TidePlanet

Waves in Rose Blanche-Harbour Le Cou

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 10:30 pm (GMT-2:30)
Now · significant height 4.4 ft
Sea state
Moderate · Douglas 4
Period
5.7 s · WSW
Swell
1.6 ft · 6 s
Highest expected
9.0 ft

Today the sea at Rose Blanche-Harbour Le Cou is moderate: 4.4 ft waves with a period of 5.7 s from the west-southwest. The swell, 1.6 ft at 6 s, comes from the west-southwest. Biggest waves: Monday 2, with waves up to 6.4 ft (moderate).

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 common2.2 ft
  • Significant4.4 ft
  • Highest expected9.0 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 9.0 ft. Before heading out, expect waves of up to 9.0 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 4.4 ft Moderate W 7 s 3.3 ft W 21 mph NW
Thu 29 4.3 ft Moderate WSW 6 s 2.8 ft WSW 12 mph W
Fri 30 6.0 ft Moderate SSW 6 s 4.7 ft S 15 mph W
Sat 31 3.4 ft Slight SSW 6 s 2.8 ft SSW 15 mph NNW
Sun 1 3.8 ft Slight WSW 7 s 2.6 ft W 15 mph WNW
Mon 2 6.4 ft Moderate SW 8 s 3.2 ft SSW 19 mph W
Tue 3 4.3 ft Moderate SW 7 s 2.8 ft S 10 mph NW

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 4.2 ft4.1 ft3.9 ft4.2 ft4.3 ft4.1 ft4.1 ft4.3 ft
Period 6.7 s6.7 s6.5 s6.7 s6.3 s6.0 s6.0 s5.8 s
Direction WWWWWWWWSW
Swell 3.3 ft · 6 s3.1 ft · 6 s2.6 ft · 7 s2.8 ft · 7 s2.2 ft · 6 s1.8 ft · 6 s2.0 ft · 6 s1.7 ft · 6 s
Wind (mph) 16 NW17 NW17 NW17 NW20 NW18 NW14 WNW12 WNW

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 W7 s3.3 ft W
Mon 26 3.6 ft SW7 s2.6 ft WSW
Sun 25 3.0 ft SSW8 s2.6 ft S
Sat 24 4.9 ft ESE10 s3.9 ft SE
Fri 23 4.9 ft ESE9 s3.9 ft SE
Thu 22 3.3 ft SSE8 s3.0 ft SSE
Wed 21 2.6 ft SSE7 s2.6 ft SSE
Show all 14 days
DayMax wavePeriodSwell
Tue 20 5.6 ft SSW7 s4.9 ft S
Mon 19 5.9 ft SSW7 s4.9 ft SSW
Sun 18 6.9 ft SW8 s5.2 ft S
Sat 17 8.5 ft SSW8 s5.2 ft S
Fri 16 6.6 ft WSW8 s4.3 ft WSW
Thu 15 8.2 ft SSE9 s8.2 ft SSE
Wed 14 5.9 ft SSE9 s4.9 ft S

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 Rose Blanche-Harbour Le CouQuestions

How are the waves today in Rose Blanche-Harbour Le Cou?

Moderate (4.4 ft with a period of 5.7 s from the west-southwest). The highest wave to expect is around 9.0 ft.

Which day will have the biggest waves this week?

Monday 2, with waves up to 6.4 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 9.0 ft.

More about Rose Blanche-Harbour Le Cou today

Waves near Rose Blanche-Harbour Le Cou

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 1.4 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 10:30 pm (local time).

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