TidePlanet

Waves in Portland Creek

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 3:30 am (GMT-2:30)
Now · significant height 5.4 ft
Sea state
Moderate · Douglas 4
Period
6.0 s · W
Swell
4.2 ft · 6 s
Highest expected
11 ft

Today the sea at Portland Creek is moderate: 5.4 ft waves with a period of 6.0 s from the west. The swell, 4.2 ft at 6 s, comes from the west-southwest. Biggest waves: Monday 2, with waves up to 7.2 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 common2.7 ft
  • Significant5.4 ft
  • Highest expected11 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 11 ft. Before heading out, expect waves of up to 11 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 6.0 ft Moderate WSW 6 s 4.3 ft WSW 19 mph WSW
Fri 30 6.4 ft Moderate SW 6 s 5.1 ft WSW 22 mph SW
Sat 31 4.1 ft Slight NW 6 s 3.8 ft W 10 mph NNE
Sun 1 3.7 ft Slight WNW 5 s 2.6 ft WNW 16 mph W
Mon 2 7.2 ft Moderate WSW 6 s 5.1 ft SW 22 mph WSW
Tue 3 6.8 ft Moderate W 6 s 4.4 ft WSW 17 mph WNW
Wed 4 3.9 ft Slight SW 5 s 2.6 ft WSW 19 mph SE

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 6.0 ft5.5 ft5.0 ft4.6 ft4.5 ft4.9 ft5.1 ft4.7 ft
Period 6.0 s6.0 s6.0 s5.7 s5.3 s5.2 s5.4 s5.3 s
Direction WWWSWWSWWSWWSWWSWWSW
Swell 3.7 ft · 6 s4.1 ft · 6 s3.9 ft · 6 s3.3 ft · 6 s1.7 ft · 6 s1.2 ft · 5 s1.9 ft · 6 s2.9 ft · 5 s
Wind (mph) 16 W14 W12 W14 WSW16 WSW18 WSW18 WSW15 SW

Previous days

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

DayMax wavePeriodSwell
Wed 28 6.9 ft WNW6 s4.6 ft W
Tue 27 6.9 ft WNW6 s4.6 ft WSW
Mon 26 6.2 ft WSW6 s3.9 ft W
Sun 25 6.2 ft WSW6 s3.0 ft W
Sat 24 2.0 ft NW4 s1.6 ft NNW
Fri 23 5.9 ft N6 s3.3 ft NNW
Thu 22 3.6 ft WSW5 s2.6 ft W
Show all 14 days
DayMax wavePeriodSwell
Wed 21 2.3 ft W5 s2.0 ft WSW
Tue 20 8.9 ft SW7 s4.9 ft WSW
Mon 19 10 ft WSW8 s5.2 ft W
Sun 18 8.5 ft W8 s6.6 ft WSW
Sat 17 12 ft WSW8 s7.2 ft WSW
Fri 16 7.9 ft NW6 s4.3 ft WNW
Thu 15 6.9 ft NNW6 s1.3 ft WSW

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 Portland CreekQuestions

How are the waves today in Portland Creek?

Moderate (5.4 ft with a period of 6.0 s from the west). The highest wave to expect is around 11 ft.

Which day will have the biggest waves this week?

Monday 2, with waves up to 7.2 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 11 ft.

More about Portland Creek today

Waves near Portland Creek

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 3.5 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 3:30 am (local time).

Spotted a mistake? Tell us · Where the weather and sea data come from

Settings

How numbers and colors show across the site.

Height and distance Tides, waves and distances
Temperature Air and water
Wind Speed and gusts
Time Tides, sun and moon
Pressure Air pressure
Theme Automatic: same as your system

Saved only in this browser.