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Marine Weather and Tides
Version 3.4 |
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports. 6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen |
| Sunrise 6:56AM | Sunset 8:01PM | Friday August 23, 2019 9:04 AM EDT (13:04 UTC) | Moonrise 11:59PM | Moonset 1:02PM | Illumination 45% |  |
AMZ452 Expires:201908231530;;070826 Fzus52 Kjax 230720 Cwfjax Coastal Waters Forecast For Northeast Florida/southeast Georgia National Weather Service Jacksonville Fl 320 Am Edt Fri Aug 23 2019 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. Amz450-452-454-231530- 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- 320 Am Edt Fri Aug 23 2019
Today..East southeast winds around 5 knots becoming east 10 knots in the afternoon. Seas 2 to 3 feet. Dominant period 7 seconds. Inland waters a light chop.
Tonight..Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 6 seconds. Inland waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Saturday..East winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 6 seconds. Inland waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Saturday night..East southeast winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 6 seconds. Inland waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Sunday..East northeast winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 7 seconds. Inland waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Sunday night and Monday..East southeast winds 5 to 10 knots. Seas 2 to 3 feet. Showers and a chance of Thunderstorms.
Monday night..South southwest winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers and Thunderstorms.
Tuesday..South southwest winds 5 to 10 knots. Seas 2 to 3 feet. Showers and a chance of Thunderstorms.
Today..East southeast winds around 5 knots becoming east 10 knots in the afternoon. Seas 2 to 3 feet. Dominant period 7 seconds. Inland waters a light chop.
Tonight..Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 6 seconds. Inland waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Saturday..East winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 6 seconds. Inland waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Saturday night..East southeast winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 6 seconds. Inland waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Sunday..East northeast winds 5 to 10 knots. Seas 2 to 3 feet. Dominant period 7 seconds. Inland waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Sunday night and Monday..East southeast winds 5 to 10 knots. Seas 2 to 3 feet. Showers and a chance of Thunderstorms.
Monday night..South southwest winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers and Thunderstorms.
Tuesday..South southwest winds 5 to 10 knots. Seas 2 to 3 feet. Showers and a chance of Thunderstorms.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 320 Am Edt Fri Aug 23 2019
Synopsis.. Atlantic ridge extending across the waters will slowly weaken and shift eastward as weak low pressure near the northern bahamas slowly organizes and moves northwestward towards the florida peninsula. This system will pivot northward and northeastward during the weekend, passing east of our local waters as it continues to gradually organize. Prevailing onshore winds this weekend will shift to southwesterly by Tuesday as a frontal boundary sinks southward towards the georgia waters.
Gulf stream.. The approximate location of the west wall of the gulf stream as of aug 22, 2019 at 1200 utc... 61 nautical miles east southeast of flagler beach. 72 nautical miles east of saint augustine beach. 84 nautical miles east of jacksonville beach. 92 nautical miles east of st simons island. This data courtesy of the naval oceanographic office.
Synopsis.. Atlantic ridge extending across the waters will slowly weaken and shift eastward as weak low pressure near the northern bahamas slowly organizes and moves northwestward towards the florida peninsula. This system will pivot northward and northeastward during the weekend, passing east of our local waters as it continues to gradually organize. Prevailing onshore winds this weekend will shift to southwesterly by Tuesday as a frontal boundary sinks southward towards the georgia waters.
Gulf stream.. The approximate location of the west wall of the gulf stream as of aug 22, 2019 at 1200 utc... 61 nautical miles east southeast of flagler beach. 72 nautical miles east of saint augustine beach. 84 nautical miles east of jacksonville beach. 92 nautical miles east of st simons island. This data courtesy of the naval oceanographic office.
7 Day Forecast for Marine Location Near Yulee, FL
Hourly EDIT Helplocation: 30.6, -81.52 debug
Area Discussion for - Jacksonville, FL
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus62 kjax 230713 afdjax area forecast discussion national weather service jacksonville fl 313 am edt Fri aug 23 2019 Near term Today and tonight... Ridging aloft will provide hot and mostly dry conditions again today while weak low pressure meanders to the south near SE fl and the northern bahamas. Relatively dry air will limit shower storm activity today. Best rain chances will be this afternoon over southern zones of NE fl as moisture starts to increase from the south. Afternoon temperatures will reach near 90 degrees at the beaches and mid 90s inland. High pressure will start to weaken this evening and overnight with an increasing easterly flow bringing a chance of coastal showers to flagler st. Johns counties late tonight. Short term Saturday through Monday... Wave expected to be along central florida coast Saturday, then to the northeast of the region Sunday afternoon. Moisture will increase across the region Saturday due to the proximity of the wave, with scattered convection anticipated. With the system expected to be to the northeast on Sunday, the region would be on the subsidence side, leading to decreased chance for convection. At this point, given uncertainty in movement and intensity of this system will favor scattered activity for Sunday. A trough will extend from this system across forecast area into Monday. Will keep precipitation chances in the scattered to numerous range on Monday, due to the combination of diurnal heating and boundary convergence. Temperatures will trend near to slightly above normal this period. Long term Monday night through Thursday... Troughing lingers into Tuesday, with high pressure building from the south. With the trough will favor precipitation chances in the scattered to numerous range Tuesday. A cold front is expected to push southeast into region Wednesday, then slowly move southeast across area |
through Thursday. Will favor convective chances in the scattered to numerous range with the front. Temperatures will trend near to slightly above normal this period. Aviation Patchy inland fog early this morning with possible ifr MVFR vsbys til 12z. OtherwiseVFR conditions expected today. Showers and storms will be mostly isolated today so will leave out of forecast due to low probabilities. Marine Atlantic ridge across the waters today will start to weaken tonight and shift eastward. Weak low pressure near the northern bahamas will slowly organize and move NW to the florida peninsula and then shift east of our waters this weekend and early next week. East southeast winds will increase to near 15 knots with seas increasing up to 4 feet. Rip currents: low risk today becoming moderate risk this weekend as easterly winds and surf increase. Preliminary point temps pops Amg 94 73 94 73 20 10 40 40 ssi 90 79 90 77 10 10 20 20 jax 93 74 91 76 10 10 20 20 sgj 89 78 89 75 10 20 30 20 gnv 94 73 92 74 30 10 30 20 ocf 94 73 91 74 30 20 50 20 Jax watches warnings advisories Fl... None. Ga... None. Am... None. Zibura 23 |
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a map| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
| FRDF1 - 8720030 - Fernandina Beach, FL | 6 mi | 46 min | 1018.4 hPa | |||||
| 41112 - Offshore Fernandina Beach, FL (132) | 14 mi | 34 min | 83°F | 2 ft | ||||
| BLIF1 | 14 mi | 46 min | Calm G 1 | 82°F | 1018.8 hPa | 82°F | ||
| DMSF1 | 15 mi | 52 min | 85°F | |||||
| MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL | 15 mi | 46 min | NW 2.9 G 4.1 | 1018.2 hPa | ||||
| NFDF1 | 15 mi | 46 min | Calm G 1.9 | 76°F | 1019.6 hPa | |||
| LTJF1 | 16 mi | 46 min | 81°F | |||||
| JXUF1 | 18 mi | 46 min | 84°F | |||||
| 41117 | 48 mi | 34 min | 82°F | 2 ft | ||||
| SAUF1 - St. Augustine, FL | 53 mi | 64 min | NNW 5.1 G 5.1 | 80°F | 81°F | 1017.5 hPa (+1.2) | ||
| SAXG1 - Sapelo Island Reserve, GA | 58 mi | 64 min | Calm | 80°F | 1018 hPa (+2.0) | 77°F |
Wind History for Fernandina Beach, FL
(wind in knots) EDIT (on/off) Help| Last 24hr | ||||||||||||||||||||||||
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| 2 days ago |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Fernandina Beach Municipal Airport, FL | 3 mi | 69 min | no data | 10.00 mi | Fair | 79°F | 77°F | 97% | 1017.6 hPa |
| Jacksonville International Airport, FL | 12 mi | 68 min | N 0 | 2.50 mi | Fog/Mist | 75°F | 73°F | 96% | 1017.4 hPa |
| Mayport Naval Station - Adm David L. McDonald Field, FL | 15 mi | 72 min | N 0 | 10.00 mi | A Few Clouds | 81°F | 77°F | 88% | 1017.3 hPa |
| Jacksonville Craig Municipal Airport, FL | 19 mi | 71 min | N 0 | 10.00 mi | Fair | 77°F | 75°F | 94% | 1017.4 hPa |
Link to 5 minute data for KFHB
Wind History from FHB (wind in knots)
| 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | -12 PM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | |
| Last 24hr | ||||||||||||||||||||||||
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| 2 days ago | Calm | SE | SE | E | E | SE | SE | E | E | E | SE | SE | SE |
Tide / Current Tables for Nassauville, Florida
EDIT Weekend mode (on/off) (on/off) Help One Week of DataNassauville
Click for Map
Fri -- 12:18 AM EDT Moonrise
Fri -- 02:48 AM EDT 4.20 feet High Tide
Fri -- 06:57 AM EDT Sunrise
Fri -- 09:35 AM EDT 0.46 feet Low Tide
Fri -- 10:58 AM EDT Last Quarter
Fri -- 02:01 PM EDT Moonset
Fri -- 03:21 PM EDT 4.66 feet High Tide
Fri -- 07:59 PM EDT Sunset
Fri -- 10:23 PM EDT 1.01 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Fri -- 12:18 AM EDT Moonrise
Fri -- 02:48 AM EDT 4.20 feet High Tide
Fri -- 06:57 AM EDT Sunrise
Fri -- 09:35 AM EDT 0.46 feet Low Tide
Fri -- 10:58 AM EDT Last Quarter
Fri -- 02:01 PM EDT Moonset
Fri -- 03:21 PM EDT 4.66 feet High Tide
Fri -- 07:59 PM EDT Sunset
Fri -- 10:23 PM EDT 1.01 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
| 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 | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| 2.6 | 3.4 | 4 | 4.2 | 3.9 | 3.4 | 2.5 | 1.6 | 0.9 | 0.5 | 0.5 | 1.1 | 2.2 | 3.3 | 4.1 | 4.6 | 4.6 | 4.2 | 3.5 | 2.7 | 1.9 | 1.3 | 1 | 1.1 |
Tide / Current Tables for St. Johns River Entrance, Florida Current (3)
EDIT (on/off) Help One Week of DataSt. Johns River Entrance
Click for Map
Fri -- 12:18 AM EDT Moonrise
Fri -- 02:08 AM EDT 1.56 knots Max Flood
Fri -- 04:47 AM EDT -0.00 knots Slack
Fri -- 06:57 AM EDT Sunrise
Fri -- 07:19 AM EDT -1.76 knots Max Ebb
Fri -- 10:58 AM EDT Last Quarter
Fri -- 11:02 AM EDT 0.00 knots Slack
Fri -- 02:02 PM EDT Moonset
Fri -- 02:36 PM EDT 2.09 knots Max Flood
Fri -- 05:43 PM EDT -0.00 knots Slack
Fri -- 07:59 PM EDT -1.54 knots Max Ebb
Fri -- 07:59 PM EDT Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Fri -- 12:18 AM EDT Moonrise
Fri -- 02:08 AM EDT 1.56 knots Max Flood
Fri -- 04:47 AM EDT -0.00 knots Slack
Fri -- 06:57 AM EDT Sunrise
Fri -- 07:19 AM EDT -1.76 knots Max Ebb
Fri -- 10:58 AM EDT Last Quarter
Fri -- 11:02 AM EDT 0.00 knots Slack
Fri -- 02:02 PM EDT Moonset
Fri -- 02:36 PM EDT 2.09 knots Max Flood
Fri -- 05:43 PM EDT -0.00 knots Slack
Fri -- 07:59 PM EDT -1.54 knots Max Ebb
Fri -- 07:59 PM EDT Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
| 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 | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| 0.3 | 1.1 | 1.6 | 1.3 | 0.6 | -0.2 | -1.2 | -1.7 | -1.6 | -1.1 | -0.5 | -0 | 0.4 | 1.2 | 1.9 | 2 | 1.5 | 0.7 | -0.3 | -1.2 | -1.5 | -1.3 | -0.9 | -0.5 |
Weather Map and Satellite Images
(on/off) HelpWeather Map
GOES 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
Wind Forecast for Jacksonville, FL (9,2,3,4)
(on/off) Help
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 numerious 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. |