When is the water warmest at Summerland Beach?

The sea at Summerland Beach is warmest in September, averaging around 18.6°C (65.5°F). The monthly water-temperature table on this page shows the 25-year average for every month.

Summerland Beach

Q: What is the water temperature at Summerland Beach today?

Today's reading: Summerland Beach surf report for Wednesday 30 Sept: waves 3 ft–3.5 ft chest to head high, 2.5 ft W swell at 8.45 s. Wind up to 8 mph ESE. Water 72°F. Best surf window around 3:00 AM — good (3.5/5) with 8 mph ESE wind. Live values on this page update automatically.

California · United States

IntermediateBeach break34.419, -119.598

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A april–october beach on the Gulf of California near California, Summerland Beach is exposed to S swell — SE–SW on the forecast is when it lights up, ideally with a NW–NE wind.

Today's surf at Summerland Beach

Updated 21:24 spot time

Summerland Beach surf report for Wednesday 30 Sept: waves 3 ft–3.5 ft chest to head high, 2.5 ft W swell at 8.45 s. Wind up to 8 mph ESE. Water 72°F. Best surf window around 3:00 AM — good (3.5/5) with 8 mph ESE wind.

Snapshot refreshed hourly — the live hourly forecast below updates in real time.

10-day forecast

Local time · updates hourly

Wave height & period

HeightPeriod

Wind

SpeedGusts

Time	Rating	Waves	Swell	Wind	Air

Water temperature by month

This month: ~17.7°C (63.9°F) on average

Jan

14.2°C

57.6°F · 12.3–16.2°C

Feb

13.9°C

57°F · 12.4–16.6°C

Mar

13.8°C

56.8°F · 11.8–16.9°C

Apr

13.8°C

56.8°F · 12.1–15.3°C

May

14.7°C

58.5°F · 13.2–17°C

Jun

16.5°C

61.7°F · 12.1–18°C

Jul

17.9°C

64.2°F · 14.8–20.7°C

Aug

18°C

64.4°F · 15–21.6°C

Sep

18.6°C

65.5°F · 14.6–22.5°C

Oct

17.7°C

63.9°F · 12.9–22.3°C

Nov

16.5°C

61.7°F · 14.4–19.1°C

Dec

15°C

59°F · 12.9–18.1°C

25-year monthly averages from the NOAA OISST satellite record — typical range min–max, not a live reading.

Know before you go

Best swell

SE–SW

Best wind

NW–NE

Break type

Beach break

Best season

April–October

Safety: Friendly by surf standards, but rip currents and drop-in etiquette still apply. Shifting sandbars create moving rip currents — learn to spot them and use them to get out back. Sharks are part of the ecosystem here — avoid dawn, dusk and murky rivermouth water.

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Nearby spots