Malaysia
Kedah · Andaman Sea

Tanjung Rhu Water Temperature & Swim Forecast

Long quiet north-Langkawi beach.

Very warm water with a light chop and a light breeze — great swimming conditions.

Sea temperature now
28.9°Ctropical
Excellent
Source: Open-Meteo Marine

Model estimate · modelled, not a buoy measurement. How accurate is this?

Air temperature
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Wave height
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Wind
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UV index
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Location

Tanjung Rhu 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

No wetsuit

At 28.9°C the water is warm enough to swim and surf in just a swimsuit or boardshorts.

Surf & watersports
Tropical-feel conditions. Most swimmers stay comfortable for an hour or more without thermal protection. UV exposure is the bigger risk — sunscreen and a rash vest are worth packing.
Open-water swimming
Open-water swims of 60+ minutes feel comfortable with no neoprene.

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

Tanjung Rhu swimming conditions summary

Water temperature
28.9°C
Water feels
Bath-warm
Swimmable today
Yes — comfortable for most swimmers
Swim conditions score
87/100 · Excellent
Wetsuit needed
No wetsuit
Air temperature
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Waves
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Wind
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UV index
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Average sea temperature (September)
29.0 °C
Warmest months to swim
February, April, May

At 28.9°C the water is warm enough to swim and surf in just a swimsuit or boardshorts. Model estimate. Water, wave, wind and UV values are Open-Meteo marine/weather model estimates, refreshed hourly — not buoy measurements.

Frequently asked questions

Can I swim at Tanjung Rhu right now?

The sea at Tanjung Rhu is currently 28.9°C — excellent swimming conditions. Most swimmers will find the water comfortable when it's above 22°C; below 18°C feels fresh and a wetsuit is recommended.

What will the sea temperature be at Tanjung Rhu next week?

Based on long-term September averages and the latest marine model, expect the sea around Tanjung Rhu to sit close to 29.0°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 Tanjung Rhu?

February – April – May are typically the warmest months to swim at Tanjung Rhu, with sea temperatures at their seasonal peak.

Do I need a wetsuit at Tanjung Rhu?

With water currently at 28.9°C: above 22°C no wetsuit needed; 18–22°C a shorty is comfortable for long swims; 14–18°C a 3/2mm full suit; below 14°C a 4/3mm or thicker.

Quick answer

Can I swim at Tanjung Rhu today?

The sea is currently 28.9°C — excellent swimming conditions. Most swimmers will find it pleasant.

Key takeaways
  • • Located in Kedah, Malaysia (Andaman Sea).
  • • Family friendly with calm, accessible water.
  • • 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 Tanjung Rhu

The sea in Tanjung Rhu peaks in April, when the water averages around 30°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 28°C, when cold-water swimmers dominate the coast.

Tanjung Rhu sea temperature history

Long-term climatology for Tanjung Rhu shows an annual mean sea temperature of 29°C, ranging from 28°C in winter to 30°C at the summer peak.

The seasonal swing is roughly 2°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 Tanjung Rhu, 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
28°C
Feb
29°C
Mar
29°C
Apr
30°C
May
30°C
Jun
29°C
Jul
29°C
Aug
29°C
Sep
29°C
Oct
29°C
Nov
28°C
Dec
28°C

Tanjung Rhu sea temperature: frequently asked questions

What is the warmest month to swim in Tanjung Rhu?

April is the warmest month in Tanjung Rhu, when the sea averages about 30°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Tanjung Rhu?

The coldest month in Tanjung Rhu is typically January, when the water averages around 28°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Tanjung Rhu without a wetsuit?

The main swimming season in Tanjung Rhu 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 Tanjung Rhu?

Tanjung Rhu 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 Tanjung Rhu?

The long-term annual mean sea temperature in Tanjung Rhu is about 29°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Tanjung Rhu?

The live reading at the top of this page shows the current sea temperature in Tanjung Rhu, 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
Jan28°CHot
Feb29°CHot
Mar29°CHot
Apr ⭐30°CHot
May30°CHot
Jun29°CHot
Jul29°CHot
Aug29°CHot
Sep29°CHot
Oct29°CHot
Nov28°CHot
Dec28°CHot

Nearby beaches

The closest coastline, with live water temperatures.