TidePlanet

Waves in Georgetown

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 3:12 am (AST)
Now · significant height 5.0 ft
Sea state
Moderate · Douglas 4
Period
6.5 s · E
Swell
3.6 ft · 6 s
Highest expected
10 ft

Today the sea at Georgetown is moderate: 5.0 ft waves with a period of 6.5 s from the east. The swell, 3.6 ft at 6 s, comes from the east.

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 common2.5 ft
  • Significant5.0 ft
  • Highest expected10 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 10 ft. Before heading out, expect waves of up to 10 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 5.3 ft Moderate E 7 s 4.2 ft ENE 11 mph E
Fri 30 4.5 ft Moderate E 7 s 3.9 ft E 8 mph E
Sat 31 4.2 ft Moderate E 7 s 3.9 ft E 8 mph E
Sun 1 4.3 ft Moderate E 6 s 3.9 ft E 9 mph E
Mon 2 4.3 ft Moderate E 7 s 3.8 ft ENE 9 mph E
Tue 3 4.5 ft Moderate E 7 s 4.1 ft ENE 10 mph E
Wed 4 4.3 ft Moderate E 7 s 3.7 ft E 9 mph E

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 5.0 ft5.0 ft5.1 ft5.2 ft5.2 ft5.1 ft4.9 ft4.6 ft
Period 6.4 s6.5 s6.5 s6.5 s6.5 s6.6 s6.6 s6.6 s
Direction EEEEEEEE
Swell 3.6 ft · 6 s3.6 ft · 6 s3.7 ft · 6 s3.7 ft · 6 s3.8 ft · 6 s4.0 ft · 6 s4.1 ft · 5 s3.9 ft · 5 s
Wind (mph) 8 E8 E8 E10 E10 E9 E8 E7 E

Previous days

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

DayMax wavePeriodSwell
Wed 28 4.9 ft ENE7 s3.6 ft ENE
Tue 27 4.6 ft E7 s4.3 ft ENE
Mon 26 5.2 ft E7 s4.6 ft E
Sun 25 5.2 ft E7 s4.6 ft E
Sat 24 3.9 ft ENE6 s3.0 ft ENE
Fri 23 3.0 ft E7 s2.0 ft E
Thu 22 3.3 ft E7 s2.6 ft E
Show all 14 days
DayMax wavePeriodSwell
Wed 21 3.3 ft E7 s2.6 ft E
Tue 20 3.9 ft E7 s3.0 ft ESE
Mon 19 3.9 ft E8 s3.0 ft ENE
Sun 18 4.3 ft ENE9 s2.6 ft ENE
Sat 17 3.6 ft ENE10 s2.3 ft ENE
Fri 16 3.3 ft E8 s2.6 ft ENE
Thu 15 3.9 ft ENE8 s3.0 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 GeorgetownQuestions

How are the waves today in Georgetown?

Moderate (5.0 ft with a period of 6.5 s from the east). The highest wave to expect is around 10 ft.

Which day will have the biggest waves this week?

Thursday 29, with waves up to 5.3 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 10 ft.

More about Georgetown today

Waves near Georgetown

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 5.2 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 3:12 am (local time).

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