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Marine Weather and Tides
Version 3.4 |
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 6:32AM | Sunset 8:31PM | Thursday July 18, 2019 1:56 PM EDT (17:56 UTC) | Moonrise 8:59PM | Moonset 7:00AM | Illumination 97% |  |
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- 852 Am Edt Thu Jul 18 2019
Rest of today..South southeast winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 6 seconds. Inland waters a light chop. A slight chance of showers and Thunderstorms.
Tonight..South southwest winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a moderate chop. A slight chance of showers and Thunderstorms.
Friday..South winds 10 to 15 knots. Seas 2 to 3 feet. Inland waters a light chop. A chance of showers and Thunderstorms.
Friday night..South southwest winds 10 to 15 knots. Seas 2 to 3 feet. Inland waters a light chop. A slight chance of showers and Thunderstorms.
Saturday..South southwest winds 5 to 10 knots becoming south southeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Inland waters a light chop. A slight chance of showers and Thunderstorms.
Saturday night..South winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and Thunderstorms.
Sunday..South winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and a slight chance of Thunderstorms.
Sunday night..South southwest winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and Thunderstorms.
Monday..South winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and a slight chance of Thunderstorms.
Rest of today..South southeast winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 6 seconds. Inland waters a light chop. A slight chance of showers and Thunderstorms.
Tonight..South southwest winds 10 to 15 knots. Seas 2 to 4 feet. Inland waters a moderate chop. A slight chance of showers and Thunderstorms.
Friday..South winds 10 to 15 knots. Seas 2 to 3 feet. Inland waters a light chop. A chance of showers and Thunderstorms.
Friday night..South southwest winds 10 to 15 knots. Seas 2 to 3 feet. Inland waters a light chop. A slight chance of showers and Thunderstorms.
Saturday..South southwest winds 5 to 10 knots becoming south southeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Inland waters a light chop. A slight chance of showers and Thunderstorms.
Saturday night..South winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and Thunderstorms.
Sunday..South winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and a slight chance of Thunderstorms.
Sunday night..South southwest winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and Thunderstorms.
Monday..South winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and a slight chance of Thunderstorms.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 852 Am Edt Thu Jul 18 2019
Synopsis.. The region will be between high pressure to the east-southeast and a trough of low pressure to the northwest into early next week.
Gulf stream.. The approximate location of the west wall of the gulf stream as of jul 18, 2019 at 1200 utc... 53 nautical miles east of flagler beach. 65 nautical miles east of saint augustine beach. 77 nautical miles east of jacksonville beach. 92 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.
Synopsis.. The region will be between high pressure to the east-southeast and a trough of low pressure to the northwest into early next week.
Gulf stream.. The approximate location of the west wall of the gulf stream as of jul 18, 2019 at 1200 utc... 53 nautical miles east of flagler beach. 65 nautical miles east of saint augustine beach. 77 nautical miles east of jacksonville beach. 92 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.
7 Day Forecast for Marine Location Near Dock Junction, GA
Hourly EDIT Helplocation: 31.21, -81.55 debug
Area Discussion for - Jacksonville, FL
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus62 kjax 181350 afdjax area forecast discussion national weather service jacksonville fl 950 am edt Thu jul 18 2019 Continued hot and humid with scattered storms... Update High pressure ridge axis responsible for the widespread heat and humidity continues to slowly flatten and drift southward today. This combined with a few high clouds will take just a slight edge off the temps this afternoon, but overall still expect highs in the lower to middle 90s across NE fl and middle to upper 90s across SE ga and still combined with the humidity expect heat indices "feels-like" values still peaking around 105 degrees early to mid afternoon hours. Morning soundings showing just a slight nudge downward in precipitable water amounts (pwats) into the 1.8" to 2.0" range along with some slight warming at 500mb to around -6c. This all leads to slightly less storm coverage to 40-50% this afternoon and early evening and with ridge axis weakening even slower storm motion around 5 mph or less as sea breeze fronts push even slower inland and storm mergers outflows taking over through the rest of the afternoon and evening. Isolated strong to severe storms with 40-60 mph winds still possible in local wet microburst potential in the most intense storms. The usual decrease in storm activity after sunset with the all-clear around midnight. The slight increase in westerly flow aloft across SE ga will push a few of the storms all the way to the beaches, while storms along the east coast sea breeze in NE fl should just stay inland from the coast and drift slowly southwest through the rest of the day. |
Aviation MainlyVFR conds this morning with a few high clouds, otherwise deep moisture in place will continue a chance for storms at the taf sites once again today, just a bit later than y'day with timing mainly in the 19-22z time frame with tempo gusty winds to 25 knots and potential ifr vsbys and MVFR cigs. Again becoming vfr after 00z as storms fade again after sunset. Marine High pressure ridge axis across the waters will continue south winds through tonight at 10-15 knots with seas 1-3 ft. Just enough upwelling to continue to drop sauf1 (st augustine pier) water temps down into the upper 70s during the morning hours. Storms will develop once again right at the sea breeze along the coast and will mainly stay inland along NE fl coast, but may push into the nearshore SE ga waters with some light westerly winds aloft. Preliminary point temps pops Amg 97 73 92 73 40 30 40 20 ssi 90 77 90 76 40 20 30 20 jax 94 74 93 74 50 20 40 20 sgj 91 75 90 75 40 20 40 20 gnv 93 73 91 73 50 20 40 20 ocf 92 73 91 73 50 20 40 20 Jax watches warnings advisories Fl... None. Ga... None. Am... None. 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 |
| SAXG1 - Sapelo Island Reserve, GA | 20 mi | 56 min | S 11 | 91°F | 1018 hPa (-1.0) | 78°F | ||
| FRDF1 - 8720030 - Fernandina Beach, FL | 37 mi | 56 min | S 5.1 G 8.9 | 93°F | 86°F | 1019.6 hPa (-0.4) | ||
| 41112 - Offshore Fernandina Beach, FL (132) | 37 mi | 26 min | 84°F | 1 ft | ||||
| 41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA | 38 mi | 66 min | SW 14 G 16 | 82°F | 85°F | 2 ft | 1018.4 hPa (+0.0) | 77°F |
Wind History for Fernandina Beach, FL
(wind in knots) EDIT (on/off) Help| 1 PM | 2 PM | 3 PM | 4 PM | 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 | |
| Last 24hr | N | E G9 | E G9 | SE G13 | S G7 | SW G10 | W G13 | W G10 | W | W | SW | SE G8 | W | S | SW | -- | W | S | S | S | S G8 | S G8 | SW G8 | W G8 |
| 1 day ago | N | E G11 | E G10 | E G8 | E G11 | SE G12 | SE | SE | SE G5 | SE | SE | S | S | W | SW | S | SW | S | S | SW G6 | W | W G7 | W | NW G4 |
| 2 days ago | NE | W | E G8 | SE G8 | SE G8 | SE | SE G12 | SE G6 | SE | S | S | SW | SW | SW | SW G10 | SW G6 | W | SW | SW G5 | W | W | NW | W G7 | W |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Brunswick / Glynco, GA | 6 mi | 61 min | WSW 4 | 10.00 mi | Fair | 92°F | 73°F | 56% | 1018.3 hPa |
| Brunswick, Malcolm McKinnon Airport, GA | 10 mi | 63 min | SSE 9 | 10.00 mi | Fair | 90°F | 75°F | 62% | 1018.4 hPa |
Wind History from BQK (wind in knots)
| 3 PM | 4 PM | 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 | |
| Last 24hr | SE | Calm | SW | NW | SE | SW G20 | W | W | W | Calm | W | SW | SW | W | SW | W | SW | W | SW | SW | SW | W | Calm | S |
| 1 day ago | NW | E | E | E | E | S | SE | S | Calm | Calm | Calm | SW | Calm | Calm | SW | SW | Calm | Calm | W | NW | N | N | SE | NW |
| 2 days ago | W | W | W | N | N | Calm | S | S | SW | E | Calm | SW | SW | W | SW | SW | Calm | Calm | W | NW | NW | NW | N | N |
Tide / Current Tables for Crispen Island, Turtle River, Georgia
EDIT Weekend mode (on/off) (on/off) Help One Week of DataCrispen Island
Click for Map
Thu -- 04:56 AM EDT 0.17 feet Low Tide
Thu -- 06:34 AM EDT Sunrise
Thu -- 08:00 AM EDT Moonset
Thu -- 11:16 AM EDT 7.44 feet High Tide
Thu -- 04:53 PM EDT 0.35 feet Low Tide
Thu -- 08:30 PM EDT Sunset
Thu -- 09:59 PM EDT Moonrise
Thu -- 11:43 PM EDT 8.52 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Thu -- 04:56 AM EDT 0.17 feet Low Tide
Thu -- 06:34 AM EDT Sunrise
Thu -- 08:00 AM EDT Moonset
Thu -- 11:16 AM EDT 7.44 feet High Tide
Thu -- 04:53 PM EDT 0.35 feet Low Tide
Thu -- 08:30 PM EDT Sunset
Thu -- 09:59 PM EDT Moonrise
Thu -- 11:43 PM EDT 8.52 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 |
| 8.3 | 6.9 | 4.9 | 2.7 | 0.8 | 0.2 | 0.7 | 2.1 | 3.8 | 5.5 | 6.8 | 7.4 | 7.1 | 6 | 4.3 | 2.4 | 0.9 | 0.4 | 0.9 | 2.3 | 4.1 | 6 | 7.4 | 8.3 |
Tide / Current Tables for Mackay River (Daymark 239), Georgia
EDIT (on/off) Help One Week of DataTide / Current data from XTide NOT FOR NAVIGATION
Weather Map and Satellite Images
(on/off) HelpWeather Map
GOES Local Image of Southeast 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 (13,3,4,5)
(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. |