Marine Coastal Forecasts - Portland
Monday : Variable 10 knots but southerly 15 knots north of Poverty Bay. Becoming variable 10 knots everywhere in the afternoon. Sea slight. Easterly swell 2 metres. Fair visibility in a few showers, clearing in the afternoon.
Outlook following 3 days: Tuesday: Becoming southwest 20 knots morning, rising to 30 knots in the evening. Sea becoming rough. Moderate southwest swell developing. Moderate easterly swell. Wednesday: Rising to southwest 35 knots early, easing to 15 knots late. Sea becoming very rough for a time. Southerly swell becoming heavy. Moderate easterly swell easing. Thursday: Northerly 20 knots developing. Heavy southerly swell easing.