TidePlanet

Waves in French Harbor

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 8:40 pm (CST)
Now · significant height 2.1 ft
Sea state
Slight · Douglas 3
Period
5.7 s · NNE
Swell
2.0 ft · 5 s
Highest expected
4.3 ft

Today the sea at French Harbor is slight: 2.1 ft waves with a period of 5.7 s from the north-northeast. The swell, 2.0 ft at 5 s, comes from the north-northeast.

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 common1.0 ft
  • Significant2.1 ft
  • Highest expected4.3 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 4.3 ft. Before heading out, expect waves of up to 4.3 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 2.7 ft Slight N 6 s 2.2 ft NNE 14 mph W
Thu 29 2.1 ft Slight NNE 6 s 2.0 ft NNE 9 mph W
Fri 30 1.3 ft Smooth NNE 6 s 1.2 ft NNE 8 mph WSW
Sat 31 1.0 ft Smooth NE 6 s 0.9 ft N 9 mph ENE
Sun 1 1.2 ft Smooth ENE 5 s 1.0 ft ENE 6 mph NNE
Mon 2 1.2 ft Smooth ENE 6 s 0.9 ft ENE 9 mph WNW
Tue 3 1.1 ft Smooth ENE 6 s 0.9 ft E 10 mph NE

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 2.7 ft2.6 ft2.6 ft2.4 ft2.3 ft2.2 ft2.1 ft2.1 ft
Period 5.5 s5.5 s5.5 s5.5 s5.7 s5.8 s5.8 s5.7 s
Direction NNNNNNNENNENNE
Swell 2.2 ft · 5 s2.2 ft · 5 s2.2 ft · 5 s2.1 ft · 5 s2.0 ft · 5 s2.0 ft · 5 s2.0 ft · 5 s2.0 ft · 5 s
Wind (mph) 13 WNW13 NW13 WNW14 W8 WSW7 W4 WNW1 NNW

Previous days

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

DayMax wavePeriodSwell
Tue 27 3.3 ft NW6 s2.3 ft N
Mon 26 3.6 ft N6 s2.6 ft NNE
Sun 25 3.3 ft N6 s3.0 ft N
Sat 24 2.6 ft N5 s2.3 ft N
Fri 23 2.6 ft NNE7 s2.3 ft N
Thu 22 2.0 ft NNE6 s1.6 ft NNE
Wed 21 2.6 ft ENE7 s2.3 ft ENE
Show all 14 days
DayMax wavePeriodSwell
Tue 20 3.0 ft ENE6 s2.0 ft E
Mon 19 3.0 ft ENE7 s2.3 ft ENE
Sun 18 3.3 ft ENE5 s2.3 ft ENE
Sat 17 3.6 ft ENE6 s3.3 ft ENE
Fri 16 4.3 ft E6 s3.6 ft ENE
Thu 15 4.3 ft ENE6 s2.3 ft ENE
Wed 14 2.0 ft NE6 s1.6 ft ENE

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 French HarborQuestions

How are the waves today in French Harbor?

Slight (2.1 ft with a period of 5.7 s from the north-northeast). The highest wave to expect is around 4.3 ft.

Which day will have the biggest waves this week?

Wednesday 28, with waves up to 2.7 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 4.3 ft.

More about French Harbor today

Waves near French Harbor

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 2.4 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 8:40 pm (local time).

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