United States
Hawaii · Pacific Ocean

Sunset Beach Water Temperature & Swim Forecast

Popular Hawaii beach near Haleiwa.

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Sea temperature now
Source: Open-Meteo Marine
Air temperature
Wave height
Wind
UV index

Location

Sunset Beach on the map, with nearby beaches and live sea temperatures.

7-day forecast

Water, air, waves, wind and UV outlook for the week ahead.

Wetsuit recommendation

Check live temperature

Live water temperature is loading — refresh in a moment for a precise recommendation.

Surf & watersports
Once the live reading appears we'll calculate the ideal wetsuit thickness for this beach.

Recommendation tuned for Sunset Beach's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.

Sunset Beach swimming conditions summary

Water temperature
Water feels
Swimmable today
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Swim conditions score
Wetsuit needed
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Air temperature
Waves
Wind
UV index
Warmest months to swim
June, July, August

Live water temperature is loading — refresh in a moment for a precise recommendation. Live marine data updated hourly from Open-Meteo Marine.

Frequently asked questions

Can I swim at Sunset Beach right now?

Live data is loading. Use the 7-day forecast above to plan your swim — conditions above 22°C are comfortable for most swimmers.

What will the sea temperature be at Sunset Beach next week?

Based on long-term August averages and the latest marine model, expect the sea around Sunset Beach to sit close to 27.0°C over the next 7 days. Check the live 7-day chart above for the exact daily outlook.

When is the best month to swim at Sunset Beach?

June – July – August are typically the warmest months to swim at Sunset Beach, with sea temperatures at their seasonal peak.

Quick answer

Can I swim at Sunset Beach today?

Live data is loading. In summer, this beach typically offers comfortable swimming conditions.

Key takeaways
  • • Located in Hawaii, United States (Pacific Ocean).
  • Best suited to confident swimmers and watersports.
  • • Live data refreshed hourly from Open-Meteo Marine.

Monthly sea temperature averages

Tap any month to see what to expect — based on regional climatology.

Best time to swim in Sunset Beach

The sea in Sunset Beach peaks in June, when the water averages around 27°C.

The main swimming season runs from January – December, when surface temperatures stay comfortable for extended sessions.

On average, 12 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.

The coldest month is typically January at around 24°C, when cold-water swimmers dominate the coast.

Sunset Beach sea temperature history

Long-term climatology for Sunset Beach shows an annual mean sea temperature of 26°C, ranging from 24°C in winter to 27°C at the summer peak.

The seasonal swing is roughly 3°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.

Recent decades have trended slightly warmer at Sunset Beach, in line with regional sea-surface temperature records for the wider basin.

Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.

Jan
24°C
Feb
24°C
Mar
24°C
Apr
25°C
May
26°C
Jun
27°C
Jul
27°C
Aug
27°C
Sep
27°C
Oct
27°C
Nov
26°C
Dec
25°C

Sunset Beach sea temperature: frequently asked questions

What is the warmest month to swim in Sunset Beach?

June is the warmest month in Sunset Beach, when the sea averages about 27°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Sunset Beach?

The coldest month in Sunset Beach is typically January, when the water averages around 24°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Sunset Beach without a wetsuit?

The main swimming season in Sunset Beach runs from January – December — about 12 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.

Do I need a wetsuit in Sunset Beach?

Sunset Beach stays warm year-round, so most swimmers never need a wetsuit — a rash guard is usually enough for sun and wildlife protection.

What is the average sea temperature in Sunset Beach?

The long-term annual mean sea temperature in Sunset Beach is about 26°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Sunset Beach?

The live reading at the top of this page shows the current sea temperature in Sunset Beach, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.

Year-round sea temperature

Best swim months: Jan – Feb – Mar – Apr – May – Jun – Jul – Aug – Sep – Oct – Nov – Dec

MonthSeaComfort
Jan24°CWarm
Feb24°CWarm
Mar24°CWarm
Apr25°CWarm
May26°CHot
Jun27°CHot
Jul27°CHot
Aug27°CHot
Sep27°CHot
Oct27°CHot
Nov26°CHot
Dec25°CWarm

Nearby beaches

The closest coastline, with live water temperatures.