Mackay River (ICWW), Buttermilk Sound, GA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Jul 29 		Thunderstorms
Close Hourly 		96º / 77º 66% WSW 11 mph 68%
8am Mostly Sunny 83º 9% WSW 10 mph 87%
9am Partly Cloudy 86º 9% WSW 10 mph 81%
10am Partly Cloudy 89º 2% WSW 10 mph 72%
11am Mostly Cloudy 92º 8% WSW 10 mph 65%
12pm Isolated Thunderstorms 93º 33% WSW 11 mph 60%
1pm Scattered Thunderstorms 87º 57% WSW 10 mph 68%
2pm Cloudy 91º 24% WSW 11 mph 63%
3pm Cloudy 93º 24% WSW 11 mph 56%
4pm Mostly Cloudy 94º 19% WSW 10 mph 53%
5pm Cloudy 92º 24% WSW 9 mph 59%
6pm Cloudy 91º 19% WSW 9 mph 62%
7pm Mostly Cloudy 90º 19% WSW 8 mph 63%
8pm Isolated Thunderstorms 86º 30% WSW 8 mph 72%
9pm Isolated Thunderstorms 84º 31% WSW 7 mph 79%
10pm Mostly Cloudy 82º 23% WSW 7 mph 81%
11pm Mostly Cloudy 81º 22% WSW 8 mph 83%
Thu
Jul 30 		Mostly Sunny
View Hourly 		97º / 76º 8% WSW 8 mph 64%
12am Mostly Cloudy 81º 21% WSW 8 mph 84%
1am Partly Cloudy 80º 22% WSW 8 mph 85%
2am Partly Cloudy 80º 15% WSW 9 mph 85%
3am Partly Cloudy 80º 15% WSW 8 mph 87%
4am Partly Cloudy 79º 15% W 8 mph 86%
5am Partly Cloudy 79º 15% W 7 mph 84%
6am Partly Cloudy 79º 15% W 6 mph 84%
7am Partly Cloudy 78º 6% W 5 mph 87%
8am Partly Cloudy 79º 6% WNW 6 mph 87%
9am Mostly Sunny 82º 4% WNW 7 mph 78%
10am Sunny 85º 2% NW 6 mph 70%
11am Sunny 89º 2% WNW 5 mph 63%
12pm Sunny 91º 1% WNW 5 mph 57%
1pm Sunny 93º 1% WSW 5 mph 52%
2pm Sunny 94º 1% SSW 5 mph 50%
3pm Mostly Sunny 95º 4% SE 7 mph 49%
4pm Mostly Sunny 94º 3% SE 7 mph 53%
5pm Mostly Sunny 92º 7% SSE 7 mph 57%
6pm Mostly Sunny 91º 8% SE 8 mph 63%
7pm Mostly Sunny 89º 14% S 8 mph 63%
8pm Mostly Sunny 86º 11% S 7 mph 72%
9pm Clear 83º 15% SSW 7 mph 78%
10pm Clear 82º 8% SW 7 mph 81%
11pm Clear 82º 6% WSW 6 mph 83%
Fri
Jul 31 		PM Thunderstorms
View Hourly 		94º / 76º 47% S 9 mph 69%
12am Clear 80º 7% WSW 5 mph 86%
1am Clear 80º 7% WSW 4 mph 87%
2am Partly Cloudy 79º 20% WSW 5 mph 89%
3am Partly Cloudy 78º 20% SW 4 mph 91%
4am Partly Cloudy 77º 20% WSW 4 mph 93%
5am Partly Cloudy 77º 20% WSW 3 mph 95%
6am Partly Cloudy 77º 21% WSW 3 mph 94%
7am Mostly Sunny 77º 9% WSW 2 mph 96%
Sat
Aug 1 		PM Light Rain 93º / 76º 64% SSW 12 mph 73%
Sun
Aug 2 		Thunderstorms 88º / 75º 87% SW 13 mph 78%
Mon
Aug 3 		Thundershowers 90º / 76º 61% SSW 12 mph 73%
Tue
Aug 4 		Scattered Thunderstorms 92º / 76º 53% SSW 10 mph 73%
Wed
Aug 5 		Scattered Thunderstorms 93º / 76º 51% S 11 mph 72%

Weather Radar for Mackay River (ICWW), Buttermilk Sound, GA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Mackay River (ICWW), Buttermilk Sound, GA

Today
High : 100ºF
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 100. Heat index values as high as 115. West wind 8 to 10 mph.
Tonight
Low : 76ºF
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 76. Southwest wind around 8 mph. Chance of precipitation is 40%.
Thursday
High : 97ºF
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 97. Heat index values as high as 106. West wind around 6 mph.
Thursday Night
Low : 75ºF
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 75. West wind 3 to 5 mph.
Friday
High : 96ºF
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Friday Night
Low : 75ºF
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75.
Saturday
High : 94ºF
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Saturday Night
Low : 75ºF
A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 75.
Sunday
High : 92ºF
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 92. Chance of precipitation is 80%.
Sunday Night
Low : 74ºF
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 74. Chance of precipitation is 80%.
Monday
High : 92ºF
Showers and thunderstorms likely. Partly sunny, with a high near 92. Chance of precipitation is 70%.
Monday Night
Low : 75ºF
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Tuesday
High : 93ºF
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.

NOAA Buoy Data Near Mackay River (ICWW), Buttermilk Sound, GA See Map

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    Wind Speed Forecast for Mackay River (ICWW), Buttermilk Sound, GA

    WednesdayThursdayFriday
    Wind Speed (MPH) 101110888657754
    12pm4pm8pm12am4am8am12pm4pm8pm12am4am8am
    MPH 101110888657754
    DIR WSWWSWWSWWSWWSWWWNWWNWSESWSWWSW

    Current Weather Conditions In Mackay River (ICWW), Buttermilk Sound, GA

    As Of: 4 minutes ago

    • 83ºF
    • 94ºF
    • 10mph
    • 0º (WSW)
    • 19mph
    • Mostly Sunny
    • 9mi
    • 29.79"
    • 87%
    • 0ºF

    The weather right now in Mackay River (ICWW), Buttermilk Sound, GA is Mostly Sunny. The current temperature is 83°F, and the expected high and low for today, Wednesday, July 29, 2026, are 96° high temperature and 77°F low temperature. The wind is currently blowing at 10 miles per hour, and coming from the West Southwest. The wind is gusting to 19 mph. With the wind and the atmosphere the temperature feels like 94° Fahrenheit. Expected precipitation is 9 percent, with current humidity at 87 percent, and air pressure at 29.79 in. Visibility is 9 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Extreme Heat Warning - 7:03am Wed Jul 29 2026

    ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING...

    WHAT: Dangerously hot conditions with heat index values up to 115
    degrees expected.

    WHERE: In Georgia, Coastal Bryan, Coastal Chatham, Coastal
    Liberty, Coastal McIntosh, Inland Chatham, and Inland McIntosh
    Counties. In South Carolina, Beaufort and Coastal Jasper Counties.

    WHEN: From 11 AM this morning to 7 PM EDT this evening.

    IMPACTS: Heat related illnesses increase significantly during
    extreme heat and high humidity events.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Drink plenty of fluids, stay in an air-conditioned room, stay out of
    the sun, and check up on relatives and neighbors.

    To reduce risk during outdoor work, the Occupational Safety and
    Health Administration recommends scheduling frequent rest breaks in
    shaded or air conditioned environments. Anyone overcome by heat
    should be moved to a cool and shaded location. Heat stroke is an
    emergency! Call 9 1 1.

    &&