Monday, October18, 2021
Privacy Policy
L-36.com

Marine Weather and Tides
Neptune Beach, FL

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:28AMSunset 6:52PM Monday October 18, 2021 4:08 PM EDT (20:08 UTC) Moonrise 5:09PMMoonset 4:33AM Illumination 95% Phase: Waxing Gibbous; Moon at 13 days in cycle
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
    EDIT      (on/off)   Help
AMZ452 Expires:202110190930;;890833 Fzus52 Kjax 181918 Cwfjax Coastal Waters Forecast For Northeast Florida/southeast Georgia National Weather Service Jacksonville Fl 318 Pm Edt Mon Oct 18 2021 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. Amz450-452-454-190930- 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- 318 Pm Edt Mon Oct 18 2021
Tonight..Northeast winds 10 to 15 knots. Seas 3 to 4 feet with a dominant period 7 seconds. A light chop on the intracoastal waters.
Tuesday..East winds 10 to 15 knots. Seas 3 to 4 feet with a dominant period 7 seconds. A moderate chop on the intracoastal waters.
Tuesday night..East winds 5 to 10 knots. Seas 2 to 3 feet with a dominant period 7 seconds. Mostly smooth on the intracoastal waters.
Wednesday..East winds 5 to 10 knots. Seas 2 to 3 feet. A light chop on the intracoastal waters.
Wednesday night..Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Mostly smooth on the intracoastal waters.
Thursday..Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A light chop on the intracoastal waters.
Thursday night..South winds 5 to 10 knots. Seas 2 to 3 feet.
Friday..South winds 5 knots becoming southeast 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Slight chance of showers and Thunderstorms.
Friday night..South winds 5 to 10 knots becoming southwest after midnight. Seas 2 to 3 feet. Slight chance of showers and Thunderstorms.
Saturday..North winds 5 to 10 knots becoming northeast in the afternoon. Seas 2 to 3 feet. Slight chance of showers and Thunderstorms.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 318 Pm Edt Mon Oct 18 2021
Synopsis.. High pressure centered to the northwest will shift east and off the southeast coast by late week. A weak cold front will slowly move into the waters this weekend.
Gulf stream.. The approximate location of the west wall of the gulf stream as of oct 16, 2021 at 1200 utc... 33 nautical miles east northeast of flagler beach. 40 nautical miles east of saint augustine beach. 55 nautical miles east southeast of jacksonville beach. 68 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Neptune Beach, FL
   Hourly   EDIT   Help
location: 30.31, -81.43     debug


Area Discussion for - Jacksonville, FL
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
FXUS62 KJAX 181720 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 120 PM EDT Mon Oct 18 2021

AVIATION. [Through 18Z Tuesday]

VFR prevails. Abundant high clouds expected to continue over the region through tonight then diminish a bit on Tuesday. Scattered locally broken cumulus and stratocumulus near 3000-4500 ft expected to persist a few hours this afternoon affecting JAX, CRG, VQQ, SGJ, and perhaps near GNV, and then expecting these clouds again on Tuesday, but MVFR ceiling chance much too low to mention in the TAFs. Sfc winds will be northeast 5-10 kt rest of this afternoon and on Tuesday after 14Z- 15Z.

PREV DISCUSSION [925 AM EDT].

NEAR TERM [Through Tonight].

Synopsis . Dry conditions continue with seasonably cool temperatures.

Surface high pressure across the lower MS River Valley will shift east across SE GA through tonight while high cirrus clouds infiltrate from the west with the approach of an upper level short wave trough moving west across the Gulf Coast States. As the surface ridge settles across the local area, NNW winds this morning will transition to ENE into the afternoon, with weaker speeds compared to yesterday near 10-15 mph at the coast with gusts near 15-20 mph through late afternoon. Low level moisture will increase from the east into the afternoon with some stratocumulus advecting onshore across Flagler-St. Johns- Putnam counties into the evening. High cloudiness will decrease overnight with near calm winds inland and dry air enabling inland lows to fall into the mid/upper 40s across inland SE GA to the 50s south of the I-10 corridor to the low 60s toward the Atlantic coast where light onshore flow and passing stratocumulus will continue across NE FL coastal counties.

SHORT TERM [Tuesday Through Wednesday].

Fair weather will continue through midweek with dry, stable air and weak ridged flow aloft. The surface high beneath ridge aloft will slowly migrate from the southern Appalachians into the Atlantic by Wednesday. With the high centered to the north then northeast of the area, onshore flow will persist with a weak coastal trough developing Wednesday. Scant moisture and subsidence will limit any shower chance with the coastal trough but flat cumulus is likely along the coast. Temperatures will moderate with return flow through Wednesday. Highs will return to normal by Tuesday and warm a few degrees further on Wednesday, with mid to upper 80s inland and low 80s along the coast.

LONG TERM [Thursday Through Monday].

Increasing cloud cover is expected by Thursday as a weak short wave lifts out of the GOMEX and across the area. Limited, but increasing, moisture will be in place as the energy shifts overhead, so rain chances remain below mentionable at this point on Thursday. Flow will become more southwesterly as low ridge shifts well off into the Atlantic and another cold front approaches the southeastern states. The parent closed upper low the front is coupled with will become an open wave and eject northeastward as the front make inroads into SE GA Friday morning. Moisture will recover some before the front reaches the area, with ensemble guidance agreeing on PWATs 1.5-1.75", but as forcing lifts away convergence will weaken along the front, limiting chances for showers and thunderstorms. That said, kept slight chances in for now with better chances over the Atlantic for now. Because the front loses steam it may slow or stall over the area until Saturday morning before a secondary front presses through. Ahead of the front temperatures will remain in the mid to upper 80s then cool back toward the upper 70s and low 80s as the next dry airmass filter in over the weekend.

MARINE.

High pressure will build north of the local waters today through Tuesday, then shift offshore of the southeast Atlantic coast Wednesday. A coastal trough will form offshore of the local coast Thursday in advance of an approaching cold front. The front will approach from the west into the weekend.

Rip Currents: Moderate risk today and Tuesday with onshore flow and elevated surf of 2-4 ft.

FIRE WEATHER.

Dry air will remain entrenched across the area today. Afternoon humidities will be lowest across southeast GA, around 30-35%. Dispersion will be highest along the coast and northeast FL where northeast transport flow will be strongest, around 12-15 mph. Areas of high dispersion are likely across the Ocala NF. Easterly, onshore flow will lead to gradual moistening and warming Tuesday and Wednesday.

HYDROLOGY.

Minor river flooding continues along the Altamaha River basin.

PRELIMINARY POINT TEMPS/POPS.

AMG 45 79 52 81 59 / 0 0 0 0 0 SSI 57 78 64 81 66 / 0 0 0 0 0 JAX 54 81 63 83 64 / 0 0 0 0 0 SGJ 63 81 67 82 67 / 0 0 0 0 0 GNV 55 83 58 85 61 / 0 0 0 0 0 OCF 56 84 60 86 64 / 0 0 0 0 0

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


Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LTJF1 5 mi51 min 73°F 55°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 6 mi51 min NE 9.9G12 73°F 78°F1020.5 hPa
BLIF1 8 mi51 min NE 8.9G11 74°F 1020.2 hPa57°F
DMSF1 9 mi51 min 78°F
JXUF1 10 mi51 min 80°F
NFDF1 12 mi51 min NE 8G11 74°F 1019.8 hPa62°F
BKBF1 16 mi51 min 74°F 1019.8 hPa
FRDF1 - 8720030 - Fernandina Beach, FL 25 mi51 min NNE 7G12 76°F 75°F1020.5 hPa
41117 28 mi39 min 74°F 80°F3 ft
41112 - Offshore Fernandina Beach, FL (132) 29 mi39 min 72°F 78°F3 ft
SAUF1 - St. Augustine, FL 33 mi69 min NE 9.9G12 74°F 78°F1019.6 hPa (-1.5)56°F
GTXF1 - Guana Tolomato Matanzas Reserve, FL 46 mi84 min NE 6 77°F 1020 hPa61°F

Wind History for I-295 Bridge, St Johns River, FL
(wind in knots)    EDIT      (on/off)   Help
Last
24hr
1 day
ago
2 days
ago

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports. Follow links for more data.
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Jacksonville Craig Municipal Airport, FL5 mi76 minENE 710.00 miPartly Cloudy75°F56°F52%1019.9 hPa
Mayport Naval Station - Adm David L. McDonald Field, FL6 mi77 minENE 910.00 miMostly Cloudy76°F55°F48%1019.8 hPa
Jacksonville Naval Air Station, FL14 mi76 minENE 710.00 miMostly Cloudy77°F58°F52%1019.5 hPa
Jacksonville International Airport, FL19 mi73 minENE 910.00 miMostly Cloudy74°F56°F54%1019.8 hPa
Fernandina Beach Municipal Airport, FL21 mi74 minENE 910.00 miFair74°F54°F49%1020.3 hPa
Northeast Florida Regional Airport, FL24 mi73 minNE 910.00 miA Few Clouds78°F58°F50%1019.7 hPa

Link to 5 minute data for KCRG

Wind History from CRG (wind in knots)
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
Last 24hrNE6NE6NE300N40N3N4N5N6N6N7N6N5N6N7N7E8E9E10NE6
G14
E7NE5
1 day agoW7W5W40W5NW3N8N12N13
G22
N10N11N12
G19
N11N8N9N10N9N10N11NE16
G22
N8
G20
NE10NE14
G20
NE10
G17
2 days agoE5E5E30000000000000W5W5W5SW6W7NW5NW6W10
G16

Tide / Current Tables for Pablo Creek, ICWW bridge, St. Johns River, Florida
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Pablo Creek
Click for Map
Mon -- 02:42 AM EDT     0.54 feet Low Tide
Mon -- 05:33 AM EDT     Moonset
Mon -- 07:30 AM EDT     Sunrise
Mon -- 09:09 AM EDT     4.61 feet High Tide
Mon -- 03:05 PM EDT     0.56 feet Low Tide
Mon -- 06:09 PM EDT     Moonrise
Mon -- 06:51 PM EDT     Sunset
Mon -- 09:32 PM EDT     4.62 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12
am
2.3
1
am
1.3
2
am
0.7
3
am
0.6
4
am
1
5
am
1.8
6
am
2.8
7
am
3.6
8
am
4.3
9
am
4.6
10
am
4.4
11
am
3.7
12
pm
2.7
1
pm
1.6
2
pm
0.9
3
pm
0.6
4
pm
0.8
5
pm
1.5
6
pm
2.4
7
pm
3.3
8
pm
4
9
pm
4.5
10
pm
4.6
11
pm
4


Tide / Current Tables for St. Johns River Entrance, Florida Current
   EDIT      (on/off)   Help   One Week of Data
St. Johns River Entrance
Click for Map
Mon -- 12:40 AM EDT     -2.18 knots Max Ebb
Mon -- 03:42 AM EDT     0.01 knots Slack
Mon -- 05:32 AM EDT     Moonset
Mon -- 06:47 AM EDT     2.17 knots Max Flood
Mon -- 07:30 AM EDT     Sunrise
Mon -- 09:31 AM EDT     -0.00 knots Slack
Mon -- 01:04 PM EDT     -2.23 knots Max Ebb
Mon -- 04:12 PM EDT     0.00 knots Slack
Mon -- 06:08 PM EDT     Moonrise
Mon -- 06:50 PM EDT     Sunset
Mon -- 07:13 PM EDT     2.06 knots Max Flood
Mon -- 09:54 PM EDT     -0.01 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12
am
-2.1
1
am
-2.2
2
am
-1.8
3
am
-0.9
4
am
0.4
5
am
1.5
6
am
2
7
am
2.2
8
am
1.8
9
am
0.7
10
am
-0.6
11
am
-1.6
12
pm
-2.1
1
pm
-2.2
2
pm
-2
3
pm
-1.4
4
pm
-0.3
5
pm
1
6
pm
1.8
7
pm
2.1
8
pm
1.9
9
pm
1.2
10
pm
-0.1
11
pm
-1.3


Weather Map
       (on/off)   Help Weather Map
wmap_A
GEOS Local Image of    EDIT
NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
Link to Loop

Other links: GEOS-West     Contential US     Full GOES-East
Ground Weather Radar Station




Please read website Cookie, Privacy, and Disclamers by clicking HERE.