Tuesday, September28, 2021
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Marine Weather and Tides
Richmond Hill, 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 7:16AMSunset 7:14PM Tuesday September 28, 2021 3:30 AM EDT (07:30 UTC) Moonrise 11:15PMMoonset 1:15PM Illumination 56% Phase: Waning Gibbous; Moon at 22 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- 312 Am Edt Tue Sep 28 2021
Today..W winds 5 kt, becoming S late. Seas 2 ft.
Tonight..S winds 10 kt, becoming sw after midnight. Seas 2 ft.
Wed..W winds 5 to 10 kt, becoming sw in the afternoon. Seas 2 ft.
Wed night..S winds 5 to 10 kt. Seas 2 ft.
Thu..W winds 5 kt, becoming E in the afternoon. Seas 2 ft.
Thu night..SE winds 5 to 10 kt. Seas 2 ft.
Fri..E winds 5 to 10 kt. Seas 2 to 3 ft.
Fri night..E winds 10 to 15 kt. Seas 2 to 3 ft.
Sat..NE winds 10 to 15 kt. Seas 3 to 4 ft.
Sat night..E winds 10 to 15 kt. Seas 3 to 4 ft.
AMZ300 312 Am Edt Tue Sep 28 2021
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. High pressure will remain the dominant feature through next weekend.


7 Day Forecast for Marine Location Near Richmond Hill, GA
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location: 31.95, -81.34     debug


Area Discussion for - Charleston, SC
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FXUS62 KCHS 280456 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 1256 AM EDT Tue Sep 28 2021

SYNOPSIS. High pressure will remain the dominant feature through next weekend.

NEAR TERM /UNTIL 6 AM THIS MORNING/. Radiational cooling will continue through the rest of the night with clear sky and light winds. Temperatures are on track to lower to the upper 50s inland to the mid 60s along the coast.

SHORT TERM /6 AM THIS MORNING THROUGH THURSDAY/. Tuesday through Thursday: High pressure will prevail Tuesday, then weaken and get replaced by a inland surface trough Wednesday. By Thursday, a backdoor cold front will likely approach and hang up just to the north of the forecast area. Plentiful dry air will prevail through the period, and the forecast remains dry. The most notable forecast issue will be temperatures. Highs will gradually warm each day, peaking in the upper 80s to low 90s by Thursday. Such values would be on the order of 5 degrees above normal for late September.

LONG TERM /THURSDAY NIGHT THROUGH MONDAY/. There continues to be some model disagreement regarding the backdoor cold front and its southward progress Thursday night and Friday. The ECMWF (27/12z) still allows the front to completely clear the area by Friday afternoon while the GFS (27/12z) keeps it just north of the area. The forecast follows WPC and NBM guidance which is more like the ECMWF and brings the front through. With that in mind, there continues to be some risk of isolated showers and thunderstorms Friday afternoon and the forecast depicts 20 percent chances for most of coastal southeast South Carolina. Also, a modest cool down is anticipated behind the front with temperatures returning to near-normal values for the weekend and into early next week. Overall, a very quiet weather pattern continues.

AVIATION /06Z TUESDAY THROUGH SATURDAY/. VFR conditions will continue through 06Z Wednesday.

Extended Aviation Outlook: VFR conditions will prevail.

MARINE. Tonight: South to southeast will will veer southwest overnight with speeds 10 kt or less. Seas will average 1-2 ft nearshore waters with 2-3 ft offshore waters.

Tuesday through Saturday: Quiet conditions will prevail across the local waters through Thursday with modest south to southwest surging expected each afternoon and evening. Wind speeds should generally top out in the 10-15 knot range. A backdoor cold front should then pass through from the north Friday and usher in a period of northeast flow into the weekend. For now, the forecast only features winds up to around 15 knots, but depending on the gradient speeds could be higher. For seas, swell energy from distant Hurricane Sam is expected to arrive beginning Friday and seas will steadily increase into the first half of the weekend. Small Craft Advisory seas will be possible in at least portions of the waters during this time.

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



NEAR TERM . NED SHORT TERM . LONG TERM . AVIATION . NED MARINE .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FPKG1 - 8670870 - Fort Pulaski, GA 24 mi43 min 80°F1018 hPa
SAXG1 - Sapelo Island Reserve, GA 37 mi91 min S 1.9 67°F 1018 hPa (-1.0)67°F
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 46 mi41 min S 5.8 G 7.8 78°F 81°F2 ft1017.2 hPa (-1.0)

Wind History for Fort Pulaski, GA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hunter U. S. Army Airfield, GA11 mi35 minN 010.00 miFair65°F61°F88%1017.2 hPa
Wright Army Airfield (Fort Stewart)/Midcoast Regional Airport, GA13 mi35 minN 010.00 miFair63°F61°F94%1017.5 hPa
Savannah-Hilton Head International Airport, GA15 mi38 minN 010.00 miFair65°F63°F93%1018 hPa

Link to 5 minute data for KSVN

Wind History from SVN (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmCalmW3CalmCalmSE7SE9SE6SE3CalmCalmCalmCalmCalmCalmCalmCalm
1 day agoCalmCalmCalmCalmCalm--CalmNW4NW4N3CalmCalmCalmSE8SE7SE4CalmCalmCalmCalmCalmCalmCalmCalm
2 days agoCalmCalmCalmCalmCalmCalmCalmN3NW5NW6NW9NW9N7N3NW4CalmCalmCalmCalmCalmCalmCalmCalmCalm

Tide / Current Tables for Highway bridge, Ogeechee River, Georgia
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Highway bridge
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Tue -- 04:57 AM EDT     0.91 feet High Tide
Tue -- 07:17 AM EDT     Sunrise
Tue -- 11:56 AM EDT     0.21 feet Low Tide
Tue -- 02:14 PM EDT     Moonset
Tue -- 05:18 PM EDT     1.04 feet High Tide
Tue -- 07:13 PM EDT     Sunset
Tue -- 09:58 PM EDT     Last Quarter
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.40.60.70.90.90.90.80.60.50.30.20.20.30.50.70.9110.90.80.60.50.4

Tide / Current Tables for Fort McAllister, Ogeechee River, Georgia
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Fort McAllister
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Tue -- 02:26 AM EDT     6.05 feet High Tide
Tue -- 07:17 AM EDT     Sunrise
Tue -- 08:48 AM EDT     1.52 feet Low Tide
Tue -- 02:14 PM EDT     Moonset
Tue -- 02:47 PM EDT     6.93 feet High Tide
Tue -- 07:13 PM EDT     Sunset
Tue -- 09:30 PM EDT     2.10 feet Low Tide
Tue -- 09:58 PM EDT     Last Quarter
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.65.5665.44.53.42.41.71.52.13.34.75.96.76.96.55.74.63.52.62.22.22.8

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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