 454.
Small Craft Advisory until 1 PM EDT this afternoon for AMZ470- 472-474.
Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | inHg | DewPt |
SAUF1 - St. Augustine, FL | 1 mi | 73 min | NNW 18G | 49°F | 64°F | 30.09 | 44°F | |
41117 | 13 mi | 73 min | 64°F | 7 ft | ||||
GTXF1 - Guana Tolomato Matanzas Reserve, FL | 15 mi | 88 min | NW 5.1 | 46°F | 30.12 | 27°F | ||
BKBF1 | 32 mi | 55 min | N 8G | 46°F | 30.11 | |||
LTJF1 | 37 mi | 55 min | 47°F | 26°F | ||||
JXUF1 | 38 mi | 55 min | 68°F | |||||
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL | 38 mi | 55 min | NNW 8G | 46°F | 62°F | 30.13 | ||
BLIF1 | 39 mi | 55 min | NNW 8.9G | 46°F | 30.14 | 27°F | ||
DMSF1 | 39 mi | 55 min | 67°F | |||||
NFDF1 | 41 mi | 55 min | N 1.9G | 45°F | 30.13 | 24°F | ||
41069 | 47 mi | 65 min | N 21G | 56°F | 66°F | 30.06 | 43°F | |
41070 | 47 mi | 73 min | 66°F | 7 ft |
toggle option: (graph/table)
Airport Reports
EDIT (hide/show)  Help Click EDIT to display multiple airports. Follow links for more data.Airport | Dist | Age | Wind kt | Vis | Sky | Weather | Temp | DewPt | RH | inHg |
KSGJ NORTHEAST FLORIDA RGNL,FL | 8 sm | 17 min | NNW 12 | 10 sm | Clear | 48°F | 27°F | 43% | 30.13 |
St. Augustine Beach
Click for Map
Tue -- 04:30 AM EDT Moonset
Tue -- 04:50 AM EDT 4.21 feet High Tide
Tue -- 07:29 AM EDT Sunrise
Tue -- 11:14 AM EDT 0.66 feet Low Tide
Tue -- 02:43 PM EDT Moonrise
Tue -- 05:21 PM EDT 3.50 feet High Tide
Tue -- 07:36 PM EDT Sunset
Tue -- 11:12 PM EDT 0.43 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 04:30 AM EDT Moonset
Tue -- 04:50 AM EDT 4.21 feet High Tide
Tue -- 07:29 AM EDT Sunrise
Tue -- 11:14 AM EDT 0.66 feet Low Tide
Tue -- 02:43 PM EDT Moonrise
Tue -- 05:21 PM EDT 3.50 feet High Tide
Tue -- 07:36 PM EDT Sunset
Tue -- 11:12 PM EDT 0.43 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
St. Augustine Beach, Florida, Tide feet
12 am |
1.1 |
1 am |
1.9 |
2 am |
2.7 |
3 am |
3.5 |
4 am |
4.1 |
5 am |
4.2 |
6 am |
3.9 |
7 am |
3.3 |
8 am |
2.5 |
9 am |
1.7 |
10 am |
1 |
11 am |
0.7 |
12 pm |
0.8 |
1 pm |
1.2 |
2 pm |
1.8 |
3 pm |
2.5 |
4 pm |
3.1 |
5 pm |
3.5 |
6 pm |
3.4 |
7 pm |
3 |
8 pm |
2.2 |
9 pm |
1.4 |
10 pm |
0.8 |
11 pm |
0.4 |
East Tocoi
Click for Map
Tue -- 04:31 AM EDT Moonset
Tue -- 04:50 AM EDT 4.99 feet Low Tide
Tue -- 07:30 AM EDT Sunrise
Tue -- 10:56 AM EDT 5.84 feet High Tide
Tue -- 02:44 PM EDT Moonrise
Tue -- 05:32 PM EDT 5.12 feet Low Tide
Tue -- 07:37 PM EDT Sunset
Tue -- 11:06 PM EDT 5.71 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 04:31 AM EDT Moonset
Tue -- 04:50 AM EDT 4.99 feet Low Tide
Tue -- 07:30 AM EDT Sunrise
Tue -- 10:56 AM EDT 5.84 feet High Tide
Tue -- 02:44 PM EDT Moonrise
Tue -- 05:32 PM EDT 5.12 feet Low Tide
Tue -- 07:37 PM EDT Sunset
Tue -- 11:06 PM EDT 5.71 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
East Tocoi, St. Johns River, Florida, Tide feet
12 am |
5.5 |
1 am |
5.4 |
2 am |
5.3 |
3 am |
5.1 |
4 am |
5 |
5 am |
5 |
6 am |
5.1 |
7 am |
5.3 |
8 am |
5.5 |
9 am |
5.6 |
10 am |
5.8 |
11 am |
5.8 |
12 pm |
5.8 |
1 pm |
5.7 |
2 pm |
5.5 |
3 pm |
5.4 |
4 pm |
5.3 |
5 pm |
5.1 |
6 pm |
5.1 |
7 pm |
5.3 |
8 pm |
5.4 |
9 pm |
5.5 |
10 pm |
5.6 |
11 pm |
5.7 |
Jacksonville, FL,
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