TidePlanet

Koh Tao today: waves, weather and sun

Thursday, October 29, 2026 · local time (GMT+7) Thu, Oct 29 · GMT+7 C · No station nearby

Today, Thursday, October 29, in Koh Tao the sun rises at 6:11 am and sets at 5:58 pm: 11 h 47 min of daylight. The moon is 87% illuminated (waning gibbous) and rises at 8:55 pm. Major solunar periods run from 1:28 am to 3:28 am and from 2:00 pm to 4:00 pm. The next spring tides arrive from November 10 to 12. The sea is slight, with 2.1 ft waves. There's a moderate breeze from the southeast (15 mph). Drizzle, 81 °F.

Fishing

Fishing in Koh Tao today

Fishing forecast, 7 days →

Best time to fish

Solunar activity today: medium
5
Average day · 5 out of 10 2:00–4:00 pm Also 5:30–6:20 pm
  • Major period 2:00–4:00 pm
  • Steady pressure (29.85 inHg), moderate onshore wind (15 mph) and some swell (2.2 ft waves) to stir the water
  • Waning gibbous: a bit more activity than at the quarters

Your day at a glance

The best window, 2:00 pm to 4:00 pm, combines a major period and some swell, though with moderate wind. Also worth a try from 5:30 pm to 6:20 pm, with sunset and some swell, though with moderate wind.

We don't show the tide for Koh Tao, so it doesn't count in the rating. How it works · Next 7 days

Beach

Beach day in Koh Tao

Beach forecast, 7 days →

Is it a beach day?

2
Not a beach day · 2 out of 10 No good beach time today.
  • Feels like 87 °F: beach weather
  • Calm for swimming: 2.2 ft waves
  • UV 6 (high): SPF 50 sunscreen
  • Water at 85 °F (very warm)
  • Cloudy (100% cloud cover)
  • Thunderstorms: get out of the water and off the beach

Thunderstorms during beach hours: get out of the water and off the sand as soon as you hear thunder.

Today, hour by hour

  • Swimming Calm · 2.2 ft

    2.2 ft waves: calm for swimming. Low rip current risk. Always follow the lifeguard's flags.

  • Water 85 °F

    Very warm: barely refreshing.

  • Sun & sunscreen UV 6 · SPF 50

    Max UV 6 (high): SPF 50 sunscreen, reapplied every 2 hours.

  • Wind 17 mph

    Moderate onshore wind (17 mph).

  • Tide & sand

    We don't show the tide for Koh Tao, so it doesn't count in the rating.

We don't have data on jellyfish, sargassum or beach closures: ask the lifeguard or check with the local beach authority. How it works · The next 7 days

Beaches near Koh Tao

Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors

Named beaches within 6.2 mi, nearest first. Amenities from OpenStreetMap: some may be missing or out of date. View on OpenStreetMap · Add or fix on OpenStreetMap

Beaches and amenities: © OpenStreetMap contributors (ODbL).

Tides

Tides in Koh Tao

Tides in Koh Tao: not available yet

C · No station nearby

There is no tide station near Koh Tao, and we can't rely on the global tide model on this coast: for now we don't show its tide.

Meanwhile, see the tide in Ban Khok Ta Hom · 93 mi

The sun, moon, solunar periods and spring tides on this page do apply to this place.

Sea and waves

The sea at Koh Tao

7-day waves

Sea stateSea state: slight

Slight Douglas 3 · moderate breeze, Beaufort 4
Waves 2.1 ft · 3.5 s from the east (93°)
Swell 1.1 ft · 3.3 s from the northeast
Current 0.3 mph toward the S

The waves you may find

  • Most commonMost common1.0 ft
  • Significant2.1 ft
  • Highest expectedHighest4.5 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 4.5 ft. Before heading out, expect waves of up to 4.5 ft.

Wind on the coast and offshore

On the coast 15 mph SE · gusts 21

The model doesn't separate offshore wind here: it's the same as on the coast.

Cross-onshore wind. The coast faces northeast and the wind comes in from the sea at an angle: a bit more surf at the shore and drift along the coast, toward land.

Cross-onshore Hourly wind →

Wave height, next 7 daysWaves, next 7 days

Waves stay much the same all week. The biggest waves arrive on Thursday 29: 2.2 ft with a period of 4 s, from the east (slight).

Water temperature

Water temperature →
Water now85.5 °F
Today 85.3–85.6 °F air: 81 / 84 °F
Satellite (2 days ago) 86.7 °F measured 1.5 mi away

Water temperature changes how fish behave: in very cold or very warm water they feed less. The water is steady these days, with no sudden changes.

Water warmer than normal for late October (+1.8 °F).

Satellite: NASA MUR (JPL MUR MEaSUREs, PO.DAAC), doi:10.5067/GHGMR-4FJ04. Sources and licenses

Water temperature →

Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 8:00 am (local time).

Surf

Surf in Koh Tao today

Surf hour by hour and 7 days →

Surf today

Poor
0
Poor · 0 out of 10 6:00–10:00 am 1.2–1.8 ft
  • 1.2–1.8 ft surf at the shore, small: good for learning or a longboard
  • 1.2 ft swell at 3 s from the northeast, short: weak, messy waves
  • 1.5 ft wind swell at 3 s: messy waves
  • Moderate onshore wind (13 mph): a bit of chop
  • Thunderstorm: stay out of the water (lightning)

Thunderstorms in the best window: with lightning, stay out of the water.

Surf at the shore 1.2–1.8 ft average – sets
Swell 1.2 ft 3 s · NE · 6 kJ
Wind 13 mph ESE · onshore
Water and wetsuit 85.3 °F Boardshorts
  • Light: First light 5:49 am · sunrise 6:11 am · sunset 5:58 pm · last light 6:20 pm
  • Tide: We don’t have a reliable tide to show here.
  • Water at 85.3 °F: boardshorts or a swimsuit and a rash guard.
  • Energy: 6 kJ · Low power

Today’s surf at a glance

The best window is 6:00 am to 10:00 am, though with a short-period swell, wind swell, onshore wind and thunderstorms.

An estimate for this stretch of coast, not for a specific break: every beach or reef works its own way (its tide, bottom and angle). Check it when you get there.

Follow the flags and the lifeguards, and don’t paddle out if the surf is above your level: this score is a guide, not a substitute for what you see when you get there.

How it’s calculated · Next 7 days

Diving

Diving in Koh Tao today

Diving and snorkeling, 7 days →

Diving and snorkeling today

Likely visibility: fair
8
Good day · 8 out of 10 11:30 am–2:30 pm Also 4:00–6:00 pm
  • 1.5 ft swell at 4 s from the east-northeast: barely any surge
  • Moderate onshore wind (13 mph)
  • 0.5 mph current toward the southeast, weak (model)
  • Sun high: more light underwater
Swell 1.5 ft 4 s · from the ENE
Likely visibility Fair Snorkeling: fair
Water and suit 85.3 °F Shorty or a rash guard
Current 0.5 mph toward the SE
  • Slack water today: none; the tide doesn't count here
  • Likely visibility: fair. Rain (2.11 in) over the last few days has stirred up the water. Based on the last 24 hours of data.
  • Water at 85.3 °F: a shorty or a rash guard.
  • Snorkeling: doable, with some waves or wind.
  • Night dive: dark from 6:20 pm. Waning gibbous (87%), rising at 8:55 pm: a bright night.

Your diving day at a glance

The best window, 11:30 am to 2:30 pm, combines little swell, weak current and the sun high, though with moderate wind. Also worth a look from 4:00 pm to 6:00 pm, with little swell, though with moderate wind and current.

We don't have a reliable tide for Koh Tao, so slack water doesn't count in the rating.

Never dive alone and check with the local dive shop: this rating is a guide, not a substitute for a professional.

How it works · Next 7 days

Dive sites, wrecks and dive shops nearby

Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors

Within 12 mi. Some may be missing or closed; marine reserves usually need a permit. Open the map on OpenStreetMap · Missing one? Add it to OpenStreetMap

Wreck and reef positions are approximate and not for navigation; a wreck’s depth runs from the top of the hull to the seabed.

Sites: © OpenStreetMap contributors (ODbL). Wrecks: EMODnet Human Activities (AND-International), from UK Hydrographic Office data, CC BY 4.0. Contains public sector information licensed under the Open Government Licence v3.0.

Weather

Weather in Koh Tao

14-day weather

Now in Koh Tao

Now 81 °F Drizzle · feels like 86 °F · 81 / 84 °F
Low / high
81 / 84 °F
Rain
1.15 in · 100%
Clouds
100%
Humidity
81%
Dew pointDew point
75 °F
Visibility
4.7 mi
UV indexUV
1 · low
Air qualityAir
Fair · 32
Saharan dust
No

Pressure and fishing

  • ↗ RisingRising · now Anglers say fish bite less for a while
  • → SteadySteady Anglers expect normal activity
  • ↘ FallingFalling Anglers say fish feed more before the change

Rising now (+0.06 inHg in 3 hours). It barely changes over the next 48 hours. Rising pressure: anglers say fish bite less for a while. Fast changes, either way, tend to affect fishing.

Today, hour by hourHour by hour

Hourly weather Wind Surf

Bars: mean wind. Dashed line: gusts. Arrows point where the wind blows to.

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Sky ShowersLight showersLight showersDrizzleLight showersDrizzleDrizzleOvercast
Temperature 82°82°81°82°82°82°83°84°
Wind (mph) 13 E13 E13 ESE16 SE14 ESE15 SE15 SE16 ESE
Gusts 1818192324232121
Waves 2.1 ft2.0 ft2.0 ft2.2 ft2.2 ft2.2 ft2.1 ft2.0 ft
Rain 0.12 in0.08 in0.07 in0.02 in0.07 in0.03 in0.03 in0.00 in
  • 9:00 am 82° 16 SE 2.2 ft
  • 12:00 pm 82° 14 ESE 2.2 ft
  • 3:00 pm 82° 15 SE 2.2 ft
  • 6:00 pm 83° 15 SE 2.1 ft
  • 9:00 pm 84° 16 ESE 2.0 ft
  • 12:00 am 81° 14 SE 2.0 ft
  • 3:00 am 82° 15 ESE 2.0 ft
  • 6:00 am 82° 14 SE 1.9 ft

Next 14 daysComing days

Day Sky Low / high Max wind Max wave
Today · 29 Showers 81 / 84 °F 17 mph ESE 2.2 ft
Fri 30 Light showers 80 / 83 °F 16 mph ESE 2.1 ft
Sat 31 Drizzle 81 / 83 °F 13 mph ESE 1.4 ft
Sun 1 Heavy drizzle 81 / 83 °F 9 mph E 1.2 ft
Mon 2 Drizzle 81 / 83 °F 9 mph ENE 0.7 ft
Tue 3 Drizzle 80 / 83 °F 10 mph E 0.3 ft
Wed 4 Drizzle 80 / 84 °F 11 mph E 0.7 ft
Thu 5 Drizzle 80 / 83 °F 9 mph ESE 0.6 ft
Fri 6 Drizzle 81 / 83 °F 13 mph E 0.9 ft
Sat 7 Light showers 80 / 83 °F 16 mph E 2.2 ft
Sun 8 Light showers 79 / 82 °F 15 mph E 2.2 ft
Mon 9 Light showers 79 / 84 °F 13 mph E 2.2 ft
Tue 10 Drizzle 80 / 84 °F 12 mph E 1.7 ft
Wed 11 Drizzle 81 / 83 °F 12 mph E 1.8 ft
  • Fri 30 Light showers 80° / 83° 2.1 ft
  • Sat 31 Drizzle 81° / 83° 1.4 ft
  • Sun 1 Heavy drizzle 81° / 83° 1.2 ft
  • Mon 2 Drizzle 81° / 83° 0.7 ft
  • Tue 3 Drizzle 80° / 83° 0.3 ft
  • Wed 4 Drizzle 80° / 84° 0.7 ft
  • Thu 5 Drizzle 80° / 83° 0.6 ft
See all 14 days →

Each day comes from the best model covering this spot: regional ones first (HRRR and NBM in the U.S., AROME, ICON-EU), then ECMWF; day 16, NOAA GFS. Waves: Météo-France up to day 10, then ECMWF WAM, coarser and further offshore.

  • The models Partly agree · medium confidence: unsure about rain today. See the models →
  • Outlook Next few weeks, compared with normal: a bit warmer, normal rain and a slightly warmer sea. See the outlook →
  • Normal Today, normal highs for late October (85 °F). Climate by month →

Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 8:00 am (local time).

Sun

The sun in Koh Tao

Sunrise and sunset →

Sunrise and sunset

Rises 6:11 am in the ESE (103°)ESE
Sets 5:58 pm in the WSW (256°)WSW
  • First light 5:24 am
  • Full dark 6:45 pm
  • Civil dawn 5:49 am
  • Civil dusk 6:20 pm
  • Solar noon 12:04 pm (66° high)
  • Daylight 11 h 47 min (−0 min)
  • Evening golden hour 5:29 pm
  • Full dark 6:45 pm

Golden hour and the day-night map

Morning golden hour6:11–6:39 am
Evening golden hour5:29–5:58 pm
Koh Tao

Today the sun is 92,342,263 mi away and looks 32′ 11″ across.

Moon and solunar

The moon in Koh Tao

The moon for 7 days →

Moon phase and position

Waning gibbous · 87% 87% illuminated · 18.5 days old New moon on Mon, Nov 9 · 2:03 pm
Rises 8:55 pm in the ENE (62°)ENE
Sets 10:10 am tomorrow · in the WNW (298°) · set at 9:05 am
Transit 2:28 am overhead
Visible 13 h 16 min from 8:55 pm to 10:10 am

Today the moon is 226,507 mi away and looks 32′ 46″ across.

Solunar periods

Today's activity: medium
  • 1:28–3:28 am Major · the moon passes overhead · high activity
  • 2:00–4:00 pm Major · the moon passes underfoot · high activity
  • 8:35–9:35 am Minor · moonset · medium activity
  • 8:25–9:25 pm Minor · moonrise · medium activity

According to solunar theory, fish feed more when the moon passes overhead or underfoot (major periods, about 2 h) and when it rises or sets (minor periods, 1 h). It works best around new and full moon.

Upcoming moon phases

2026 moon calendar →
  • Last quarter Mon, Nov 2 · 3:29 amNov 2 in 4 days
  • New moon Mon, Nov 9 · 2:03 pmNov 9 in 11 days
  • First quarter Tue, Nov 17 · 6:48 pmNov 17 in 19 days
  • Full moon Tue, Nov 24 · 9:54 pmNov 24 in 26 days

Next perigee (the moon at its closest to Earth): October 29, 226,426 mi away.

Place

Where to fish in Koh Tao

All places in Surat Thani →

Piers, ramps and tackle shops nearby

Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors

Within 9.3 mi. A spot may be missing or closed. Open the map on OpenStreetMap · Missing one? Add it to OpenStreetMap

Spots: © OpenStreetMap contributors (ODbL) and Overture Maps.

Water depth

Gentle slope

The bottom slopes gently: 16 ft deep 0.6 mi from shore and 33 ft at 0.65 mi.

From the shoreline (0.65 mi from Koh Tao) out to sea, heading northeast.

How far from shore

  • 16 ft deep0.6 mi
  • 33 ft deep0.65 mi
  • 66 ft deep0.7 mi
  • 164 ft deepnot within 3.1 mi

For fishing, swimming and diving

  • Shore fishing. Shallow, gradual bottom (16 ft at 0.6 mi): cast far from the beach and fish the high tide, when there is more water close in.
  • Swimming. A very gentle way in with plenty of shallow water, good for kids. At low tide the water can be far out.
  • Diving. Shallow near shore: you only reach 33 ft at 0.65 mi. For dives deeper than 33 ft, go by boat.

Rough estimate: here the data comes in cells of about 0.3 mi and misses details near shore (rocks, sandbars, small coves).

Source: NOAA ETOPO 2022 (CC0), cells of about 0.3 mi; depth below mean sea level. For reference only: not for navigation or anchoring.

Nearest lighthouse

Ko Tao 1.7 mi north

Light
A white flash every 5 s · Fl W 5s
Range
16 nautical miles (18 mi)
Light height
243 ft above sea level
Tower height
36 ft

Light details: NGA List of Lights (USA); the rest from Wikidata. For reference only: not for navigation. Sources and licenses

Tides near Koh TaoTides nearby

All places in Surat Thani, A to Z (42) →

Koh Tao at a glance

  • Town or city of about 1,382 people. Coordinates: 10.098° N, 99.838° E.
  • It is 75 mi northeast of Surat Thani, the main place in Surat Thani. The sun rises 1 min earlier and sets 3 min earlier than in Surat Thani.
  • Its coast faces northeast.
  • Beaches and harbors nearby: Ao Hin Wong (0.6 mi), Sairee Beach (0.9 mi), Laem Thian (1.3 mi), Jansom Bay (1.9 mi).

Questions about Koh TaoQuestions

What time is sunset today in Koh Tao?

At 5:58 pm. There is light until the end of civil twilight, at 6:20 pm.

What time is sunrise tomorrow in Koh Tao?

At 6:11 am. First light comes at 5:24 am.

What phase is the moon today?

Waning gibbous, 87% illuminated. New moon on Mon, Nov 9 · 2:03 pm.

When are the next spring tides?

From November 10 to 12.

What are today's solunar periods?

Major 1:28–3:28 am, Minor 8:35–9:35 am, Major 2:00–4:00 pm, Minor 8:25–9:25 pm. Today's activity is medium.

What's the weather like today in Koh Tao?

Showers, from 81 °F to 84 °F, with a moderate breeze from the southeast (15 mph) and a 100% chance of rain.

How is the sea today in Koh Tao?

Slight (Douglas 3): 2.1 ft waves with a period of 3.5 s from the east. The water is 85.5 °F.

When is the best time to visit Koh Tao?

The best time to visit Koh Tao is in February: highs of 86 °F, about 5 rainy days a month and 8 hours of sunshine a day.

Can I use this data for navigation?

No. These are predictions for fishing and leisure; for navigation, use the official publications.

Where this data comes from

Sun and moon: our own calculation with astronomy-engine. Places: GeoNames (CC BY 4.0). Coastline: © OpenStreetMap contributors (ODbL).

Spotted a mistake? Tell us · How we calculate the tide

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Time Tides, sun and moon
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