NWS news release. Weather pattern: A front will bring southerly gales and steep wind-driven seas Tuesday and Tuesday night. After the front passes, large, moderate period swell will arrive Wednesday bringing steep to very steep seas. The west swell will build into the coastal waters early Wednesday morning, peaking around 11pm on Thursday before gradually decreasing below 10 feet by Friday evening. Gale or hazardous seas warnings are hoisted for all of our marine waters beginning 4 AM on Tuesday.