Saturday, November28, 2020
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Marine Weather and Tides
Homeland, GA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:03AMSunset 5:26PM Saturday November 28, 2020 3:24 AM EST (08:24 UTC) Moonrise 4:33PMMoonset 5:24AM Illumination 96% 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
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AMZ450 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- 300 Am Est Sat Nov 28 2020
Today..West winds 5 to 10 knots becoming northeast in the late morning and afternoon. Seas 2 to 3 feet with a dominant period 9 seconds. A light chop on the intracoastal waters. Areas of fog in the morning, which may be locally dense. Slight chance of showers and Thunderstorms in the morning, then chance of showers in the afternoon.
Tonight..Northeast winds 10 to 15 knots. Seas 3 to 4 feet with a dominant period 9 seconds. A light chop on the intracoastal waters. Slight chance of showers.
Sunday..Northeast winds 10 to 15 knots becoming southeast 5 to 10 knots in the afternoon. Seas 3 to 4 feet with a dominant period 9 seconds. A moderate chop on the intracoastal waters. Slight chance of showers. Slight chance of Thunderstorms in the afternoon.
Sunday night..South winds 10 to 15 knots. Seas 3 to 4 feet. A light chop on the intracoastal waters. Chance of showers and slight chance of Thunderstorms after midnight.
Monday..West winds 15 to 20 knots. Seas 3 to 4 feet. Choppy on the intracoastal waters. Chance of showers in the morning. Slight chance of Thunderstorms. Slight chance of showers in the afternoon.
Monday night..Northwest winds 15 to 20 knots. Seas 3 to 4 feet.
Tuesday..Northwest winds 15 to 20 knots diminishing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet.
Tuesday night..Northwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wednesday..North winds 10 to 15 knots diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 300 Am Est Sat Nov 28 2020
Synopsis.. A frontal boundary will move south across region today. The boundary will lift back north across the region Sunday. A cold front will move southeast across the area late Sunday night into Monday. High pressure will build from the west Monday night through Tuesday, then overhead Tuesday night through Wednesday. The high will build more toward the northeast Wednesday night through Thursday. An area of low pressure will lift northeast from the gulf across area Thursday night into Friday.
Gulf stream.. The approximate location of the west wall of the gulf stream as of nov 28, 2020 at 1200 utc... 56 nautical miles east of flagler beach. 68 nautical miles east of saint augustine beach. 81 nautical miles east of jacksonville beach. 91 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Homeland, GA
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location: 30.95, -81.9     debug


Area Discussion for - Jacksonville, FL
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FXUS62 KJAX 280523 AFDJAX

Area Forecast Discussion National Weather Service Jacksonville FL 1223 AM EST Sat Nov 28 2020

AVIATION. [Through 06Z Sunday]

Low clouds and fog expected this morning, especially near the coast. Rain showers will overspread the region from the west Today, with a few embedded thunderstorms possible. Showers will decrease in coverage Tonight, with lower clouds anticipated.

PREV DISCUSSION [929 PM EST].

NEAR TERM [Through Tonight].

Scattered low-top showers have broken out this afternoon across southeast Georgia and the Suwannee Valley as a quasi-stationary front slowly advances southward across southern GA. Meager instability and a strong mid-level inversion will effectively limit any chance for thunderstorms through the rest of the afternoon and evening. The front will continue to drift south tonight as high pressure over central Florida breaks down amd builds into the Ohio River Valley.

After a brief break in shower activity this evening, another round is expected overnight across southeastern GA. An upper trough axis will pivot across the Mid Atlantic states and overtop the stationary front tonight, providing sufficient lift through early Saturday. Isolated areas of inland southeast Georgia could receive up to an 1" of rain by sunrise on Saturday.

In addition to the rain overnight, patchy fog will likely develop along the nearly stalled frontal zone but away from the shower activity. Best chances for fog development will be inland northeast Florida west of the I-95 corridor. Locally dense fog will be possible in area through Saturday morning.

SHORT TERM [Saturday Through Sunday Night].

The quasi-stationary front will make more southward progress on Saturday as upper trough axis pivots into the western Atlantic and surface high pressure builds to the northwest. Scant instability and considerable cloudiness on Saturday should limit potential for widespread shower activity along the frontal zone. An upper cutoff low over west texas will spawn a surface cyclone in the northwestern GOMEX Sunday. This will lift the quasi-stationary frontal zone northward as a warm front, warm-sectoring the area. Mass response from deepening surface low to the west will increase bulk and low- level shear parameters, however very weak instability will be a limiting factor. If enough instability is generated and convection can initiate successfully, strong to severe storms will be possible Saturday afternoon and evening ahead of the cold front. Run-to-run model consistency has fallen of a bit regarding the timing of the attendant cold front which now looks to pass through Monday morning/afternoon rater than late Sunday/early Monday. Temps will remain above average through the weekend.

LONG TERM [Monday Through Friday].

Potent cold front will track eastward across the region on Monday, bringing drier air, breezy conditions, and significant drop in temperatures through early next week.

As the front passes through Monday a squall line of showers and t- storms will precede it. Temperatures will drop substantially from Monday to Tuesday with highs on Tuesday forecast to stay in the 50s. Lows on Tuesday morning will dip into the mid 30s across southeast Georgia and Suwanee Valley while the upper 30s/low 40s are likely across along the coast and north-central Florida. As the post-frontal northerly breezes lighten morning lows will drop further Wednesday morning with readings at or below freezing inland and to the upper 30s along the coast. Temps will gradually rebound through the end of the week as surface high shifts offshore and another low pressure system and reinforcing cold front develops to our west. Rain chances will increase with the approach of the late week cold front.

MARINE.

Current forecast was on tack with light winds and seas at or below 4 ft rest of tonight. Introduced some patchy fog for the nearshore waters and included a marine weather statement for the fog. It is possible fog may disperse a bit after about 4 or 5 AM Saturday as a cold frontal boundary pushes into the region.

HYDROLOGY.

Rainfall is expected through the weekend ahead of a developing low pressure system. However, rainfall will be short-lived and is not expected to result in any substantial hydrologic concerns.

PRELIMINARY POINT TEMPS/POPS.

AMG 66 55 69 56 62 / 90 0 60 70 30 SSI 67 58 72 62 70 / 70 10 50 50 60 JAX 68 59 74 62 71 / 60 20 40 40 60 SGJ 74 63 77 65 73 / 50 20 20 30 60 GNV 76 59 77 62 69 / 50 20 20 50 60 OCF 78 62 79 65 71 / 20 20 10 40 60

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FRDF1 - 8720030 - Fernandina Beach, FL 30 mi55 min SSE 1.9 G 2.9 73°F 70°F1016.4 hPa
41112 - Offshore Fernandina Beach, FL (132) 36 mi55 min 69°F 70°F2 ft
NFDF1 41 mi55 min SSW 1.9 G 4.1 59°F 1016.2 hPa
BLIF1 43 mi55 min SSE 2.9 G 4.1 69°F 1017.4 hPa69°F
DMSF1 43 mi55 min 70°F
JXUF1 44 mi55 min 71°F
LTJF1 46 mi55 min 69°F 68°F
MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL 46 mi55 min SSW 1.9 G 4.1 68°F 70°F1016.8 hPa
SAXG1 - Sapelo Island Reserve, GA 46 mi85 min S 2.9 66°F 1016 hPa (-2.0)66°F
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 63 mi35 min SW 5.8 G 7.8 68°F 69°F2 ft1016.2 hPa (-1.4)68°F

Wind History for Fernandina Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Brunswick, Malcolm McKinnon Airport, GA31 mi32 minN 010.00 miA Few Clouds68°F68°F100%1016.2 hPa

Link to 5 minute data for KSSI

Wind History from SSI (wind in knots)
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Last 24hrW3CalmCalmW4W4SW5NW4W4W44E6SE4CalmCalmS3CalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoS3S4SW5SW3SW5SW8SW8SW10S4SW9W9SW8--S7S7S6S6S8CalmSW4CalmCalmCalmSW3
2 days agoSE8SE9SE6CalmSE3SE6SE7SE7SE6SE4SE7SE9SE8SE5SE3S3S4S55S5SW4SW3S3S3

Tide / Current Tables for Burnt Fort, Satilla River, Georgia
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Burnt Fort
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Sat -- 05:23 AM EST     Moonset
Sat -- 05:49 AM EST     0.12 feet Low Tide
Sat -- 07:05 AM EST     Sunrise
Sat -- 11:11 AM EST     3.44 feet High Tide
Sat -- 04:32 PM EST     Moonrise
Sat -- 05:25 PM EST     Sunset
Sat -- 06:26 PM EST     0.26 feet Low Tide
Sat -- 11:27 PM EST     3.07 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.82.41.81.20.60.20.10.51.42.33.13.43.332.41.81.10.60.30.40.91.72.53

Tide / Current Tables for St. Johns River Entrance, Florida Current (3)
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St. Johns River Entrance
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Sat -- 03:24 AM EST     0.00 knots Slack
Sat -- 05:21 AM EST     Moonset
Sat -- 06:09 AM EST     2.46 knots Max Flood
Sat -- 07:04 AM EST     Sunrise
Sat -- 09:23 AM EST     -0.00 knots Slack
Sat -- 12:10 PM EST     -1.73 knots Max Ebb
Sat -- 04:13 PM EST     0.00 knots Slack
Sat -- 04:31 PM EST     Moonrise
Sat -- 05:24 PM EST     Sunset
Sat -- 06:31 PM EST     1.88 knots Max Flood
Sat -- 09:24 PM EST     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.6-1.3-0.9-0.40.71.92.42.21.60.5-0.7-1.5-1.7-1.6-1.4-1-0.20.91.81.81.30.5-0.7-1.5

Weather Map
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wmap_A
GEOS Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Jacksonville, FL
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.