TidePlanet

Waves in San de Fuca

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 8:56 pm (PDT)
Now · significant height 0.6 ft
Sea state
Smooth · Douglas 2
Period
6.4 s · SW
Swell
0.3 ft · 9 s
Highest expected
1.2 ft

Today the sea at San de Fuca is smooth: 0.6 ft waves with a period of 6.4 s from the southwest. The swell, 0.3 ft at 9 s, comes from the west. Biggest waves: Thursday 29, with waves up to 1.5 ft (smooth).

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 common0.3 ft
  • Significant0.6 ft
  • Highest expected1.2 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 1.2 ft. Before heading out, expect waves of up to 1.2 ft.

The Douglas sea state scale

DegreeNameWave height
0 Calm (glassy) 0
1 Calm (rippled) 0.0 ft–0.3 ft
2 Smooth · today 0.3 ft–1.6 ft
3 Slight 1.6 ft–4.1 ft
4 Moderate 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 1.2 ft Smooth W 8 s 1.2 ft W 11 mph SSE
Thu 29 1.5 ft Smooth SE 3 s 0.5 ft WSW 15 mph SSE
Fri 30 0.7 ft Smooth SW 8 s 0.2 ft W 6 mph ESE
Sat 31 0.7 ft Smooth SSE 8 s 0.4 ft SSW 5 mph E
Sun 1 0.3 ft Calm (rippled) WNW 19 s 0.3 ft W 7 mph SSE
Mon 2 0.5 ft Smooth W 18 s 0.5 ft W 3 mph E
Tue 3 0.5 ft Smooth W 15 s 0.5 ft W 3 mph NNE

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 0.7 ft0.7 ft0.9 ft1.1 ft0.7 ft0.5 ft0.4 ft0.6 ft
Period 3.7 s3.6 s3.4 s3.6 s4.1 s5.6 s7.4 s6.3 s
Direction WWWWWWWSW
Swell 0.7 ft · 3 s0.5 ft · 3 s0.7 ft · 3 s1.0 ft · 3 s0.6 ft · 3 s0.4 ft · 5 s0.3 ft · 9 s0.3 ft · 9 s
Wind (mph) 5 SW5 SE5 W6 SSE9 SSE2 E5 E8 ESE

Previous days

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

DayMax wavePeriodSwell
Tue 27 0.7 ft W12 s0.7 ft W
Mon 26 0.3 ft NW11 s0.3 ft WNW
Sun 25 1.3 ft SE7 s0.3 ft SW
Sat 24 0.3 ft WNW8 s0.3 ft WNW
Fri 23 1.0 ft NW8 s0.7 ft WNW
Thu 22 0.7 ft W12 s0.3 ft W
Wed 21 0.3 ft WNW13 s0.3 ft W
Show all 14 days
DayMax wavePeriodSwell
Tue 20 0.3 ft NW9 s0.3 ft WNW
Mon 19 0.3 ft W11 s0.3 ft W
Sun 18 1.6 ft W12 s1.3 ft W
Sat 17 3.0 ft W4 s1.0 ft W
Fri 16 0.7 ft W14 s0.3 ft W
Thu 15 0.3 ft NW11 s0.3 ft NW
Wed 14 0.7 ft SW9 s0.3 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 San de FucaQuestions

How are the waves today in San de Fuca?

Smooth (0.6 ft with a period of 6.4 s from the southwest). The highest wave to expect is around 1.2 ft.

Which day will have the biggest waves this week?

Thursday 29, with waves up to 1.5 ft (smooth).

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 1.2 ft.

More about San de Fuca today

Waves near San de Fuca

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 4.0 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 8:56 pm (local time).

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