Sunrise 6:42 AM   Sunset 8:02 PM Moonrise 9:00 PM   Moonset 6:28 AM

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AMZ354 Waters From Savannah Ga To Altamaha Sound Ga Out 20 Nm, Including Grays Reef National Marine Sanctuary- 313 Pm Edt Thu Apr 25 2024
Tonight - SE winds 5 to 10 kt. Seas 2 ft. Wave detail: E 2 ft at 11 seconds and S 1 ft at 4 seconds. Fri - E winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: E 3 ft at 4 seconds and E 3 ft at 10 seconds. Fri night - E winds 15 kt. Seas 3 to 4 ft. Wave detail: E 4 ft at 6 seconds. Sat - E winds 10 to 15 kt. Seas 4 to 5 ft. Wave detail: E 4 ft at 6 seconds. Sat night - E winds 10 to 15 kt. Seas 3 to 4 ft. Wave detail: E 4 ft at 7 seconds. Sun - SE winds 10 to 15 kt. Seas 3 to 4 ft. Wave detail: E 4 ft at 7 seconds. Sun night - SE winds 5 to 10 kt. Seas 3 to 4 ft. Mon - SE winds 5 to 10 kt. Seas 2 to 3 ft. Mon night - SE winds 5 to 10 kt. Seas 2 to 3 ft. Tue - S winds 5 to 10 kt. Seas 2 to 3 ft. Tue night - S winds 5 to 10 kt. Seas 2 to 3 ft.

AMZ300 313 Pm Edt Thu Apr 25 2024
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia - A weak trough will drop south of the area tonight. High pressure will then build back into the region through the early part of next week. A weak cold front could approach the area around the middle of next week.

FXUS62 KCHS 251922 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 322 PM EDT Thu Apr 25 2024

SYNOPSIS
A weak trough will drop south of the area tonight. High pressure will then build back into the region through the early part of next week. A weak cold front could approach the area around the middle of next week.

NEAR TERM /THROUGH TONIGHT/
Upper level trough is moving off the New England and mid Atlantic coasts this afternoon. Associated surface boundary/trough arcs across the western Atlantic and back into far southeast Georgia.
A touch of heating of the day shallow Cumulus has developed across the forecast area and a bit more agitated down toward JAX. But nothing precip-wise has/is showing up on regional radars.

Tonight: Upper level ridging will steadily build east of the Mississippi through the night as surface high pressure builds across the eastern Great Lakes and down into the southeast CONUS. Quiet weather anticipated once again. Surface winds start out light/calm this evening but should increase some during the overnight, particularly along the southeast South Carolina coast, as the pressure gradient increases. This will keep coastal temperatures somewhat elevated with lows in the lower to middle 60s. Cooler inland with early decoupling with lows in the middle to upper 50s.

SHORT TERM /FRIDAY THROUGH SUNDAY/
Aloft, a large omega block will set up with amplifying troughs over the Western Atlantic and Western U.S. A ridge axis will settle over the Eastern Seaboard. This pattern favors quiet weather with little to no forcing. An isolated shower is possible mainly Friday along the southeast Georgia coast or far inland, where weak llvl convergence and presence of mid-level moisture co-exist. However, no mentionable POPs have been included in the forecast due to dry lower levels. Otherwise partly cloudy skies will prevail nearly each day.

High temperatures remain within a few degrees of normal, generally in the upper 70s to lower 80s each day through the weekend. Lows both Friday and Saturday night will range from the upper 50s inland to the mid 60s along the immediate coast.

LONG TERM /SUNDAY NIGHT THROUGH WEDNESDAY/
The pattern remains largely unchanged into early next week with the omega block and deep high pressure in place. This favors increasing temperatures and virtually zero rain chances Monday and Tuesday. The upper ridge axis will begin to shift offshore Tuesday as a weakening trough and accompanying weak cold front moves toward the eastern U.S. The front will be positioned inland late Tuesday/early Wednesday, however guidance depicts a weak or stalled boundary at that point. Showers will remain dependent on how quickly the upper trough driving the front lifts north. The forecast currently mentions slight chance POPs Wednesday afternoon which are limited to the inland locations. Temperatures will start the period in the low 80s and will rise to the upper 80s/near 90F by the middle of the next week.

AVIATION /19Z THURSDAY THROUGH TUESDAY/
26/12z TAF Discussion: CHS/KJZI/KSAV: VFR through 27/12z Friday. Shallow cumulus across the region this afternoon will gradually mix out late this afternoon into this evening as the sea breeze moves inland and we get into the nighttime cooling cycle. Some mid and high level cloud cover will be spreading into the region later tonight and Friday along with another cycle of daytime cumulus developing.

Extended Aviation Outlook: Prevailing VFR.

MARINE
Tonight: Surface high pressure will build across the eastern Great Lakes and down into the southeast. Easterly winds will slowly increase overnight in response, particularly across the South Carolina coastal waters. Speeds will average 10 kt from Edisto Beach and points south with 10-15 kt over the South Santee-Edisto Beach out 20 NM leg. Seas will average 2-4 ft.

Friday through Tuesday: Winds will shift NE Friday and then out of the east Saturday as high pressure builds from the north. Brief surge will bring winds to the 15-20 kt range Friday afternoon/evening. Seas in turn will build to 3-5 ft across the nearshore waters out 20 nm and 5-6 feet across the outer Georgia waters from 20-60 nm. A Small Craft Advisory could be needed for the offshore Georgia waters overnight Friday into Saturday. Winds around 10 kt or less will veer more southerly, and seas will decrease to 2- 4 ft Monday into Tuesday.

Rip Currents: Persistent onshore flow combined with moderate swell energy will enhance the rip current risk this weekend. There is currently a Moderate risk of rip currents for all area beaches Saturday.

EQUIPMENT
The KCLX radar is undergoing electrical maintenance and is tentatively scheduled to return to service April 26th.

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

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Savannah (Bull Street)
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Thu -- 04:45 AM EDT     0.24 feet Low Tide
Thu -- 06:43 AM EDT     Sunrise
Thu -- 07:28 AM EDT     Moonset
Thu -- 10:06 AM EDT     7.55 feet High Tide
Thu -- 04:38 PM EDT     0.36 feet Low Tide
Thu -- 08:01 PM EDT     Sunset
Thu -- 09:59 PM EDT     Moonrise
Thu -- 10:23 PM EDT     8.48 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Savannah (Bull Street), Georgia, Tide feet

Savannah River Entrance
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Thu -- 01:49 AM EDT     -1.98 knots Max Ebb
Thu -- 05:02 AM EDT     0.01 knots Slack
Thu -- 06:42 AM EDT     Sunrise
Thu -- 07:27 AM EDT     Moonset
Thu -- 07:30 AM EDT     1.91 knots Max Flood
Thu -- 10:54 AM EDT     -0.00 knots Slack
Thu -- 01:35 PM EDT     -1.69 knots Max Ebb
Thu -- 04:52 PM EDT     0.00 knots Slack
Thu -- 07:37 PM EDT     2.10 knots Max Flood
Thu -- 08:00 PM EDT     Sunset
Thu -- 09:58 PM EDT     Moonrise
Thu -- 11:18 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION

Savannah River Entrance, Georgia Current, knots

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