Waves in Old Saybrook

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 7:59 pm (EDT)

Now · significant height 0.5 ft

Sea state: Smooth · Douglas 2
Period: 5.1 s · ESE
Swell: 0.5 ft · 4 s
Highest expected: 1.0 ft

Today the sea at Old Saybrook is smooth: 0.5 ft waves with a period of 5.1 s from the east-southeast. The swell, 0.5 ft at 4 s, comes from the east-southeast. Biggest waves: Friday 30, with waves up to 1.6 ft (smooth).

Wave height, next 7 days

1.02.03.0 ft 1.6 ft Now

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 common0.2 ft
Significant0.5 ft
Highest expected1.0 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 1.0 ft. Before heading out, expect waves of up to 1.0 ft.

The Douglas sea state scale

Degree	Name	Wave 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	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	0.9 ft	Smooth	ESE	6 s	0.5 ft ESE	7 mph NNW
Thu 29	1.4 ft	Smooth	SSE	5 s	0.5 ft ESE	10 mph SW
Fri 30	1.6 ft	Smooth	WSW	3 s	0.9 ft SW	10 mph WNW
Sat 31	1.2 ft	Smooth	WNW	3 s	0.5 ft W	8 mph NNW
Sun 1	0.8 ft	Smooth	SSE	6 s	0.3 ft SSE	6 mph WSW
Mon 2	0.9 ft	Smooth	SSW	5 s	0.6 ft SSW	6 mph WSW
Tue 3	1.1 ft	Smooth	SSE	5 s	0.3 ft ESE	6 mph ENE

Today, every 3 hours

Time	12:00 am	3:00 am	6:00 am	9:00 am	12:00 pm	3:00 pm	6:00 pm	9:00 pm
Waves	0.5 ft	0.6 ft	0.8 ft	0.8 ft	0.7 ft	0.7 ft	0.5 ft	0.5 ft
Period	6.1 s	5.3 s	3.6 s	3.9 s	4.4 s	4.8 s	5.1 s	5.2 s
Direction	ESE	ESE	E	E	E	ESE	ESE	ESE
Swell	0.5 ft · 4 s	0.5 ft · 5 s	0.5 ft · 4 s	0.5 ft · 4 s	0.4 ft · 4 s	0.5 ft · 4 s	0.4 ft · 4 s	0.5 ft · 4 s
Wind (mph)	4 NNW	5 N	5 N	7 N	2 WSW	4 S	3 SE	4 SSW

Previous days

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

Day	Max wave	Period	Swell
Tue 27	1.0 ft ENE	6 s	0.7 ft E
Mon 26	2.0 ft SW	4 s	0.7 ft ESE
Sun 25	1.0 ft ESE	6 s	0.3 ft ESE
Sat 24	1.0 ft ESE	5 s	0.7 ft E
Fri 23	1.3 ft NE	5 s	1.0 ft E
Thu 22	3.0 ft NE	5 s	1.6 ft E
Wed 21	3.0 ft ENE	5 s	1.6 ft E

Show all 14 days

Day	Max wave	Period	Swell
Tue 20	2.3 ft E	5 s	1.6 ft E
Mon 19	2.3 ft E	5 s	1.6 ft ESE
Sun 18	1.3 ft NE	5 s	0.7 ft ENE
Sat 17	2.6 ft NW	4 s	1.3 ft SW
Fri 16	2.6 ft S	4 s	1.0 ft SE
Thu 15	1.6 ft NNW	5 s	0.7 ft SSW
Wed 14	2.3 ft SW	4 s	1.0 ft SSW

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 Old SaybrookQuestions

How are the waves today in Old Saybrook?

Smooth (0.5 ft with a period of 5.1 s from the east-southeast). The highest wave to expect is around 1.0 ft.

Which day will have the biggest waves this week?

Friday 30, with waves up to 1.6 ft (smooth).

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 1.0 ft.

More about Old Saybrook today

Waves near Old Saybrook

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 5.8 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 7:59 pm (local time).

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