Monday, October18, 2021
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Marine Weather and Tides
Skidaway Island, GA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:28AMSunset 6:49PM Monday October 18, 2021 4:03 PM EDT (20:03 UTC) Moonrise 5:08PMMoonset 4:30AM Illumination 95% Phase: Waxing Gibbous; Moon at 13 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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AMZ354 Waters From Savannah Ga To Altamaha Sound Ga Out 20 Nm, Including Grays Reef National Marine Sanctuary- 259 Pm Edt Mon Oct 18 2021
Tonight..NE winds 10 kt. Seas 2 to 3 ft.
Tue..NE winds 5 to 10 kt. Seas 2 ft.
Tue night..E winds 5 kt. Seas 2 ft.
Wed..E winds 5 kt. Seas 2 ft.
Wed night..SE winds 5 to 10 kt. Seas 2 ft.
Thu..S winds 5 to 10 kt. Seas 2 ft.
Thu night..S winds 10 kt. Seas 2 ft.
Fri..SW winds 5 to 10 kt. Seas 2 ft. A slight chance of showers and tstms.
Fri night..SW winds 5 to 10 kt. Seas 2 ft. A slight chance of showers and tstms.
Sat..NW winds 5 to 10 kt. Seas 2 ft.
Sat night..NE winds 5 to 10 kt. Seas 2 ft. Mariners are reminded that winds and seas higher in and near tstms.
AMZ300 259 Pm Edt Mon Oct 18 2021
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. High pressure will prevail across the region most of this week. A cold front will move through on Friday, followed by high pressure for next weekend.


7 Day Forecast for Marine Location Near Skidaway Island, GA
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location: 31.91, -81.06     debug


Area Discussion for - Charleston, SC
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FXUS62 KCHS 181934 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 334 PM EDT Mon Oct 18 2021

SYNOPSIS. High pressure will prevail across the region most of this week. A cold front will move through on Friday, followed by high pressure for next weekend.

NEAR TERM /UNTIL 6 AM TUESDAY MORNING/. Strong high pressure will remain centered near the Great Smokies and Blue Ridge Mountains through the night, resulting in excellent radiational cooling as winds quickly decouple with sunset. An impressive surface-based inversion will also quickly form, and that along with shrinking dew point depressions will result in the formation of "ditch" fog (aka shallow ground fog) closer to daybreak. There will also likely be some steam fog that forms toward dawn under the se conditions, mainly over ponds, rivers and marshy areas. That back edge of the few to scattered cirrus over Georgia will pull offshore prior to midnight. Lows tonight won't be much different than last night well inland, with mins mainly in the lower and middle 40s. Temps over the coastal corridor will be a "battle" between a moderating air mass and more of an offshore flow developing late. Expecting min temps the upper 40s near US-17 to as high as upper 50s to near 60F on the barrier islands and much of the Charleston metro.

SHORT TERM /6 AM TUESDAY MORNING THROUGH THURSDAY/. A mid-level ridge will move over the forecast area through the day Tuesday as it swings eastward, eventually pushing out over the coastal waters Thursday. At the surface high pressure will prevail, resulting in a rain-free forecast through the period. High temperatures Tuesday will be right around normal for mid-October, with highs in the mid to upper 70s. Temperatures will increase as the week progresses as the high pressure and mid-level ridge build into the region. Thursday high temperatures are forecast to be in the low 80s, a few degrees above normal. Low temperatures will follow the same pattern, with overnight low temperatures right around normal on Tuesday night increasing a degree or two each night.

LONG TERM /THURSDAY NIGHT THROUGH MONDAY/. Aloft, a mid-level ridge will be positioned off the east coast of the U.S. while a trough extends south from the Great Lakes. At the surface, a cold front is forecast to move through the region on Friday, bringing a chance of rain. Saturday high pressure will return at the surface and a mid-level ridge will build back into the region by Monday. Temperatures are forecast to be above normal through the period, however how above normal is yet to be seen. Model guidance has not been consistent from run to run, with the most recent run being significantly warmer than the previous forecast.

AVIATION /19Z MONDAY THROUGH SATURDAY/. VFR. Although given small dew point depressions there might be some shallow ground fog around daybreak Tuesday.

Extended Aviation Outlook: VFR. Showers associated with a passing cold front could bring brief flight restrictions Friday.

MARINE. This evening and tonight: Sea breeze influences and the resulting onshore trajectories will wane this evening and a light gradient will develop around strong continental high pressure centered across the central and southern Appalachians. Land breeze influences will cause winds winds to be mainly NW or N through much of the night. Speeds on average woin't be any higher than about 10 or 12 kt. Seas just 2-3 ft and highest on the outer Georgia waters.

Tuesday through Saturday: High pressure will prevail across the coastal waters through Thursday night. The high pressure will create tranquil conditions to the marine zones, with winds generally southerly less than 10 knots with seas 1 to 2 ft. Friday a cold front will pass through the region, bringing a slight increase in winds to around 10 knots, generally from the southwest.

CHS WATCHES/WARNINGS/ADVISORIES. GA . None. SC . None. MARINE . None.



NEAR TERM . SHORT TERM . CPM LONG TERM . CPM AVIATION . MARINE .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FPKG1 - 8670870 - Fort Pulaski, GA 12 mi46 min E 8G9.9 68°F 75°F1021.1 hPa
SAXG1 - Sapelo Island Reserve, GA 36 mi64 min ENE 7 73°F 1021 hPa (-1.0)58°F
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 37 mi74 min NE 9.7G12 68°F 78°F3 ft1020.4 hPa (-1.2)
41033 43 mi56 min E 5.8G9.7 68°F 75°F1020.2 hPa

Wind History for Fort Pulaski, GA
(wind in knots)    EDIT      (on/off)   Help
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N7
G10
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W12
G15
NW12
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G19
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NW12
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NW6
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N9
G12
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G17
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NE8
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S8
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G9
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G7
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G9
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G10
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G11
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G8
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G11
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W9
G13
W12
G16
W14
G17

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hunter U. S. Army Airfield, GA10 mi68 minENE 710.00 miFair75°F42°F31%1020.6 hPa
Savannah-Hilton Head International Airport, GA18 mi71 minN 010.00 miA Few Clouds71°F41°F34%1020.9 hPa

Link to 5 minute data for KSVN

Wind History from SVN (wind in knots)
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Last 24hrN9W6NW5NW300000000000N40NE4NE7NE7NE5E6N6E7
1 day agoW12W10NW9W9W11NW13
G20
NW14
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NW11NW9NW8N7N7N6N6N5N5N9N10
G15
--N5N6N5N6
2 days agoS7S7SE400000000000000SW5SW5SW7W6W7W9
G17
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G19

Tide / Current Tables for Vernon View, Burnside River, Georgia
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Vernon View
Click for Map
Mon -- 01:40 AM EDT     0.35 feet Low Tide
Mon -- 05:30 AM EDT     Moonset
Mon -- 07:30 AM EDT     Sunrise
Mon -- 07:49 AM EDT     8.37 feet High Tide
Mon -- 02:03 PM EDT     0.56 feet Low Tide
Mon -- 06:08 PM EDT     Moonrise
Mon -- 06:48 PM EDT     Sunset
Mon -- 08:17 PM EDT     8.44 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.1
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6.9
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5.5


Tide / Current Tables for Savannah River Entrance, Georgia Current (2) (expired 1999-12-31)
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Savannah River Entrance
Click for Map
Mon -- 02:43 AM EDT     0.00 knots Slack
Mon -- 05:10 AM EDT     1.41 knots Max Flood
Mon -- 05:29 AM EDT     Moonset
Mon -- 07:29 AM EDT     Sunrise
Mon -- 08:22 AM EDT     -0.00 knots Slack
Mon -- 11:42 AM EDT     -2.54 knots Max Ebb
Mon -- 03:07 PM EDT     0.00 knots Slack
Mon -- 05:29 PM EDT     1.38 knots Max Flood
Mon -- 06:07 PM EDT     Moonrise
Mon -- 06:47 PM EDT     Sunset
Mon -- 08:39 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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-1.7
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-2.5
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-2.1
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Weather Map
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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