TidePlanet

Waves in Alert Bay

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 5:46 pm (PDT)
Now · significant height 0.4 ft
Sea state
Smooth · Douglas 2
Period
3.3 s · NNW
Swell
0.2 ft · 5 s
Highest expected
0.9 ft

Today the sea at Alert Bay is smooth: 0.4 ft waves with a period of 3.3 s from the north-northwest. The swell, 0.2 ft at 5 s, comes from the west-northwest. Biggest waves: Monday 2, with waves up to 2.2 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 common0.2 ft
  • Significant0.4 ft
  • Highest expected0.9 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 0.9 ft. Before heading out, expect waves of up to 0.9 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 · week peak 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 1.0 ft Smooth NNW 6 s 0.3 ft WNW 2 mph S
Thu 29 1.2 ft Smooth E 3 s 0.3 ft WNW 4 mph ENE
Fri 30 1.1 ft Smooth E 2 s 0.2 ft ENE 3 mph S
Sat 31 1.1 ft Smooth E 2 s 0.3 ft ENE 5 mph S
Sun 1 0.9 ft Smooth E 2 s 0.3 ft NE 7 mph S
Mon 2 2.2 ft Slight E 3 s 0.1 ft NE 8 mph SSE
Tue 3 2.0 ft Slight E 3 s 0.2 ft NE 8 mph SSE

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 0.3 ft0.3 ft0.3 ft0.3 ft0.3 ft0.3 ft0.5 ft0.8 ft
Period 5.1 s5.5 s5.9 s5.9 s5.2 s4.6 s3.3 s2.5 s
Direction WNWWNWWNWWNWWNWWNWNESE
Swell 0.3 ft · 5 s0.3 ft · 5 s0.3 ft · 5 s0.3 ft · 5 s0.3 ft · 5 s0.3 ft · 5 s0.2 ft · 5 s0.2 ft · 5 s
Wind (mph) 2 W1 SSW1 S2 S2 SE1 E1 WSW1 SSE

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 WNW6 s0.3 ft WNW
Mon 26 1.0 ft WNW5 s0.3 ft NW
Sun 25 2.6 ft E4 s0.3 ft NE
Sat 24 3.9 ft E4 s0.0 ft N
Fri 23 2.0 ft WNW6 s1.0 ft WNW
Thu 22 2.6 ft WNW4 s0.3 ft WNW
Wed 21 0.3 ft WNW7 s0.0 ft WNW
Show all 14 days
DayMax wavePeriodSwell
Tue 20 0.3 ft WNW6 s0.3 ft WNW
Mon 19 0.3 ft WNW7 s0.3 ft WNW
Sun 18 0.7 ft ENE5 s0.3 ft WNW
Sat 17 1.3 ft WSW5 s0.3 ft WNW
Fri 16 1.6 ft E3 s0.3 ft ENE
Thu 15 2.0 ft E3 s0.3 ft ENE
Wed 14 1.3 ft E3 s0.3 ft NW

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 Alert BayQuestions

How are the waves today in Alert Bay?

Smooth (0.4 ft with a period of 3.3 s from the north-northwest). The highest wave to expect is around 0.9 ft.

Which day will have the biggest waves this week?

Monday 2, with waves up to 2.2 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 0.9 ft.

More about Alert Bay today

Waves near Alert Bay

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 8.9 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 5:46 pm (local time).

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