Sunday, March7, 2021
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Marine Weather and Tides
Wilmington Island, GA

Version 3.4
NOTICE
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 6:42AMSunset 6:27PM Sunday March 7, 2021 9:21 PM EST (02:21 UTC) Moonrise 2:45AMMoonset 12:51PM Illumination 30% Phase: Waning Crescent; Moon at 24 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- 547 Pm Est Sun Mar 7 2021
Tonight..N winds 15 to 20 kt, becoming ne 10 to 15 kt with gusts to 20 kt after midnight. Seas 3 to 4 ft.
Mon..NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft.
Mon night..E winds 5 kt. Seas 2 to 3 ft.
Tue..NE winds 5 kt. Seas 2 ft.
Tue night..E winds 5 kt. Seas 2 ft.
Wed..NE winds 5 to 10 kt. Seas 2 ft.
Wed night..E winds 5 to 10 kt. Seas 2 ft.
Thu..SE winds 5 kt. Seas 2 to 3 ft.
Thu night..S winds 5 kt. Seas 3 to 4 ft.
Fri..S winds 5 to 10 kt. Seas 3 to 4 ft.
Fri night..S winds 5 to 10 kt. Seas 3 to 4 ft.
AMZ300 547 Pm Est Sun Mar 7 2021
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. High pressure will settle in across the area through Monday, then move off the coast by the middle of the week.


7 Day Forecast for Marine Location Near Wilmington Island, GA
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location: 32, -81     debug


Area Discussion for - Charleston, SC
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FXUS62 KCHS 080122 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 822 PM EST Sun Mar 7 2021

SYNOPSIS. High pressure will settle in across the area through Monday, then move off the coast by the middle of the week.

NEAR TERM /UNTIL 6 AM MONDAY MORNING/. As of 820 PM: The forecast is generally on track. I will make minor updates to the hourly temp and dewpoints to align with recent observation trends.

As of 610 PM: Latest observations indicate temperatures across the forecast area ranged in the low to mid 50s with dewpoint depressions around 35 degrees. In addition, winds have decreased across the forecast area over the past hour. The combination of a clear sky and very dry BL conditions should result in rapidly cooling temperatures this evening. I will adjust hourly temperatures and dewpoints to align with latest observations.

Previous Discussion: The rest of the afternoon will be sunny with gusty northerly winds as high pressure builds into the region and low pressure shifts further east across the Atlantic. Winds are expected to subside after sunset and skies will remain cloud free, setting up for an exceptional radiational cooling night. Temperatures are expected to drop into the upper 20s to low 30s across inland areas so a Freeze Warning has been issued. As RH's increase overnight, scattered to widespread frost is also expected to form. Therefore, have issued a Frost Advisory for Beaufort, Coastal Colleton and Jasper counties, as well as Inland McIntosh county. The Freeze Warning and Frost Advisory could need to be expanded if temperatures become more conducive. Temperatures along the coast will be in the mid to upper 30s.

SHORT TERM /6 AM MONDAY MORNING THROUGH WEDNESDAY/. Monday through Wednesday: Very tranquil weather will prevail across the forecast area in the early to mid week time period. High pressure will settle in Monday and Tuesday then slip off the coast through Wednesday. Clear skies on Monday will give way to passing cirrus on Tuesday which should thin through Wednesday. Temperatures will start off with highs in the low to mid 60s on Monday, around 5 degrees below normal. Low level thicknesses steadily rise Tuesday and Wednesday, culminating in highs in the low 70s away from the immediate coast Wednesday afternoon. We will see excellent radiational cooling conditions Monday night and lows are forecast in the low to mid 30s with scattered frost. Another round of Freeze Watches/Warnings and Frost Advisories will very likely be needed. Tuesday night lows should be several degrees warmer and it doesn't look like there will be any frost/freeze issues at this time.

LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/. Models remain in excellent agreement for the long term forecast. They keep high pressure off the coast, with it's periphery stretching into the Southeast U.S. Expect dry conditions with above normal temperatures.

AVIATION /01Z MONDAY THROUGH FRIDAY/. VFR conditions forecast through the 0Z TAF period.

Extended Aviation Outlook: VFR.

MARINE. Today and tonight: High pressure will prevail across the area and the pressure gradient will continue to relax. A Small Craft Advisory remains in effect until 1 AM for the outer Georgia waters for wind gusts up to 25 knots and seas 4-6 feet. Thereafter, winds will subside to 15-20 knots and seas 4-5 feet. Elsewhere, winds will be N at 10-15 knots and seas 2-4 feet.

Monday through Friday: High pressure will settle in across the local waters Monday through Tuesday, then move well offshore through late in the week. Winds on Monday morning will be out of the northeast in the 10-15 knot range, up to 15-20 knots in the outer Georgia waters. Speeds will then quickly decrease Monday afternoon and evening. Through the rest of the week, winds and seas will remain well below Small Craft Advisory thresholds.

CHS WATCHES/WARNINGS/ADVISORIES. GA . Freeze Warning from 2 AM to 8 AM EST Monday for GAZ087-088- 099>101-114>116-118-137-138. Frost Advisory from 2 AM to 8 AM EST Monday for GAZ140. SC . Freeze Warning from 2 AM to 8 AM EST Monday for SCZ040-042>045- 047-050-052. Frost Advisory from 2 AM to 8 AM EST Monday for SCZ048-049-051. MARINE . Small Craft Advisory until 1 AM EST Monday for AMZ374.



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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FPKG1 - 8670870 - Fort Pulaski, GA 6 mi51 min NNE 5.1 G 6 51°F 57°F1029.7 hPa
41033 37 mi73 min NNW 9.7 G 14 53°F 55°F1028.5 hPa
41008 - GRAYS REEF - 40 NM Southeast of Savannah, GA 42 mi31 min NNE 18 G 21 56°F 57°F4 ft1028.8 hPa (+2.9)29°F
SAXG1 - Sapelo Island Reserve, GA 43 mi81 min NE 5.1 47°F 1028 hPa (+2.0)36°F
ACXS1 - ACE Basin Reserve, SC 48 mi96 min Calm 46°F 1029 hPa23°F

Wind History for Fort Pulaski, GA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hunter U. S. Army Airfield, GA8 mi25 minN 010.00 miFair49°F20°F31%1029.1 hPa
Savannah-Hilton Head International Airport, GA14 mi28 minN 310.00 miFair46°F25°F44%1029.6 hPa
Hilton Head Island, Hilton Head Airport, SC22 mi26 minNNE 710.00 miFair52°F21°F30%1029.8 hPa

Link to 5 minute data for KSVN

Wind History from SVN (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmN4N3CalmN3CalmN4NE7N6NW4N5
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1 day agoCalmNE4E4E4E5NE3NE5NE4N3NE5NE6NE8NE8NE10NE10
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2 days agoCalmCalmCalmCalmCalmCalmCalmCalmN3CalmNE4NE7NE10
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E11SE8E5E7NE3NE3

Tide / Current Tables for Savannah Sheraton Resort Hotel, Wilmington River, Georgia
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Savannah Sheraton Resort Hotel
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Sun -- 02:44 AM EST     Moonrise
Sun -- 02:59 AM EST     7.83 feet High Tide
Sun -- 06:43 AM EST     Sunrise
Sun -- 09:26 AM EST     0.55 feet Low Tide
Sun -- 12:51 PM EST     Moonset
Sun -- 03:18 PM EST     6.80 feet High Tide
Sun -- 06:26 PM EST     Sunset
Sun -- 09:36 PM EST     0.30 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.76.37.47.87.46.34.93.21.60.70.71.63.14.76.16.86.65.74.42.91.40.50.41.2

Tide / Current Tables for Savannah River Entrance, Georgia Current (2) (expired 1999-12-31)
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Savannah River Entrance
Click for Map
Sun -- 12:20 AM EST     1.61 knots Max Flood
Sun -- 02:44 AM EST     Moonrise
Sun -- 03:37 AM EST     -0.00 knots Slack
Sun -- 06:43 AM EST     Sunrise
Sun -- 07:14 AM EST     -2.49 knots Max Ebb
Sun -- 10:51 AM EST     0.00 knots Slack
Sun -- 12:50 PM EST     Moonset
Sun -- 12:56 PM EST     1.15 knots Max Flood
Sun -- 03:59 PM EST     -0.00 knots Slack
Sun -- 06:25 PM EST     Sunset
Sun -- 07:37 PM EST     -2.25 knots Max Ebb
Sun -- 10:59 PM EST     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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1.61.510.4-0.3-1.2-2-2.5-2.3-1.8-0.90.10.91.20.90.5-0-0.7-1.6-2.1-2.2-1.8-10

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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