Delaware, United States
Coastal Waters38.78°N, 75.13°WStation UN-DEL-LEW

Lewes Public Beach Sea Water Temperature

A temperate beach on the Coastal Waters, warmest around August at about 24°C. Today's reading, 7-day forecast, and monthly averages below.

Live readings · auto-updating
Water Temperature NowBuoy & Sentinel-3 SST

Lewes Public Beach water temperature

23.1
73.6°FComfortable (20°C – 24°C)

Pleasant and revitalizing. Great for most beachgoers and active recreational swimming.

+0°vs Sep avgCoastal Waters38.78°N, 75.13°W
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
25°C
76.3°F onshore
Wind Speed
12 km/h
Surface wind
Wave Height
0.8 m
Slight shore chop
Swell
0.6 m
Deep water swell
Wave Period
6 s
Peak interval
UV Index
—
Daily maximum
Sunrise
—
First morning light
Sunset
—
Golden hour close

7-Day Water Temperature Forecast

Open-Meteo ocean model
Today
WedSep 30
23.1°C
73.6°F
Waves: 1m
Comfortable
ThuOct 1
23.4°C
74.1°F
Waves: 0.9m
Comfortable
FriOct 2
23.5°C
74.3°F
Waves: 0.7m
Comfortable
SatOct 3
23.4°C
74.1°F
Waves: 0.6m
Comfortable
SunOct 4
23.1°C
73.6°F
Waves: 0.7m
Comfortable
MonOct 5
22.8°C
73°F
Waves: 0.9m
Comfortable
TueOct 6
22.7°C
72.9°F
Waves: 1m
Comfortable
Forecast cooling trend: -0.4°C over 7 days at Lewes Public Beach.
Confidence: High

Lewes Public Beach Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Lewes Public Beach occurs inJuly, August, September — peaking at24°C (75.2°F) in August.

Year-Round Water Temperature Curve (°C / °F)

Hover a bar for details
Current month Comfortable (20–24°C) Warm (24°C+) Cool (<20°C)
5
Jan
3
Feb
6
Mar
10
Apr
15
May
20
Jun
23
Jul
24
Aug
Current
23
Sep
19
Oct
13
Nov
8
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January0.1°C4.5°C7.1°CVery Cold (< 16°C)
February0.7°C3.2°C6.2°CVery Cold (< 16°C)
March0.7°C5.5°C10.7°CVery Cold (< 16°C)
April5.7°C9.6°C13.1°CVery Cold (< 16°C)
May10.5°C14.8°C19.7°CVery Cold (< 16°C)
June14.6°C20.1°C23.9°CComfortable (20°C – 24°C)
July20.1°C23.2°C26°CComfortable (20°C – 24°C)
August19.7°C24°C26.2°CWarm & Ideal (24°C – 28°C)
SeptemberCurrent19.8°C23.1°C25.6°CComfortable (20°C – 24°C)
October13.6°C18.6°C21.5°CCool / Refreshing (16°C – 20°C)
November8.6°C12.6°C16°CVery Cold (< 16°C)
December5.1°C7.8°C10.8°CVery Cold (< 16°C)

Swimming FAQs for Lewes Public Beach

Is the sea warm enough to swim in Lewes Public Beach today?

Typical sea surface temperature in Lewes Public Beach this time of year is 23.1°C (73.6°F) — classified as Comfortable (20°C – 24°C). Pleasant and revitalizing. Great for most beachgoers and active recreational swimming. Live readings load automatically.

What are the warmest months for swimming in Lewes Public Beach?

The highest water temperatures in Lewes Public Beach typically occur duringJuly, August, September, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Lewes Public Beach in September?

Historically in September, water temperatures in Lewes Public Beach average around23.1°C (73.6°F), fluctuating between a recorded minimum of 19.8°C and a maximum of 25.6°C.

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Lewes Public Beach Coastal Zone Map

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