Barometric Pressure in Friday Harbor, United States 
0000 hPa
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The pressure in Friday Harbor, Washington, United States is predicted to drop over the next few hours, with an average pressure of 1021.4 hPa today, which is considered normal.
Weather prediction: Expect wet, unsettled weather and a strong breeze
The daily total fluctuation in pressure in Friday Harbor is 2.9 hPa, with a low of 1019.5 hPa and a high of 1022.4 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Friday Harbor hour by hour and stay informed about how it will change over the next 6 hours.
The barometric pressure in Friday Harbor, Washington is influenced by its proximity to the ocean and surrounding landscape. It rises and falls with the tides and weather fronts. Pressure changes can be dramatic, causing rapid shifts in weather conditions.
Friday Harbor is situated on San Juan Island, surrounded by the Salish Sea and the Olympic Peninsula. The surrounding waters and rugged terrain create channels for air masses to move through. This unique landscape funnels weather systems, resulting in rapid changes in pressure.
The island's terrain also creates microclimates, with varying elevations and coastal areas. These microclimates contribute to localized pressure fluctuations, making the weather in Friday Harbor unpredictable.