Marine Coastal Forecasts - Portland
Monday : Southwest 25 knots, easing to 15 knots this afternoon, and to variable 10 knots early evening. Rough sea easing. Very long period southwest swell 5 metres easing. Fair visibility in showers developing this morning, clearing this evening.
Outlook following 3 days: Tuesday: Northwest 15 knots. Moderate southwest swell. Wednesday: Southwest 15 knots. Moderate southwest swell. Thursday: Southerly 15 knots. Southwest swell becoming heavy.