TidePlanet

Waves in Bellevue

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 9:14 pm (GMT-2:30)
Now · significant height 1.8 ft
Sea state
Slight · Douglas 3
Period
3.4 s · W
Swell
0.6 ft · 5 s
Highest expected
3.8 ft

Today the sea at Bellevue is slight: 1.8 ft waves with a period of 3.4 s from the west. The swell, 0.6 ft at 5 s, comes from the southwest. Biggest waves: Monday 2, with waves up to 3.9 ft (slight).

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 common0.9 ft
  • Significant1.8 ft
  • Highest expected3.8 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 3.8 ft. Before heading out, expect waves of up to 3.8 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 · today 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 2.2 ft Slight WNW 3 s 0.7 ft SW 17 mph WNW
Thu 29 2.4 ft Slight WSW 4 s 1.0 ft SW 17 mph W
Fri 30 3.6 ft Slight SW 5 s 1.0 ft SSW 20 mph SW
Sat 31 2.3 ft Slight W 6 s 1.1 ft SSW 15 mph N
Sun 1 2.4 ft Slight NW 4 s 0.7 ft SW 17 mph NW
Mon 2 3.9 ft Slight SW 5 s 1.3 ft SSW 22 mph WSW
Tue 3 2.6 ft Slight W 5 s 1.2 ft SW 14 mph WNW

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 1.9 ft1.8 ft1.8 ft2.1 ft2.2 ft2.2 ft2.0 ft1.8 ft
Period 3.3 s3.2 s3.2 s3.2 s3.3 s3.4 s3.4 s3.4 s
Direction WNWWNWWWNWWNWWNWWNWW
Swell 0.5 ft · 5 s0.4 ft · 5 s0.4 ft · 4 s0.5 ft · 4 s0.4 ft · 5 s0.4 ft · 5 s0.5 ft · 5 s0.6 ft · 5 s
Wind (mph) 12 WNW12 WNW13 WNW16 NW17 NW17 WNW14 WNW11 W

Previous days

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

DayMax wavePeriodSwell
Tue 27 3.0 ft W4 s1.3 ft SW
Mon 26 2.6 ft SW4 s1.0 ft SSW
Sun 25 1.3 ft W4 s0.7 ft WNW
Sat 24 4.3 ft NE5 s1.0 ft SSW
Fri 23 5.2 ft NE4 s0.3 ft SSW
Thu 22 1.0 ft SSW6 s0.3 ft S
Wed 21 1.0 ft NNE6 s0.3 ft SSW
Show all 14 days
DayMax wavePeriodSwell
Tue 20 3.0 ft SW4 s1.0 ft SSW
Mon 19 3.0 ft WSW6 s1.0 ft SW
Sun 18 3.3 ft WSW6 s2.0 ft SSW
Sat 17 4.9 ft SW6 s2.0 ft SSW
Fri 16 3.3 ft WNW5 s1.3 ft SW
Thu 15 3.3 ft SSW6 s2.0 ft SSW
Wed 14 1.6 ft SSW9 s1.0 ft SSW

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 BellevueQuestions

How are the waves today in Bellevue?

Slight (1.8 ft with a period of 3.4 s from the west). The highest wave to expect is around 3.8 ft.

Which day will have the biggest waves this week?

Monday 2, with waves up to 3.9 ft (slight).

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 3.8 ft.

More about Bellevue today

Waves near Bellevue

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 6.7 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 9:14 pm (local time).

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