Farallon Islands Marine Advisory Issued for August 30, 2025

San Francisco Bay Area, CA - The National Weather Service has issued a Small Craft Advisory for waters surrounding the Farallon Islands effective Saturday afternoon through late Saturday night, August 30, 2025. Mariners and recreational boaters are advised to exercise caution due to strengthening northwest winds and increasing seas.

Advisory Details Location: Coastal waters from Point Reyes to Point Pinos, including the Farallon Islands Effective: Saturday, August 30, 2025, 12:00 PM PDT until 11:00 PM PDT

Conditions:

• Northwest winds 15 to 20 kt, occasionally gusting higher
• Seas building to 5 to 7 ft
• Wave periods of 7 to 9 seconds

Forecast Summary:

• Tonight (Aug 30): NW winds 15-20 kt, easing to 10-15 kt after midnight; seas 4-6 ft.
• Sunday (Aug 31): NW winds 10-15 kt, seas 3-5 ft.

Boaters should secure loose gear, maintain a vigilant lookout, and consider delaying non-essential trips until conditions moderate. Small vessels, in particular, may be vulnerable to capsizing or swamping in these seas.

For the latest marine forecasts and advisories, visit the National Weather Service website.