Barometric Pressure in Sullivans Island, United States 
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The pressure in Sullivans Island, South Carolina, United States is predicted to slowly drop over the next few hours, with an average pressure of 1019.9 hPa today, which is considered normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Sullivans Island is 5.1 hPa, with a low of 1016.8 hPa and a high of 1021.9 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Sullivans Island hour by hour and stay informed about how it will change over the next 6 hours.
Sullivans Island's weather is influenced by its coastal location, which affects air pressure. Ocean breezes bring cooler air, reducing pressure and making it feel more comfortable.
The island's geography, being surrounded by water, helps regulate air pressure. Land and sea breezes create a gentle pressure balance, making the weather more stable.
In summer, high pressure dominates, bringing hot and humid air. Pressure is high, making the air feel thick and heavy. This leads to occasional thunderstorms.
In winter, low pressure systems bring cooler air, reducing pressure and making it feel lighter. Mild winters are a result of Sullivans Island's subtropical climate.
Sullivans Island has a subtropical climate, characterized by mild winters and hot, humid summers. This climate type typically has a more stable air pressure pattern due to its location near the ocean.