TidePlanet

Waves in Ist

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 11:02 am (CET)
Now · significant height 1.3 ft
Sea state
Smooth · Douglas 2
Period
3.0 s · NNE
Swell
0.8 ft · 3 s
Highest expected
2.8 ft

Today the sea at Ist is smooth: 1.3 ft waves with a period of 3.0 s from the north-northeast. The swell, 0.8 ft at 3 s, comes from the north. Biggest waves: Tuesday 3, with waves up to 3.6 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 common0.7 ft
  • Significant1.3 ft
  • Highest expected2.8 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 2.8 ft. Before heading out, expect waves of up to 2.8 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 1.6 ft Smooth NNE 3 s 1.0 ft N 10 mph NE
Fri 30 1.4 ft Smooth NE 3 s 0.5 ft NNE 10 mph NE
Sat 31 1.9 ft Slight ENE 3 s 0.4 ft N 12 mph NE
Sun 1 2.6 ft Slight NE 4 s 1.0 ft N 14 mph NE
Mon 2 3.3 ft Slight N 4 s 1.9 ft N 16 mph NE
Tue 3 3.6 ft Slight NNE 4 s 1.9 ft NNW 20 mph NE
Wed 4 2.2 ft Slight ENE 3 s 0.4 ft N 16 mph ENE

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 1.2 ft1.4 ft1.6 ft1.4 ft1.3 ft1.2 ft1.2 ft1.3 ft
Period 3.1 s3.0 s3.1 s3.2 s2.9 s2.9 s2.9 s2.8 s
Direction NNWNNNENNENNENNENNENE
Swell 1.0 ft · 3 s1.0 ft · 3 s1.0 ft · 3 s0.9 ft · 3 s0.8 ft · 3 s0.7 ft · 3 s0.7 ft · 3 s0.6 ft · 3 s
Wind (mph) 6 N7 NE9 NE9 NE9 NE10 NE8 NE9 NE

Previous days

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

DayMax wavePeriodSwell
Wed 28 1.6 ft NNE3 s1.0 ft NNE
Tue 27 1.6 ft ENE3 s0.3 ft NW
Mon 26 1.3 ft NW3 s1.0 ft WSW
Sun 25 2.0 ft N3 s1.0 ft NNW
Sat 24 2.6 ft SSW4 s2.0 ft SSW
Fri 23 1.6 ft S4 s1.3 ft WSW
Thu 22 3.3 ft WSW5 s2.3 ft WSW
Show all 14 days
DayMax wavePeriodSwell
Wed 21 5.6 ft SSE6 s2.6 ft SSE
Tue 20 4.6 ft SSE5 s0.7 ft SSW
Mon 19 0.0 ft SSE3 s0.0 ft SSW
Sun 18 0.0 ft SE4 s0.0 ft SE
Sat 17 0.7 ft ESE4 s0.3 ft ESE
Fri 16 0.7 ft NNW2 s0.3 ft NW
Thu 15 1.0 ft NW3 s1.0 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 IstQuestions

How are the waves today in Ist?

Smooth (1.3 ft with a period of 3.0 s from the north-northeast). The highest wave to expect is around 2.8 ft.

Which day will have the biggest waves this week?

Tuesday 3, with waves up to 3.6 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 2.8 ft.

More about Ist today

Waves near Ist

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 3.1 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 11:02 am (local time).

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