Marine Coastal Forecasts - Portland
Tuesday : Variable 10 knots. Northerly 15 knots developing in the evening. Sea slight. Southwest swell rising to 2 metres, period 16 seconds.
Outlook following 3 days: Wednesday: Northerly 15 knots, rising to northerly 25 knots in the south in the afternoon. Sea becoming rough in the north. Moderate southwest swell easing. Thursday: Becoming southerly 25 knots in the south late. Sea rough in the north. Friday: Becoming southerly 20 knots everywhere. Rough sea easing. Southerly swell becoming moderate.