Marine-oriented ResourcesBuoyweather - Global marine weather forecasts
Crown Weather Services - Great aggregator for all observations & forecasts for, say, the tropics, or Florida, or Maine.
Latitude 38 - Check out their 'Lectronic Latitude daily sailing blog.
Magic Seaweed - Surf & wind forecasts and charts.
Mother of All Maritime Links - Good directory of all things marine related.
Ocean Prediction Center - Produces global marine weather observations and forecasts that you can receive a variety of ways.
Panbo - Latest reviews/info on new marine electronics from editor at Power & Motoryacht Magazine..
Professional Boatbuilder - Great magazine even if you don't build boats for a living, and now available online.
Reefast - Stainless steel reels to store anchor rode or mooring line.
Sailing Anarchy - Daily sailing blog but with an attitude.
SetSail - Yacht designer, builder, cruiser & author's website. Check out Anchoring Q&A section.
SSCA - Seven Seas Cruising Association.