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Friday Harbor, WA Daily Water Report — August 28, 2026

Today in Friday Harbor, diving takes the spotlight with an impressive 8.4 out of 10. The calm wave conditions peaking at a gentle 0.2 meters around 07:00 and a comfortable sea surface temperature of 15.5°C make it an ideal day to explore underwater. If you're a boater or angler, you'll find solid scores of 7 and 7.6 respectively, thanks to light winds and clear skies. With no rain in sight and a full moon illuminating the night, the conditions are ripe for a tranquil day on the water. While surfing isn't quite making waves with a modest 4.8, the wind from the west at a gentle 3 knots keeps the waters manageable for those who are determined. Kayakers should enjoy a smooth paddle with a 6.8 score, although be mindful of the 1.4 m/s ocean current pulling southeast—something to consider for your return trip. The air temperature is pleasant, ranging from 12.4°C in the morning to a warm 21°C by afternoon. However, the barometric pressure is on a slight decline, sitting at 1016 hPa, which could mean a change is coming, albeit not today. Looking ahead, conditions remain favorable for most activities, with minimal wind and precipitation expected over the next few days. However, keep an eye on September 2nd, when winds might pick up to 17.2 knots and a 66% chance of rain could dampen plans. For today, the best bet is to dive into the serene underwater world around Friday Harbor, where visibility and conditions promise an exceptional experience.