TidePlanet

Waves in Astoria

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 3:53 pm (PDT)
Now · significant height 5.2 ft
Sea state
Moderate · Douglas 4
Period
8.3 s · WNW
Swell
4.5 ft · 8 s
Highest expected
10 ft

Today the sea at Astoria is moderate: 5.2 ft waves with a period of 8.3 s from the west-northwest. The swell, 4.5 ft at 8 s, comes from the west-northwest.

Wave height, next 7 days

Significant height: the average of the highest third of the waves, what an observer would estimate by eye. Swell: waves arriving from far away, longer.

The waves you may find today

  • Most common2.6 ft
  • Significant5.2 ft
  • Highest expected10 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 10 ft. Before heading out, expect waves of up to 10 ft.

The Douglas sea state scale

DegreeNameWave height
0 Calm (glassy) 0
1 Calm (rippled) 0.0 ft–0.3 ft
2 Smooth 0.3 ft–1.6 ft
3 Slight 1.6 ft–4.1 ft
4 Moderate · today 4.1 ft–8.2 ft
5 Rough 8.2 ft–13.1 ft
6 Very rough 13.1 ft–19.7 ft

Waves day by day

Day Max wave Sea state Direction Max period Swell Max wind
Today 5.3 ft Moderate W 9 s 4.6 ft WNW 12 mph WSW
Thu 29 4.8 ft Moderate W 9 s 4.2 ft WNW 9 mph SSE
Fri 30 3.1 ft Slight W 8 s 2.4 ft W 10 mph SE
Sat 31 2.5 ft Slight WSW 10 s 1.4 ft W 10 mph SE
Sun 1 3.0 ft Slight W 17 s 2.7 ft WNW 6 mph SE
Mon 2 4.8 ft Moderate W 17 s 4.4 ft WNW 8 mph E
Tue 3 4.8 ft Moderate W 13 s 4.7 ft W 7 mph E

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 4.5 ft4.9 ft5.1 ft5.2 ft5.3 ft5.2 ft5.1 ft5.0 ft
Period 7.2 s7.3 s7.5 s7.6 s7.8 s8.2 s8.4 s8.6 s
Direction WWWWWWNWWNWWNW
Swell 3.3 ft · 6 s3.9 ft · 5 s3.9 ft · 5 s4.0 ft · 7 s4.3 ft · 7 s4.5 ft · 8 s4.5 ft · 8 s4.4 ft · 8 s
Wind (mph) 12 SW9 W7 W6 SSE8 WSW9 WNW8 SW7 ESE

Previous days

The waves over the last 14 days. Tap a day to see it hour by hour.

DayMax wavePeriodSwell
Tue 27 4.3 ft W8 s3.0 ft W
Mon 26 4.6 ft WSW8 s3.6 ft W
Sun 25 5.9 ft W8 s5.2 ft W
Sat 24 3.9 ft WNW9 s3.6 ft WNW
Fri 23 5.6 ft WNW9 s4.6 ft WNW
Thu 22 5.6 ft WNW10 s4.6 ft WNW
Wed 21 3.0 ft WNW10 s2.6 ft W
Show all 14 days
DayMax wavePeriodSwell
Tue 20 4.3 ft W10 s4.3 ft W
Mon 19 4.6 ft W11 s4.3 ft W
Sun 18 4.9 ft W10 s4.6 ft W
Sat 17 4.9 ft W10 s4.6 ft W
Fri 16 3.9 ft W11 s3.6 ft W
Thu 15 3.3 ft W10 s3.3 ft W
Wed 14 3.3 ft W12 s3.0 ft W

These are the models at the start of each day (ECMWF and GFS; waves from Météo-France), not readings from a weather station: there can be differences at specific spots.

Questions about the waves in AstoriaQuestions

How are the waves today in Astoria?

Moderate (5.2 ft with a period of 8.3 s from the west-northwest). The highest wave to expect is around 10 ft.

Which day will have the biggest waves this week?

Wednesday 28, with waves up to 5.3 ft (moderate).

What is the wave period?

The time, in seconds, between two crests. With long periods (over 10 s) waves come from far away, are cleaner and break harder; with short periods they are wind waves, choppier.

What is significant wave height?

The average of the highest third of the waves. One in seven is higher and, a few times a day, one comes in at almost double: today, about 10 ft.

More about Astoria today

Waves near Astoria

Only places with a different forecast: spots a few miles apart share the same model cell and wouldn't add anything.

Learn more

Waves: Open-Meteo with Météo-France (MFWAM, up to 10 days) and ECMWF WAM, CC BY 4.0; wave grid point 2.5 mi away. Near the shore, the seabed and the shape of the coast change the waves.

Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 3:53 pm (local time).

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