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Coastal waters from Cape Foulweather to Florence OR out 10 NM

PZZ253 · Coastal Waters Forecast · National Weather Service Portland OR · Issued 145 PM PDT Sat Oct 3 2026
Dense Fog Advisory In Effect From 11 PM This Evening To Noon PDT Sunday
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Forecast
Tonight
N wind 10 to 15 kt with gusts up to 20 kt, easing to 5 to 10 kt late this evening and overnight. Seas 3 to 5 ft. Wave Detail: N 2 ft at 4 seconds and W 4 ft at 8 seconds. Areas of dense fog late this evening. Widespread dense fog after midnight.
Sun
N wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: N 3 ft at 4 seconds and W 3 ft at 9 seconds. Areas of dense fog in the morning, then patchy dense fog in the afternoon.
Sun Night
N wind 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 4 seconds and W 3 ft at 12 seconds.
Mon
N wind 10 to 15 kt, rising to 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 6 ft in the afternoon. Wave Detail: N 4 ft at 6 seconds and W 4 ft at 11 seconds.
Mon Night
N wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: N 4 ft at 6 seconds and W 4 ft at 11 seconds.
Tue
N wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: N 4 ft at 6 seconds and W 3 ft at 10 seconds.
Tue Night
N wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: N 4 ft at 6 seconds and W 3 ft at 11 seconds.
Wed
N wind 5 to 10 kt, rising to 15 to 20 kt in the afternoon. Seas 3 to 4 ft, building to 5 to 6 ft in the afternoon. Wave Detail: N 4 ft at 6 seconds, W 4 ft at 13 seconds and NW 5 ft at 16 seconds.
Wed Night
N wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 7 to 8 ft, subsiding to 5 to 6 ft after midnight. Wave Detail: N 4 ft at 6 seconds and W 5 ft at 15 seconds.
Thu
N wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: N 4 ft at 5 seconds and NW 5 ft at 13 seconds.
Thu Night
N wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 5 to 7 ft. Wave Detail: N 4 ft at 5 seconds, NW 5 ft at 12 seconds and SW 2 ft at 16 seconds.
Synopsis
High pressure continues through the weekend, with areas of dense fog each morning, especially within 40 NM of the coast. Diurnal northerly winds persist through much of the week, peaking each afternoon. Seas of 4 to 6 feet continue through midweek. Seas build late in the week as a long period northwesterly swell arrives.
Source: National Weather Service Coastal Waters Forecast (CWF), issued 145 PM PDT Sat Oct 3 2026, valid until Sun, 04 Oct 2026 20:45 UTC. Original text · All zones