Sawgrass, FL Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Sawgrass, FL

April 21, 2024 6:56 AM EDT (10:56 UTC) Change Location
Sunrise 6:49 AM   Sunset 7:58 PM
Moonrise 5:07 PM   Moonset 4:38 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.

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Marine Forecasts
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AMZ452 Expires:202404212145;;112956 Fzus52 Kjax 210649 Cwfjax
coastal waters forecast for northeast florida/southeast georgia national weather service jacksonville fl 249 am edt Sun apr 21 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.
amz450-452-454-212145- 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- 249 am edt Sun apr 21 2024

Today - Southwest winds 10 to 15 knots. Gusts around 20 knots. Seas 2 to 3 feet with a dominant period 10 seconds. Intracoastal waters a moderate chop. A chance of showers with a slight chance of Thunderstorms in the afternoon.

Tonight - Northwest winds 10 to 15 knots, becoming north 15 to 20 knots after midnight. Seas 2 to 4 feet with a dominant period 4 seconds. Intracoastal waters choppy. Showers likely with a slight chance of Thunderstorms in the evening, then a chance of showers and Thunderstorms after midnight.

Monday - North winds 15 to 20 knots. Seas 3 to 5 feet with a dominant period 5 seconds. Intracoastal waters choppy. A chance of showers.

Monday night - Northeast winds 15 to 20 knots. Seas 4 to 6 feet with a dominant period 6 seconds. Intracoastal waters choppy.

Tuesday - Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 4 to 6 feet with a dominant period 10 seconds. Intracoastal waters a moderate chop.

Tuesday night - East winds 5 to 10 knots, becoming south after midnight. Seas 3 to 5 feet with a dominant period 9 seconds. Intracoastal waters light chop.

Wednesday - South winds 5 to 10 knots. Seas 2 to 3 feet.

Wednesday night - South winds 5 to 10 knots, becoming southwest after midnight. Seas 2 to 3 feet.

Thursday - North winds 5 to 10 knots, becoming northeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet.

Thursday night - East winds 10 to 15 knots. Seas around 3 feet.
winds and waves higher in and near Thunderstorms.

AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 249 Am Edt Sun Apr 21 2024

Synopsis -
a cold front will approach the area waters today and will bring increased offshore winds and a chance of afternoon and evening Thunderstorms. The front will enter the southeast georgia waters late this afternoon and move through the rest of the coastal waters tonight. A surge of northerly winds is expected behind the front tonight and will lead to small craft advisories for most of the area waters beginning on Monday. Winds will decrease and turn onshore Tuesday to Wednesday as high pressure then builds across area waters once again. Another cool front will pass through the waters during the latter part of next week with onshore winds returning by next weekend.

Gulf stream -
the approximate location of the west wall of the gulf stream as of apr 20, 2024 at 1200 utc - .
69 nautical miles east northeast of flagler beach. 73 nautical miles east of saint augustine beach. 87 nautical miles east southeast of jacksonville beach. 105 nautical miles east of st simons island.
this data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Sawgrass, FL
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Area Discussion for - Jacksonville, FL
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FXUS62 KJAX 210718 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 318 AM EDT Sun Apr 21 2024

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

NEAR TERM
(Today through Tonight)
Issued at 300 AM EDT Sun Apr 21 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

A cold front across SC to central GA and southeast AL at 3 AM will shift southeast today as a mid to upper level trough digs in across the eastern CONUS. Plentiful moisture will push out ahead of the front, with PWAT rising from about 1 inch to 1.5-1.6 inches. Some light patches of rain possible in the morning which will move west to east and may help precondition the environment. Models do show a subsidence inversion around the 5000-10000 ft layer that may inhibit some initial convective development, but it should gradually erode by mid to late aftn. Expect scattered to numerous showers and storms developing during the mid to late aftn with potential for isolated strong storms with strong gusty winds and some hail.
The threat is pretty limited/localized and mainly over northeast FL, aided by MLCAPE of up to 1000-1400 J/kg and bulk shear of around 35 kt. In support of this, latest HRRR shows a couple of mid level rotating storms this aftn in an area from the I-10 corridor to the coast and southward to a Gainesville to St Augustine line. So, it's plausible for strong gusty winds and at least some small hail in a stronger storm.

Expect breezy west-southwest winds today ahead of the front, reaching near 15-20 mph with gusts of 30 to near 35 mph at times, mainly across northeast FL. Max temps today will not be as high as prior days, with mid/upper 80s mainly over northeast FL and mid 70s to around 80 across southeast GA.

Tonight, cold front expected to lay across coastal northeast FL to around Gainesville and Trenton mid evening, with at least scattered convection along it as it continues to translate southward. Wind shift to the north follows the front, with cloudy skies continuing much of the night and cooler temps with lows mainly in the 50s overnight. Weak isolated showers should be mainly confined to the coastal areas toward sunrise.

SHORT TERM
(Monday through Tuesday night)
Issued at 300 AM EDT Sun Apr 21 2024

By Monday evening, the front will be over south Florida, with some lingering rain and thunderstorms possible over the eastern zones Monday during the day, by sunset all convection will likely be offshore. Much cooler temperatures are expected Monday, with highs only reaching the mid 60s to lower 70s across SE GA and NE FL.
Tuesday will warm up slightly with clear skies and onshore winds climbing high temperatures into the mid to upper 70s inland, and lower 70s along the east coast.

LONG TERM
(Wednesday through Saturday)
Issued at 300 AM EDT Sun Apr 21 2024

No precipitation in sight during this period as high pressure builds overhead and dry weather moves in behind the cold front passage earlier in the week. Another cold front will move through from the north mid to late week, however conditions will be too dry for any rain. High temperatures will generally be in the lower to mid 80s each day inland, with the coast being slightly cooler.

AVIATION
(06Z TAFS)
Issued at 155 AM EDT Sun Apr 21 2024

So far, VFR conditions but some low clouds are developing over the central portions of the forecast area. Still looks like potential low cigs and some vsby problems for GNV, VQQ, and JAX over the course of the next several hours. After these restrictions dissipate by 13z/14z, attention shifts towards a cold front approaching terminals today with prospects for a good chance of showers and storms this aftn. Have included TEMPO groups for storms for around the 19z-00z time frame, and then some patchy rain and MVFR cigs afterward.
Light southwest to west winds anticipated through 14z, then winds will be west- southwest about 10-15 kt with a few gusts of 25 kt, outside of the showers and storms today. Wind shift to the northwest and then north expected this evening and overnight after the frontal passage.

MARINE
Issued at 300 AM EDT Sun Apr 21 2024

Offshore flow continues today while a cold front will move into the deep into southeast states. Scattered thunderstorms will be possible later this afternoon and into the evening hours with gusty winds possible. The front will move into the southeast GA waters late this afternoon and move through rest of the area waters tonight.
Have introduced a small craft advisory beginning for offshore waters Monday morning and continues into Tuesday. May need a small craft advisory for the nearshore waters as well but due to less confidence will defer to later forecasts for raising the headline.
Winds will begin to diminish Tuesday to Wednesday as high pressure moves into the region. Another front will move into the area waters by Thursday.

Rip Currents: A low-end moderate risk of rip currents for northeast FL beaches again today with surf up to 2 to near 3 ft based on swells of 2 ft at 11 seconds. Increased threat of rip currents and long shore currents expected Monday due to the gusty northerly winds.

FIRE WEATHER
Issued at 300 AM EDT Sun Apr 21 2024

Breezy southwesterly winds and high mixing heights today will allow for high dispersion values area-wide, with very high values over portions of NE FL. Overnight dispersion values will also be high, and again on Monday there will be patchy high dispersion values over SE GA and the Suwannee valley. MinRH will drop Monday into Tuesday as a cold front passes, leaving dry air in it's wake as winds shift northeasterly.

PRELIMINARY POINT TEMPS/POPS
AMG 79 53 69 47 / 80 30 10 0 SSI 84 56 66 56 / 70 60 20 0 JAX 87 57 67 52 / 70 70 30 0 SGJ 89 61 68 58 / 40 70 40 0 GNV 84 58 71 50 / 40 50 20 0 OCF 84 61 73 52 / 30 50 20 0

JAX WATCHES/WARNINGS/ADVISORIES
FL...None.
GA...None.
AM...Small Craft Advisory from 8 AM Monday to 3 PM EDT Tuesday for AMZ470-472-474.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
LTJF1 14 mi57 min 69°F 68°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 15 mi57 min WSW 5.1G6 69°F 74°F29.95
BLIF1 16 mi57 min SW 5.1G6 70°F 29.9570°F
DMSF1 17 mi57 min 75°F
BKBF1 18 mi57 min SW 4.1G5.1 67°F 29.92
JXUF1 18 mi57 min 76°F
41117 20 mi57 min 73°F2 ft
NFDF1 20 mi57 min WSW 1.9G4.1 68°F 29.9367°F
SAUF1 - St. Augustine, FL 24 mi57 min W 2.9G4.1 68°F 71°F29.9568°F
FRDF1 - 8720030 - Fernandina Beach, FL 34 mi57 min SSW 2.9G4.1 70°F 74°F29.91
41112 - Offshore Fernandina Beach, FL (132) 36 mi57 min 69°F 71°F2 ft
GTXF1 - Guana Tolomato Matanzas Reserve, FL 37 mi132 min WNW 1.9 67°F 29.9864°F
KBMG1 41 mi57 min 67°F 29.93


Wind History for I-295 Bridge, St Johns River, FL
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KCRG JACKSONVILLE EXECUTIVE AT CRAIG,FL 13 sm63 minSW 0410 smClear66°F64°F94%29.94
KNRB MAYPORT NS (ADM DAVID L MCDONALD FIELD),FL 14 sm64 minSW 0410 smClear72°F64°F78%29.94
KSGJ NORTHEAST FLORIDA RGNL,FL 16 sm40 minWSW 0310 smMostly Cloudy66°F64°F94%29.96
KNIP JACKSONVILLE NAS (TOWERS FLD),FL 17 sm53 minSW 0410 smMostly Cloudy70°F64°F83%29.95
Link to 5 minute data for KCRG


Wind History from CRG
(wind in knots)
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Tide / Current for Palm Valley, ICWW, Florida
   
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Palm Valley
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Sun -- 03:09 AM EDT     -1.91 feet Low Tide
Sun -- 05:38 AM EDT     Moonset
Sun -- 06:51 AM EDT     Sunrise
Sun -- 10:05 AM EDT     1.54 feet High Tide
Sun -- 03:34 PM EDT     -2.11 feet Low Tide
Sun -- 06:06 PM EDT     Moonrise
Sun -- 07:57 PM EDT     Sunset
Sun -- 10:31 PM EDT     1.67 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Palm Valley, ICWW, Florida, Tide feet
12
am
0.6
1
am
-0.2
2
am
-1.3
3
am
-1.9
4
am
-1.6
5
am
-0.9
6
am
-0.2
7
am
0.4
8
am
1
9
am
1.3
10
am
1.5
11
am
1.3
12
pm
0.8
1
pm
-0
2
pm
-1
3
pm
-1.9
4
pm
-2
5
pm
-1.3
6
pm
-0.5
7
pm
0.2
8
pm
0.8
9
pm
1.3
10
pm
1.6
11
pm
1.6



Tide / Current for St. Johns River Entrance, Florida Current
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St. Johns River Entrance
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Sun -- 12:55 AM EDT     -1.86 knots Max Ebb
Sun -- 04:01 AM EDT     0.00 knots Slack
Sun -- 05:38 AM EDT     Moonset
Sun -- 06:44 AM EDT     1.64 knots Max Flood
Sun -- 06:51 AM EDT     Sunrise
Sun -- 09:34 AM EDT     -0.00 knots Slack
Sun -- 12:39 PM EDT     -1.89 knots Max Ebb
Sun -- 04:04 PM EDT     0.00 knots Slack
Sun -- 06:06 PM EDT     Moonrise
Sun -- 06:53 PM EDT     1.97 knots Max Flood
Sun -- 07:57 PM EDT     Sunset
Sun -- 10:04 PM EDT     -0.01 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
-1.9
2
am
-1.7
3
am
-1
4
am
-0
5
am
1
6
am
1.5
7
am
1.6
8
am
1.4
9
am
0.7
10
am
-0.5
11
am
-1.4
12
pm
-1.8
1
pm
-1.9
2
pm
-1.7
3
pm
-1.1
4
pm
-0.1
5
pm
1
6
pm
1.8
7
pm
2
8
pm
1.8
9
pm
1.2
10
pm
0.1
11
pm
-1.1




Weather Map
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GEOS Local Image of southeast   
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Jacksonville, FL,



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