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Marine Weather and Tides
Version 3.4 |
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome. 10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name. |
| Sunrise 6:59AM | Sunset 6:18PM | Wednesday February 20, 2019 4:32 PM EST (21:32 UTC) | Moonrise 7:42PM | Moonset 7:55AM | Illumination 98% |  |
AMZ452 Expires:201902210345;;243734 Fzus52 Kjax 201939 Cwfjax Coastal Waters Forecast For Northeast Florida/southeast Georgia National Weather Service Jacksonville Fl 239 Pm Est Wed Feb 20 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. Amz450-452-454-210345- 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- 239 Pm Est Wed Feb 20 2019
.small craft exercise caution due to seas...
Tonight..South winds 5 to 10 knots. Seas 4 to 6 feet with occasional seas up to 7 feet. Dominant period 8 seconds. Inland waters smooth. Showers likely in the evening.
Thursday..South southeast winds 5 to 10 knots. Seas 2 to 4 feet. Dominant period 8 seconds. Inland waters a light chop. Areas of fog in the morning.
Thursday night..South winds 5 to 10 knots. Seas 2 to 4 feet. Dominant period 8 seconds. Inland waters a light chop. A slight chance of showers in the evening.
Friday..Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Dominant period 8 seconds. Inland waters a light chop. A slight chance of showers in the afternoon.
Friday night..Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Inland waters smooth. A chance of showers.
Saturday..South southeast winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a light chop. A chance of showers.
Saturday night..South southwest winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Sunday..West winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a moderate chop. Showers likely.
Sunday night..North northwest winds 15 to 20 knots. Seas 2 to 4 feet. Inland waters a moderate chop. A slight chance of showers and Thunderstorms.
Monday..Northeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Inland waters choppy. A slight chance of showers.
.small craft exercise caution due to seas...
Tonight..South winds 5 to 10 knots. Seas 4 to 6 feet with occasional seas up to 7 feet. Dominant period 8 seconds. Inland waters smooth. Showers likely in the evening.
Thursday..South southeast winds 5 to 10 knots. Seas 2 to 4 feet. Dominant period 8 seconds. Inland waters a light chop. Areas of fog in the morning.
Thursday night..South winds 5 to 10 knots. Seas 2 to 4 feet. Dominant period 8 seconds. Inland waters a light chop. A slight chance of showers in the evening.
Friday..Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Dominant period 8 seconds. Inland waters a light chop. A slight chance of showers in the afternoon.
Friday night..Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Inland waters smooth. A chance of showers.
Saturday..South southeast winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a light chop. A chance of showers.
Saturday night..South southwest winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Sunday..West winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a moderate chop. Showers likely.
Sunday night..North northwest winds 15 to 20 knots. Seas 2 to 4 feet. Inland waters a moderate chop. A slight chance of showers and Thunderstorms.
Monday..Northeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Inland waters choppy. A slight chance of showers.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 239 Pm Est Wed Feb 20 2019
Synopsis..A warm front across the waters will lift north of the area tonight. Patchy sea fog will be possible at times mainly near the coast tonight and Thursday. Weak high pressure ridge will lift north to central florida tonight through Friday morning. Another backdoor cold front will move into the coastal georgia waters late Friday, lifting back north by Saturday. A stronger cold front will move across the region on Sunday.
Gulf stream.. The approximate location of the west wall of the gulf stream as of feb 18, 2019 at 1200 utc... 69 nautical miles east of flagler beach. 75 nautical miles east of saint augustine beach. 86 nautical miles east of jacksonville beach. 99 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.
Synopsis..A warm front across the waters will lift north of the area tonight. Patchy sea fog will be possible at times mainly near the coast tonight and Thursday. Weak high pressure ridge will lift north to central florida tonight through Friday morning. Another backdoor cold front will move into the coastal georgia waters late Friday, lifting back north by Saturday. A stronger cold front will move across the region on Sunday.
Gulf stream.. The approximate location of the west wall of the gulf stream as of feb 18, 2019 at 1200 utc... 69 nautical miles east of flagler beach. 75 nautical miles east of saint augustine beach. 86 nautical miles east of jacksonville beach. 99 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.
7 Day Forecast for Marine Location Near Atlantic Beach, FL
Hourly EDIT Helplocation: 30.39, -81.4 debug
Area Discussion for - Jacksonville, FL
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus62 kjax 202024 afdjax area forecast discussion national weather service jacksonville fl 324 pm est Wed feb 20 2019 Short term Tonight and thurday... Warm front lifting north today to near the fl-ga line and will push north of the area this evening. Temperatures has reach the lower 80s with winds becoming s to SE across inland NE fl with scattered light showers. Expect scattered showers through the evening hours as instability increases this afternooon with heating and frontal passage. Isolated thunder possible over inland areas of NE fl this afternoon where surface based capes have reached the 1000-1500 j kg range. Showers will fade by late evening with low temperatures only falling into the 60s. Southerly flow with abundant low level moisture will lead to stratus reforming tonight with areas of fog including over the coastal waters. Drier and more stable air over the area on Thursday will result in only isolated showers over southern zones in the afternoon. Temperatures will be warm with highs reaching the 80s inland(near record levels)... And upper 70s near the coast where an afternoon seabreeze will develop. Thursday night through Saturday night... Deep layer high pressure will remain to the ese with a frontal boundary to the nw. Warm and humid conditions will continue with much above normal temperatures. High temperatures will reach the 80s inland... And upper 70s beaches where a daily seabreeze will develop. Low temperatures will be in the 60s with nightly fog possible. Isolated showers will be possible mainly during the afternoon hours. Long term Sunday through Wednesday... A cold front will slowly move across SE ga and NE fl on Sunday reaching central fl by 12z Monday. Showers will be likely on Sunday with a slight chance for thunderstorms... Decreasing Sunday evening. Models differ with timing next week in bringing the front back north with widespread rain into the area. ECMWF brings rain in on Tuesday with the gfs slower with rain arriving on Wednesday. Temperatures should be at or above normal through the period. Aviation Widespread MVFR CIGS still possible this afternoon as scattered showers will progress through all TAF sites and have kept in vcsh and will monitor for any tempo groups that may be |
needed. More low clouds and fog to develop tonight with ifr conds likely by the 06-09z time frame and possibly lifr by 09z and have trended this direction with latest TAF issuance. May need to go lower at ssi if sea fog develops again late tonight. Improving conds expected in the 14-15z time frame withVFR conds expected as south winds mix out the low clouds with CIGS expected just above 3000 feet by the afternoon. Marine A warm front will move across the waters this evening and then to the north of the area tonight. Elevated seas will maintain the SCA for offshore waters tonight with scec headline for the near shore waters. Winds will veer to the south tonight with wind speeds up to 15 knots through Saturday. A cold front will move into the region on Sunday with scec conditions possible Saturday night through Monday. Rip currents: high risk today and moderate risk on Thursday. Climate Record MAX temps for february 21st.. Jax 85 1997... Gnv 86 2018... Amg 87 2018... Ssi 82 2011 record MAX temps for february 22nd... jax 85 1962... Gnv 86 2013... Amg 84 2018... Ssi 81 2011 Preliminary point temps pops Amg 61 83 61 84 0 0 10 20 ssi 60 75 61 76 50 0 10 20 jax 62 83 63 83 70 0 10 30 sgj 61 78 62 79 70 10 20 10 gnv 62 84 63 85 10 0 10 20 ocf 61 85 63 85 10 0 20 10 Jax watches warnings advisories Fl... High rip current risk until 7 pm est this evening for coastal duval-coastal flagler-coastal nassau-coastal st. Johns. Ga... None. Am... Small craft advisory until 4 am est Thursday for waters from altamaha sound ga to fernandina beach fl from 20 to 60 nm- waters from fernandina beach to st. Augustine fl from 20 to 60 nm-waters from st. Augustine to flagler beach fl from 20 to 60 nm. Zibura hess bricker |
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 |
| MYPF1 - 8720218 - Mayport (Bar Pilots Dock), FL | 2 mi | 39 min | SSE 7 G 13 | 73°F | 62°F | 1017.6 hPa | ||
| LTJF1 | 3 mi | 39 min | 76°F | 68°F | ||||
| BLIF1 | 7 mi | 39 min | E 9.9 G 12 | 76°F | 1018.4 hPa | 76°F | ||
| DMSF1 | 8 mi | 39 min | 63°F | |||||
| FRDF1 - 8720030 - Fernandina Beach, FL | 20 mi | 39 min | SE 5.1 G 8 | 70°F | 63°F | 1018.8 hPa | ||
| 41112 - Offshore Fernandina Beach, FL (132) | 23 mi | 33 min | 59°F | 5 ft | ||||
| 41117 | 32 mi | 33 min | 61°F | 6 ft | ||||
| SAUF1 - St. Augustine, FL | 38 mi | 33 min | S 13 G 14 | 65°F | 61°F | 1017.7 hPa (-1.7) | ||
| RCYF1 | 42 mi | 39 min | 69°F | |||||
| GTXF1 - Guana Tolomato Matanzas Reserve, FL | 51 mi | 108 min | SE 7 | 73°F | 1019 hPa | 73°F |
Wind History for Fernandina Beach, FL
(wind in knots) EDIT (on/off) Help| 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 | -12 PM | 4 PM | |
| Last 24hr | N G18 | N G17 | N G18 | N G23 | N G18 | N G26 | N G25 | N G20 | N G16 | N G15 | N G13 | N G11 | N G10 | N G8 | NW | NW | N | NW | NW | E | E | E G7 | E G8 | |
| 1 day ago | N G10 | N | N G8 | NW | NW | N | N G8 | N | N G11 | NE G13 | NE G9 | NE G7 | NE G10 | NE G11 | N G15 | NE G14 | NE G14 | N G21 | N G20 | NE G17 | N G21 | NE G21 | N G17 | |
| 2 days ago | SE G8 | SE G9 | SE G6 | SE G9 | SE G9 | SE | SE | S | S | S | S | S G7 | S | S G7 | S | S G6 | S G8 | S G9 | SW G14 | SW G11 | N G22 | N G15 | N G15 | NE |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Mayport Naval Station - Adm David L. McDonald Field, FL | 1 mi | 41 min | SSE 13 | 7.00 mi | Overcast | 74°F | 66°F | 79% | 1017.6 hPa |
| Jacksonville Craig Municipal Airport, FL | 8 mi | 40 min | SSE 10 | 10.00 mi | Mostly Cloudy | 79°F | 69°F | 72% | 1017.3 hPa |
| Fernandina Beach Municipal Airport, FL | 16 mi | 38 min | E 6 | 10.00 mi | Overcast | 67°F | 63°F | 87% | 1017.9 hPa |
| Jacksonville International Airport, FL | 17 mi | 37 min | ENE 7 | 8.00 mi | Light Rain | 75°F | 68°F | 79% | 1017.2 hPa |
| Jacksonville Naval Air Station, FL | 18 mi | 40 min | S 7 | 10.00 mi | Mostly Cloudy | 81°F | 68°F | 65% | 1016.7 hPa |
Wind History from NRB (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 24hr | N | N G23 | N G24 | N G25 | N G27 | N G24 | N G25 | N | N | N | N | NW | N | N | N | N | NE | NE | NE | NE | NE | E | SE | |
| 1 day ago | NE | NE | NE | NE | N | N | N | N | N | N | NE | NE | NE | NE | NE | E | N | N | N | N G20 | N G23 | N G23 | N G23 | N G24 |
| 2 days ago | E | SE | SE | S | S | S | Calm | Calm | S | S | SW | S | SW | SW | S | S | SW | SW | SW G21 | SW G17 | W | N G28 | N | NE |
Tide / Current Tables for St. Johns River at Navy degaussing structure, Florida
EDIT RT Ports Option Weekend mode (on/off) (on/off) Help One Week of DataSt. Johns River at Navy degaussing structure
Click for Map
Wed -- 02:08 AM EST -2.96 feet Low Tide
Wed -- 07:01 AM EST Sunrise
Wed -- 07:54 AM EST Moonset
Wed -- 08:38 AM EST 3.83 feet High Tide
Wed -- 02:44 PM EST -3.18 feet Low Tide
Wed -- 06:17 PM EST Sunset
Wed -- 07:42 PM EST Moonrise
Wed -- 09:10 PM EST 3.21 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 02:08 AM EST -2.96 feet Low Tide
Wed -- 07:01 AM EST Sunrise
Wed -- 07:54 AM EST Moonset
Wed -- 08:38 AM EST 3.83 feet High Tide
Wed -- 02:44 PM EST -3.18 feet Low Tide
Wed -- 06:17 PM EST Sunset
Wed -- 07:42 PM EST Moonrise
Wed -- 09:10 PM EST 3.21 feet High 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 |
| -1.2 | -2.4 | -2.9 | -2.6 | -1.6 | -0.1 | 1.4 | 2.8 | 3.7 | 3.8 | 3 | 1.5 | -0.3 | -1.9 | -2.9 | -3.2 | -2.5 | -1.3 | 0.1 | 1.6 | 2.7 | 3.2 | 2.9 | 1.9 |
Tide / Current Tables for St. Johns River Entrance, Florida Current (2) (expired 1999-12-31)
EDIT (on/off) Help One Week of DataSt. Johns River Entrance
Click for Map
Wed -- 01:34 AM EST -3.02 knots Max Ebb
Wed -- 05:37 AM EST 0.00 knots Slack
Wed -- 07:01 AM EST Sunrise
Wed -- 07:54 AM EST Moonset
Wed -- 08:13 AM EST 2.94 knots Max Flood
Wed -- 11:10 AM EST -0.01 knots Slack
Wed -- 02:09 PM EST -3.03 knots Max Ebb
Wed -- 06:13 PM EST 0.00 knots Slack
Wed -- 06:17 PM EST Sunset
Wed -- 07:42 PM EST Moonrise
Wed -- 08:39 PM EST 2.65 knots Max Flood
Wed -- 11:28 PM EST -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 01:34 AM EST -3.02 knots Max Ebb
Wed -- 05:37 AM EST 0.00 knots Slack
Wed -- 07:01 AM EST Sunrise
Wed -- 07:54 AM EST Moonset
Wed -- 08:13 AM EST 2.94 knots Max Flood
Wed -- 11:10 AM EST -0.01 knots Slack
Wed -- 02:09 PM EST -3.03 knots Max Ebb
Wed -- 06:13 PM EST 0.00 knots Slack
Wed -- 06:17 PM EST Sunset
Wed -- 07:42 PM EST Moonrise
Wed -- 08:39 PM EST 2.65 knots Max Flood
Wed -- 11:28 PM EST -0.00 knots Slack
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 |
| -2.1 | -2.9 | -3 | -2.5 | -1.7 | -0.8 | 0.6 | 2.1 | 2.9 | 2.7 | 1.8 | 0.3 | -1.4 | -2.6 | -3 | -2.8 | -2.2 | -1.4 | -0.3 | 1.2 | 2.4 | 2.6 | 1.9 | 0.7 |
Weather Map and Satellite Images
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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 (16,3,4,5)
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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. |