Friday, March24, 2017 L-36.com


Marine Weather and Tides
Eastpoint, FL

Version 3.4
What's New / NOTES
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:38AMSunset 6:58PM Friday March 24, 2017 8:51 PM CDT (01:51 UTC) Moonrise 4:19AMMoonset 3:37PM Illumination 7% Phase: Waning Crescent; Moon at 27 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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GMZ755 Coastal Waters From Apalachicola To Destin Fl Out 20 Nm- Coastal Waters From Ochlockonee River To Apalachicola Fl Out To 20 Nm-waters From Apalachicola To Destin Fl From 20 To 60 Nm- Waters From Suwannee River To Apalachicola Fl From 20 To 60 Nm- 934 Pm Edt Fri Mar 24 2017
.small craft should exercise caution through Saturday...
Rest of tonight..Southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 5 seconds. Protected waters a moderate chop.
Saturday..Southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 7 feet. Dominant period 6 seconds. Protected waters a moderate chop. Chance of showers and Thunderstorms in the afternoon.
Saturday night..Southeast winds 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 6 seconds. Protected waters a moderate chop. Chance of showers and Thunderstorms in the evening, then slight chance of showers and Thunderstorms after midnight.
Sunday..South winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 5 seconds. Protected waters a light chop. Slight chance of showers and Thunderstorms in the morning.
Sunday night and Monday..South winds 10 knots. Seas 2 to 3 feet. Dominant period 6 seconds. Protected waters a light chop.
Monday night and Tuesday..South winds 10 knots. Seas 1 to 2 feet. Protected waters a light chop. Slight chance of showers and Thunderstorms.
Tuesday night..South winds 5 to 10 knots. Seas 1 to 2 feet. Protected waters mostly smooth.
Wednesday..Southeast winds 10 knots. Seas 1 to 2 feet. Protected waters a light chop.
GMZ700 Synopsis For The Suwannee River To Destin Out To 60 Nm 934 Pm Edt Fri Mar 24 2017
Synopsis..Southeast winds around 15 to 20 knots and 3 to 5 feet seas will persist through Saturday. Winds and seas will lower Saturday night as an approaching low pressure system weakens and lifts northeastward. South winds and 1 to 3 feet seas will prevail through the remainder of the period.

7 Day Forecast for Marine Location Near Eastpoint, FL
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location: 29.72, -84.89     debug


Area Discussion for -
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Fxus62 ktae 250019
afdtae
area forecast discussion
national weather service tallahassee fl
819 pm edt Fri mar 24 2017

Update
A cold front will advance eastward into the lower mississippi
river valley overnight. Showers and thunderstorms will precede
the front but will not reach our western zones before daybreak.

The forecast is on track and no changes are necessary.

Prev discussion [730 pm edt]
Near term [through tonight]
The upper ridge will gradually move east overnight as an occluded
low cuts off while moving into the middle mississippi valley. The
response at the surface will be veering winds as we become
positioned closer and closer to the western periphery of surface
ridging. The more southerly component should result in some low
cloudiness beginning late tonight as isentropic ascent increases on
the 295k surface. Otherwise, no rain is expected with lows forecast
to fall into the upper 50s inland and lower 60s along the coast.

Short term [Saturday through Sunday night]
An upper level +pv anomaly and associated cut off low that can be
seen over the western ok panhandle this afternoon in satellite
imagery. This low will move into the eastern ok/ks border Saturday
morning, lift northeastward to mo/il border by around midnight, then
sweep off to the great lakes by Sunday night. The low pressure
system will be more or less vertically stacked through the weekend,
with the low aloft running out ahead (east) of the surface low
Sunday evening, which means the system is decaying. The surface
front associate with this weakening anomaly, currently stretching n-
s along central ks, ok, and tx, will lift northeastward through the
period and the front itself will never actually enter our area.

Still, scattered convection out ahead of it is expected to develop,
so there's around a 20-40% chance for showers and thunderstorms
Saturday and Sunday across much of the area, with higher chances
(around 50%) in western edge of our CWA Saturday afternoon/evening.

Model MLCAPE with this system will be around 500 j/kg locally, with
the highest values again being on the western edge of our forecast
area. The low level jet will be decaying and lifting northeastward
as the system approaches, so 0-1 km shear locally will be around 10
knots. Likewise, the mid and upper level jet will be weaker by the
time the system arrives here, so the deep layer shear will be around
30-40 knots. Damaging winds will be possible with these
thunderstorms Saturday afternoon/evening, though threat remains
marginal. Rainfall totals this weekend are expected to be around an
inch or less, with the highest totals west of a line from dothan, al
to panama city, fl.

Long term [Monday through Friday]
An upper level shortwave trough will move into the lower mississippi
valley Monday morning and lift northeastward to the mid-atlantic
through Tuesday. Locally, this will mean 20-30% chances for showers
and thunderstorms Monday through Tuesday, mostly northwest of a line
from valdosta, ga to perry, fl. We'll see a brief break in the
cloudiness and chances for rain mid-week, but our next system will
push from the southern plains into the lower mississippi valley by
Thursday, bringing back 20-30% chances for showers and
thunderstorms.

Aviation [through 00z Sunday]
Fair weather andVFR conditions will continue overnight. MVFR cigs
(2500 ft agl) will develop across much of the region early
Saturday morning, then lift toVFR CIGS by afternoon.

Marine
Southeast winds around 15 to 20 knots and 3 to 5 feet seas will
persist through Saturday. Winds and seas will lower Saturday night
as an approaching low pressure system weakens and lifts
northeastward. South winds and 1 to 3 feet seas will prevail
through the remainder of the period.

Fire weather
A weakening upper level disturbance will bring a slight chance of
rain to the region this weekend, mainly north and west of
tallahassee. Otherwise warm and relatively humid conditions (for
this time of year) will persist.

Hydrology
Storm total rainfall from the low pressure system moving through
this weekend is expected to be around an inch or less. This amount
of rain will not cause our local rivers, which are currently all
well below flood stage, to spike up. No flooding is forecast.

Preliminary point temps/pops
Tallahassee 56 79 60 80 58 / 0 10 10 10 10
panama city 63 73 65 75 63 / 0 30 30 20 10
dothan 58 78 60 81 61 / 0 40 40 20 10
albany 58 80 60 82 60 / 0 10 20 20 10
valdosta 55 81 59 81 57 / 0 10 10 20 10
cross city 55 81 58 80 56 / 0 0 10 10 10
apalachicola 62 75 64 76 62 / 0 10 20 10 10

Tae watches/warnings/advisories
Fl... High rip current risk until 8 pm edt /7 pm cdt/ this evening for
coastal franklin-south walton.

Ga... None.

Al... None.

Gm... None.

Update... Barry
near term... Harrigan
short term... Moore
long term... Moore
aviation... Fournier
marine... Moore
fire weather... Fournier
hydrology... Moore


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
APCF1 - 8728690 - Apalachicola, FL 5 mi51 min Calm G 1
APXF1 - Apalachicola Reserve, FL 5 mi66 min NW 1.9 66°F 56°F
SGOF1 - Tyndall AFB Tower C (N4), FL 22 mi51 min N 7 G 7 67°F 1024.9 hPa (-0.0)61°F
SHPF1 - SHP - Shell Point, FL 39 mi117 min W 5.1 G 6 71°F 1023.5 hPa

Wind History for Apalachicola, FL
(wind in knots)    EDIT      (on/off)   Help
-12
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Last
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E13
G16
E12
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G15
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G14
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G16
E11
G14
E9
G12
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G12
SE10
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SE6
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SE4
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N4
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G12
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G7
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NE13
G18
E14
G17
E11
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E12
G15
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G16
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E15
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E11
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G14
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G14
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G21
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ago
W5
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G7
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G7
W6
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G8
W3
NW4
NW7
G14
NW7
G10
N3
N5
G8
SW6
N6
SW10
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G11
W6
W5
G10
NW2
NW4
G7

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Apalachicola, Apalachicola, FL7 mi58 minN 010.00 miFair64°F57°F78%1024.3 hPa

Wind History from AAF (wind in knots)
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Last 24hrE14
G22
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E10E11
G18
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E10E9
G16
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E9E9
G19
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SE12
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SE12SE10SE9SE5NE3Calm
1 day agoNW8NW5NW7N7NE12E12
G18
E10
G19
E8E11
G18
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G18
E10E8
G17
E12
G20
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G20
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G21
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G18
E9
G16
E11
G18
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G15
E10E8E13
G20
2 days agoW5W7W8W9W8W8W9W7W6W8NW9NW13NW8NW9NW5NE4N5SW7
G16
SW9SW10W11W10W8NW6

Tide / Current Tables for Cat Point, Apalachicola Bay, Florida
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Cat Point
Click for Map
Fri -- 12:09 AM EDT     1.37 feet High Tide
Fri -- 05:19 AM EDT     Moonrise
Fri -- 07:34 AM EDT     -0.00 feet Low Tide
Fri -- 07:38 AM EDT     Sunrise
Fri -- 02:52 PM EDT     1.38 feet High Tide
Fri -- 04:36 PM EDT     Moonset
Fri -- 07:39 PM EDT     0.46 feet Low Tide
Fri -- 07:53 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.41.31.20.90.70.40.2000.10.40.711.21.31.41.310.70.50.50.60.81.1

Tide / Current Tables for St. George Island, Rattlesnake Cove, St. George Sound, Florida
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St. George Island
Click for Map
Fri -- 05:18 AM EDT     Moonrise
Fri -- 07:16 AM EDT     -0.00 feet Low Tide
Fri -- 07:37 AM EDT     Sunrise
Fri -- 02:32 PM EDT     1.72 feet High Tide
Fri -- 04:36 PM EDT     Moonset
Fri -- 07:21 PM EDT     0.92 feet Low Tide
Fri -- 07:53 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.71.61.41.10.70.40.1000.20.60.91.31.61.71.71.51.31.10.90.91.11.31.5

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Southeast    EDIT
Geos

Wind Forecast for (21,6,7,8)
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Ground Weather Radar Station Tallahassee, FL
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weather_mapweather_map weather_map

Gulf Stream Current


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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.