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Tropical Weather Update
000 ABNT20 KNHC 181102 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 AM EDT Tue Jun 18 2019 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: Tropical cyclone formation is not expected during the next 5 days. $$ Forecaster Stewart
Marine Weather Forecast
FZUS52 KCHS 181401 CWFCHS Coastal Waters Forecast National Weather Service Charleston SC 1001 AM EDT Tue Jun 18 2019 South Santee River SC to Savannah GA out 20 NM and Savannah GA to Altamaha Sound GA out 60 NM, including Charleston Harbor and Grays Reef National Marine Sanctuary AMZ300-190215- 1001 AM EDT Tue Jun 18 2019 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... Atlantic high pressure will give way to a low pressure trough today. A surface trough of low pressure is expected to develop inland by mid week, then persist over the Southeast through late week and likely into the weekend.
AMZ330-190215- Charleston Harbor- 1001 AM EDT Tue Jun 18 2019 REST OF TODAY SE winds 5 to 10 kt, increasing to 15 kt this afternoon. Showers and tstms likely. TONIGHT S winds 10 kt, becoming SW after midnight. A chance of showers and tstms, mainly in the evening. WED W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. A chance of showers and tstms. WED NIGHT SW winds 10 to 15 kt. A chance of showers and tstms, mainly in the evening. THU SW winds 10 to 15 kt with gusts to 20 kt. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon. THU NIGHT SW winds 10 to 15 kt. A chance of showers and tstms. FRI W winds 10 to 15 kt. A slight chance of showers and tstms. FRI NIGHT W winds 5 to 10 kt. SAT W winds 5 to 10 kt. A slight chance of showers and tstms. SAT NIGHT SW winds 5 to 10 kt. A slight chance of showers and tstms. Mariners are reminded that winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston Harbor water temperature 82 degrees.
AMZ350-190215- Waters from South Santee River to Edisto Beach SC out 20 NM- 1001 AM EDT Tue Jun 18 2019 REST OF TODAY SE winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms likely. TONIGHT SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight. WED W winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 5 ft in the afternoon. A chance of showers and tstms. WED NIGHT SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft. A chance of showers and tstms, mainly in the evening. THU SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon. THU NIGHT SW winds 20 kt with gusts to 25 kt. Seas 4 to 6 ft, subsiding to 4 to 5 ft after midnight. A chance of showers and tstms. FRI W winds 15 to 20 kt. Seas 3 to 4 ft. A slight chance of showers and tstms. FRI NIGHT SW winds 10 to 15 kt. Seas 3 ft. A slight chance of showers and tstms. SAT SW winds 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. SAT NIGHT SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. Mariners are reminded that winds and seas higher in and near tstms.
AMZ352-190215- Waters from Edisto Beach SC to Savannah GA out 20 NM- 1001 AM EDT Tue Jun 18 2019 REST OF TODAY S winds 10 kt. Seas 3 ft. A chance of showers and tstms. TONIGHT SW winds 10 to 15 kt. Seas 3 ft. A slight chance of showers and tstms. WED SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms. WED NIGHT SW winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers and tstms, mainly in the evening. THU SW winds 15 to 20 kt. Seas 3 to 4 ft. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon. THU NIGHT SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft, building to 4 to 5 ft after midnight. A chance of showers and tstms. FRI W winds 15 to 20 kt. Seas 3 to 4 ft. A slight chance of showers and tstms. FRI NIGHT W winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. SAT W winds 10 kt. Seas 2 to 3 ft. A chance of showers and tstms. SAT NIGHT SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms. Mariners are reminded that winds and seas higher in and near tstms.
AMZ354-190215- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 1001 AM EDT Tue Jun 18 2019 REST OF TODAY S winds 5 to 10 kt, increasing to 10 to 15 kt late. Seas 2 to 3 ft. A chance of showers and tstms. TONIGHT S winds 10 to 15 kt, becoming SW with gusts to 20 kt after midnight. Seas 2 to 3 ft. A chance of showers and tstms, mainly in the evening. WED SW winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. A chance of showers and tstms. WED NIGHT SW winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers and tstms, mainly in the evening. THU W winds 15 to 20 kt, becoming SW 10 to 15 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon. THU NIGHT SW winds 15 to 20 kt. Seas 2 to 3 ft, building to 3 to 4 ft after midnight. A chance of showers and tstms. FRI W winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers and tstms. FRI NIGHT W winds 10 kt. Seas 2 ft. A slight chance of showers and tstms. SAT W winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms. SAT NIGHT SW winds 10 kt. Seas 2 ft. A slight chance of showers and tstms. Mariners are reminded that winds and seas higher in and near tstms.
AMZ374-190215- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 1001 AM EDT Tue Jun 18 2019 REST OF TODAY S winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers and tstms. TONIGHT SW winds 15 to 20 kt. Seas 4 ft. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight. WED W winds 15 to 20 kt, becoming SW 10 to 15 kt in the afternoon. Seas 3 to 4 ft. A chance of showers and tstms. WED NIGHT SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft. A chance of showers and tstms, mainly in the evening. THU SW winds 15 to 20 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft in the afternoon. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon. THU NIGHT SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft, building to 4 to 6 ft after midnight. A chance of showers and tstms. FRI W winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers and tstms. FRI NIGHT SW winds 10 to 15 kt. Seas 3 ft. A slight chance of showers and tstms. SAT W winds 5 to 10 kt. Seas 3 ft. A slight chance of showers and tstms. SAT NIGHT SW winds 10 kt. Seas 3 ft. A slight chance of showers and tstms. Mariners are reminded that winds and seas higher in and near tstms.
Point Forecast Weather for Sapelo Sound GA Latitude: 31.68 Longitude: -81.2
Buoy Reports
Station SAXG1 - MARSH ISLAND, SAPELO ISLAND RESERVE, GA
June 18, 2019 10:00 am EST
Location: 31.418N 81.296W or 16 nautical miles SSW of 31.68N 81.2W.
Wind Direction: WSW (240°)
Wind Speed: 4 knots
Atmospheric Pressure: 30.00 in (1016.0 mb)
Pressure Tendency: -0.03 in (-1.0 mb)
Air Temperature: 84°F (29.1°C)
Dew Point: 72°F (22.0°C)
Station 41008 - GRAYS REEF - 40 NM SOUTHEAST OF SAVANNAH, GA
June 18, 2019 9:50 am EST
Location: 31.4N 80.868W or 24 nautical miles SE of 31.68N 81.2W.
Wind Direction: W (280°)
Wind Speed: 8 knots
Wind Gust: 10 knots
Significant Wave Height: 3 ft
Dominant Wave Period: 5 sec
Average Period: 4.5 sec
Mean Wave Direction: SE (138°)
Atmospheric Pressure: 30.01 in (1016.2 mb)
Pressure Tendency: -0.01 in (-0.4 mb)
Air Temperature: 80°F (26.4°C)
Dew Point: 74°F (23.3°C)
Water Temperature: 83°F (28.1°C)
Station 41033 - FRIPP NEARSHORE, SC (FRP2)
June 18, 2019 10:08 am EST
Location: 32.279N 80.406W or 54 nautical miles NE of 31.68N 81.2W.
Wind Direction: ESE (120°)
Wind Speed: 6 knots
Wind Gust: 10 knots
Atmospheric Pressure: 30.01 in (1016.2 mb)
Air Temperature: 80°F (26.4°C)
Water Temperature: 82°F (27.6°C)
Station 41112 - OFFSHORE FERNANDINA BEACH, FL (132)
June 18, 2019 10:30 am EST
Location: 30.709N 81.292W or 58 nautical miles S of 31.68N 81.2W.
Significant Wave Height: 3 ft
Dominant Wave Period: 5 sec
Average Period: 4.7 sec
Mean Wave Direction: SE (133°)
Water Temperature: 82°F (28.0°C)
Station ACXS1 - BENNETT'S POINT, ACE BASIN RESERVE, SC
June 18, 2019 9:45 am EST
Location: 32.559N 80.454W or 65 nautical miles NE of 31.68N 81.2W.
Wind Direction: SE (140°)
Wind Speed: 2 knots
Atmospheric Pressure: 30.03 in (1017.0 mb)
Air Temperature: 84°F (29.1°C)
Dew Point: 75°F (23.9°C)
SHIP
June 18, 2019 12:00 UTC
Location: 30.4N 81.3W or 77 nautical miles S of 31.68N 81.2W.
Wind Direction: WSW (250°)
Wind Speed: 10 knots
Significant Wave Height: 2 ft
Dominant Wave Period: 4.0 sec
Atmospheric Pressure: 30.09 in (1018.9 mb)
Pressure Tendency: +0.00 in (+0.0 mb)
Air Temperature: 80°F (26.5°C)
Dew Point: 73°F (22.8°C)
Visibility: 11 nmi
SHIP
June 18, 2019 12:00 UTC
Location: 31.4N 79.6W or 84 nautical miles E of 31.68N 81.2W.
Wind Direction: SSW (200°)
Wind Speed: 11 knots
Significant Wave Height: 2 ft
Dominant Wave Period: 2.0 sec
Atmospheric Pressure: 30.04 in (1017.3 mb)
Pressure Tendency: +0.04 in (+1.5 mb)
Air Temperature: 77°F (25.0°C)
Dew Point: 72°F (22.1°C)
Water Temperature: 81°F (27.0°C)
Visibility: 2 nmi
Station FBIS1 - FOLLY ISLAND, SC
June 18, 2019 10:00 am EST
Location: 32.685N 79.888W or 90 nautical miles NE of 31.68N 81.2W.
Wind Direction: SE (140°)
Wind Speed: 5 knots
Wind Gust: 5 knots
Atmospheric Pressure: 30.04 in (1017.4 mb)
Pressure Tendency: -0.02 in (-0.6 mb)
Air Temperature: 79°F (25.9°C)
Dew Point: 73°F (22.6°C)
SHIP
June 18, 2019 15:00 UTC
Location: 32.8N 79.9W or 94 nautical miles NE of 31.68N 81.2W.
Wind Direction: ESE (110°)
Wind Speed: 8 knots
Atmospheric Pressure: 30.02 in (1016.7 mb)
Air Temperature: 83°F (28.3°C)
Dew Point: 73°F (22.6°C)
Water Temperature: 84°F (28.7°C)
SHIP
June 18, 2019 14:00 UTC
Location: 32.8N 79.9W or 94 nautical miles NE of 31.68N 81.2W.
Wind Direction: SE (130°)
Wind Speed: 6 knots
Atmospheric Pressure: 30.01 in (1016.4 mb)
Air Temperature: 85°F (29.3°C)
Dew Point: 74°F (23.5°C)
Water Temperature: 83°F (28.6°C)
SHIP
June 18, 2019 13:00 UTC
Location: 32.8N 79.9W or 94 nautical miles NE of 31.68N 81.2W.
Wind Direction: SE (140°)
Wind Speed: 6 knots
Atmospheric Pressure: 30.03 in (1017.0 mb)
Air Temperature: 82°F (27.7°C)
Dew Point: 74°F (23.5°C)
Water Temperature: 82°F (27.9°C)
SHIP
June 18, 2019 12:00 UTC
Location: 32.8N 79.9W or 94 nautical miles NE of 31.68N 81.2W.
Wind Direction: SSE (150°)
Wind Speed: 6 knots
Atmospheric Pressure: 30.03 in (1017.0 mb)
Air Temperature: 81°F (27.4°C)
Dew Point: 74°F (23.2°C)
Water Temperature: 83°F (28.1°C)
SHIP
June 18, 2019 11:00 UTC
Location: 32.8N 79.9W or 94 nautical miles NE of 31.68N 81.2W.
Wind Direction: S (170°)
Wind Speed: 5 knots
Atmospheric Pressure: 30.04 in (1017.2 mb)
Air Temperature: 80°F (26.8°C)
Dew Point: 74°F (23.6°C)
Water Temperature: 82°F (27.8°C)
SHIP
June 18, 2019 10:00 UTC
Location: 32.8N 79.9W or 94 nautical miles NE of 31.68N 81.2W.
Wind Direction: S (180°)
Wind Speed: 3 knots
Atmospheric Pressure: 30.03 in (1017.0 mb)
Air Temperature: 79°F (26.3°C)
Dew Point: 75°F (23.9°C)
Water Temperature: 82°F (27.9°C)
B = Buoy, C = C-MAN Station, D = Drifting Buoy, S = Ship, O = Other
Data provided by the National Data Buoy Center
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This Page Delivered 11:55:16 6/18/2019 .
Page Author : Greg Johnson Contact Email:
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