Thursday, April25, 2019 L-36.com


Marine Weather and Tides
Brunswick, GA

Version 3.4
What's New / NOTES
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 6:45AMSunset 8:02PM Thursday April 25, 2019 10:01 PM EDT (02:01 UTC) Moonrise 12:20AMMoonset 10:47AM Illumination 60% Phase: Waning Gibbous; Moon at 21 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- 853 Pm Edt Thu Apr 25 2019
.small craft exercise caution...
Rest of tonight..South southwest winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 5 seconds. Inland waters a moderate chop. A chance of showers and slight chance of Thunderstorms towards morning.
Friday..West southwest winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 5 seconds. Inland waters choppy. Scattered showers and Thunderstorms.
Friday night..North northwest winds 15 to 20 knots. Seas 2 to 4 feet. Dominant period 4 seconds. Inland waters a moderate chop.
Saturday..North northeast winds 10 to 15 knots becoming southeast 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Dominant period 7 seconds. Inland waters a light chop.
Saturday night..South winds 5 to 10 knots. Seas 1 to 2 feet. Inland waters a light chop.
Sunday and Sunday night..South southeast winds 10 to 15 knots. Seas 2 to 3 feet. Inland waters a moderate chop.
Monday..East southeast winds 5 to 10 knots. Seas 1 to 2 feet. Inland waters a light chop.
Monday night and Tuesday..East southeast winds 5 to 10 knots. Seas 2 to 3 feet. Inland waters mostly smooth.
AMZ400 Synopsis For Altamaha Sound Ga To Flagler Beach Fl Out To 60 Nm- 853 Pm Edt Thu Apr 25 2019
Synopsis.. Southerly winds will increase over the waters through tonight ahead of an approaching cold front. The front will cross the waters Friday with showers and Thunderstorms. High pressure will build west of the region Saturday, then over the local waters Sunday. High pressure will build offshore of southeast atlantic coast Monday.
Gulf stream.. The approximate location of the west wall of the gulf stream as of apr 25, 2019 at 1200 utc... 69 nautical miles east of flagler beach. 80 nautical miles east of saint augustine beach. 96 nautical miles east southeast of jacksonville beach. 110 nautical miles east southeast of st simons island. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Brunswick, GA
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location: 31.14, -81.52     debug


Area Discussion for - Jacksonville, FL
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Fxus62 kjax 260119
afdjax
area forecast discussion
national weather service jacksonville fl
919 pm edt Thu apr 25 2019

Marginal risk of severe weather after midnight into Friday
morning...

Update
Strong shortwave ahead of cold front pushing across the fl
panhandle this evening with numerous showers and embedded strong
storms that are still expected to push into the suwannee river
valley and inland SE ga just after midnight and slowly progress se
down the i-75 corridor and towards the atlc coast towards morning
in a split fashion as the stronger storms remain along the i-75
corridor of NE fl while weaker showers and storms will drift onto
the atlc coast and i-95 corridor by sunrise Friday morning. The
best chance of strong isolated severe storms will remain closer to
the big bend region and i-75 corridor of inland north fl and
inland SE ga with a few damaging wind gusts the main threat, while
a few strong storms will be possible elsewhere the loss of energy
of this system as it tracks eastward and timing of diurnal temp
minimum will reduce the severe threat as storms track away from
the NE gomex. Rainfall amounts of 0.50-1.00" possible over far
inland areas with greatest storm risk while amounts of around
0.25" are expected elsewhere. Temps will fall into the upper
60s near 70 late this evening then remain steady the remainder of
the night ahead of the approaching system. The shortwave will
continue to produce some showers and storms across NE fl and
coastal SE ga in the morning hours, then fade by the afternoon
hours as the shortwave pushes offshore. Local surface winds will
increase ahead of the approaching cold front during the late
morning and early afternoon hours with west to southwest winds at
15-25 mph with gusts to 30-35 mph possible, but conditions should
remain below wind advisory levels of 40 mph. MAX temps a bit
tricky with the morning timing of convection but expect enough
partial clearing by the afternoon ahead of trailing cold front to
push highs back into the lower to middle 80s.

Aviation
Vfr with increasing mid high clouds this evening, then pre-frontal
showers reach the TAF sites by 06-09z and have kept vcsh in place
then in the 09-15z time frame will be the best threat for shower
activity and embedded storms with gnv having the highest chance of
MVFR CIGS vsbys from approaching frontal system. Gusty SW winds at
10-15g20-25 knots develop by 15z and shift to the west during the
afternoon at all TAF sites, while predominantVFR conds return to
all TAF sites after 18z.

Marine
Southerly winds increase to 15 to 20 knots ahead of approaching
system tonight with seas building to 3 to 6 feet. A weakening line
of showers and embedded storms will push into the waters just
after sunrise and impact the waters with some gusty winds and
heavy rainfall and lightning strikes through the morning with a
decreasing trend in rainfall chances by the afternoon. Offshore
west to southwest winds will increase following the storm activity
in the afternoon hours to 20-25 knots with seas of 3-7 ft.

Preliminary point temps pops
Amg 65 82 50 84 50 50 0 0
ssi 69 81 59 77 20 30 0 0
jax 67 86 53 82 40 50 0 0
sgj 67 85 60 79 10 50 0 0
gnv 66 85 53 85 60 70 0 0
ocf 66 84 53 86 30 70 0 0

Jax watches warnings advisories
Fl... None.

Ga... None.

Am... Small craft advisory from 10 am Friday to 4 am edt Saturday 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.

Hess bricker


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SAXG1 - Sapelo Island Reserve, GA 23 mi62 min SSE 8.9 71°F 1013 hPa (-0.0)67°F
FRDF1 - 8720030 - Fernandina Beach, FL 32 mi32 min SSE 7 G 9.9 74°F 75°F1013.8 hPa
41112 - Offshore Fernandina Beach, FL (132) 32 mi32 min 71°F3 ft
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 39 mi72 min SSE 14 G 18 71°F 71°F3 ft1012.8 hPa (-1.3)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, GA7 mi69 minSSE 810.00 miFair73°F66°F81%1013.5 hPa
Brunswick / Glynco, GA9 mi67 minSSE 910.00 miFair72°F66°F83%1013.5 hPa

Wind History from SSI (wind in knots)
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Last 24hrCalmS3CalmSW3CalmCalmCalmCalmCalmCalmCalmNW3SE6SE5SE6SE8SE9SE10SE10SE11SE11SE11
G19
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1 day agoS7S5SW6SW7SW7SW9SW9SW8SW10SW8W8W65SW7SW7S9S6S8SE8S8S9S6S6S5
2 days agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSW5SW6SW5S6S8S7SE10SE10SE10S8SE8S6S6S6

Tide / Current Tables for Brunswick, East River, Georgia
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Brunswick
Click for Map
Thu -- 01:19 AM EDT     Moonrise
Thu -- 02:14 AM EDT     7.22 feet High Tide
Thu -- 06:47 AM EDT     Sunrise
Thu -- 08:25 AM EDT     0.90 feet Low Tide
Thu -- 11:47 AM EDT     Moonset
Thu -- 02:36 PM EDT     6.32 feet High Tide
Thu -- 08:00 PM EDT     Sunset
Thu -- 08:25 PM EDT     1.26 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.76.77.276.14.83.21.8111.834.35.56.26.35.64.53.121.31.42.13.2

Tide / Current Tables for St. Johns River Entrance, Florida Current (3)
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St. Johns River Entrance
Click for Map
Thu -- 12:56 AM EDT     2.18 knots Max Flood
Thu -- 01:19 AM EDT     Moonrise
Thu -- 04:10 AM EDT     -0.00 knots Slack
Thu -- 06:37 AM EDT     -1.46 knots Max Ebb
Thu -- 06:47 AM EDT     Sunrise
Thu -- 11:12 AM EDT     0.00 knots Slack
Thu -- 11:48 AM EDT     Moonset
Thu -- 01:24 PM EDT     1.54 knots Max Flood
Thu -- 04:19 PM EDT     -0.00 knots Slack
Thu -- 06:38 PM EDT     -1.36 knots Max Ebb
Thu -- 08:00 PM EDT     Sunset
Thu -- 11:07 PM EDT     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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1.82.21.91.20.2-0.9-1.4-1.4-1.3-1-0.8-0.20.81.51.410.3-0.6-1.3-1.3-1.1-0.8-0.5-0.1

Weather Map and Satellite Images
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wmap_A
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.
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Wind Forecast for Jacksonville, FL (22,6,7,8)
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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.