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綠島碼頭 Green Island Piers - panoramio
Near 石朗潛水區. Photo: lienyuan lee, CC BY 3.0, Wikimedia Commons

石朗潛水區

Dive site · Taiwan

Dive

SportChanges the scores

Tue 3 Nov – Mon 9 Nov

WhenChanges the scores

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Open Water divers and up

Scored for Advanced divers

75Good

Home sucks

Best on Thu 5: Sea 0.8 m, Visibility about 20 m, Water 27 °C

Tue 3 · 73 out of 100

Sea
1.1 m
Wind
14 kn
Gusts
20kn
Air
26°C

Wed 4 · 81 out of 100

Sea
0.8 m
Wind
7 kn
Gusts
10kn
Air
27°C

Thu 5 · 83 out of 100

Sea
0.8 m
Wind
1 kn
Gusts
5kn
Air
27°C

Fri 6 · 79 out of 100

Sea
0.9 m
Wind
10 kn
Gusts
13kn
Air
27°C

Sat 7 · 61 out of 100

Sea
1.2 m
Wind
20 kn
Gusts
27knboats in
Air
26°C

Sun 8 · 54 out of 100

Sea
1.2 m
Wind
16 kn
Gusts
22kn
Air
27°C

Mon 9 · 68 out of 100

Sea
1.1 m
Wind
16 kn
Gusts
26kn
Air
26°C

Tap a day for sea, wind and water. Full forecast

Forecast: next 10 days

Full forecast
  1. Mon 282
  2. Tue 373
  3. Wed 481
  4. Thu 583
  5. Fri 679
  6. Sat 761
  7. Sun 854
  8. Mon 968
  9. Tue 1023
  10. Wed 119

The site in three facts

  • Open Waterand up
  • Water 27 °C3 mm wetsuit
  • Faces Wswell from there reaches it

Full forecast

every day, every number

The score doesn't know currents, the visibility on the day or your certification.

Suits Open Water divers and up, as a dive guide states it. Scored for Advanced divers.

DayScoreSeaWindGustsAir
Mon 2Nov820.8 m4 kn8kn28°C
Tue 3Nov731.1 m14 kn20kn26°C
Wed 4Nov810.8 m7 kn10kn27°C
Thu 5Nov830.8 m1 kn5kn27°C
Fri 6Nov790.9 m10 kn13kn27°C
Sat 7Nov611.2 m20 kn27knboats in26°C
Sun 8Nov541.2 m16 kn22kn27°C
Mon 9Nov681.1 m16 kn26kn26°C
Tue 10Nov231.3 m28 kn38knboats in25°C
Wed 11Nov91.3 m29 kn41knboats in24°C

Sea is the waves near the site, in metres; wind and gusts in knots. "Boats in": gusts that keep dive boats in. More

Tide

  • Mon 2 NovLow 05:46 −0.5 mHigh 12:43 +0.2 mLow 17:46 −0.1 m
  • Tue 3 NovHigh 00:03 +0.5 mLow 07:09 −0.5 mHigh 13:56 +0.3 mLow 19:31 −0.2 m
  • Wed 4 NovHigh 01:45 +0.5 mLow 08:20 −0.5 mHigh 14:49 +0.4 mLow 20:46 −0.3 m

Local clock times; heights about mean sea level. On open coasts the times are usually within a quarter of an hour; in bays, estuaries and on the Gulf of Mexico they can be an hour or more out. Slack water, the safest time to dive where there is current, is about half an hour either side of each high and low. Tide: EOT20 global ocean tide model, Hart-Davis et al. 2021, DGFI-TUM (doi:10.17882/79489), CC BY 4.0. Times and heights computed by us. A model, not a tide table: check a local table before you go.

Forecast updated . It refreshes every three hours. Forecast data: ECMWF, DWD, Météo-France and NOAA, served by Open-Meteo.com (CC BY 4.0). Changed by us. Generated using E.U. Copernicus Marine Service Information.

Best time to go

No month stands out

Good diving days in a typical week, each month, for Advanced divers, from 2016 on (ERA5 history scored the same way).

  1. Jan5of 7
  2. Feb6of 7
  3. Mar6of 7
  4. Apr7of 7
  5. May7of 7
  6. Jun7of 7
  7. Jul7of 7
  8. Aug7of 7
  9. Sep7of 7
  10. Oct5of 7
  11. Nov5of 7
  12. Dec4of 7

Tap a month to see this spot for a trip then.

Typical, not a forecast: the sea and the mean wind of each day, with no gusts or rain in the history.

Map

the site and its town

石朗潛水區 on Google Maps · Directions

Each place wears its best day on these dates: green good, amber fair, pale red poor, as the key says.

Dive site

The map needs JavaScript. Every place on it is listed on this page, and each place's page links to Google Maps.

One finger scrolls the page; two fingers move the map. Pins are our own positions. Map OpenFreeMap, © OpenMapTiles, data © OpenStreetMap contributors.

About

the place in full, sources, credits

About 石朗潛水區

It suits Open Water divers and up, as a dive guide states it. The coast faces W: swell from the W reaches it, and wind from the E blows out to sea. 2 dive centres or shops within 10 km, the nearest 0.1 km away. The sea is about 25°C in January, its coldest month (3 mm wetsuit), and 29°C in June, its warmest (rash vest or 1 to 2 mm). No town nearby. Nearest place to stay we found: 綠島晴風潛水旅宿, 綠島鄉, 0 km. Nearest beds: Taitung, 36 km. Nearest airport: Lanyu Airport (KYD), 70 km. Within 5 km we also list 3 dive sites.

  • What it is No source states what kind of site it is.
  • How deep No source states how deep it goes.
  • Who it suits Suits Open Water divers and up, as a dive guide states it.
  • Dive centres 2 dive centres or shops within 10 km, the nearest 0.1 km away.

Water about 27°C: 3 mm wetsuit. Typical sea temperature for the time of year, not a forecast.

Visibility about 20 m. Typical for the time of year, estimated from ten years of NASA satellite water clarity, not a forecast. Clearest in Apr, Jun, Jul, Aug and Sep (over 30 m).

The score is the conditions only: the journey, the price and the partners never change it (how we score, how we earn).

Rough cost (estimate): about US$1,100–US$2,210 each

about US$1,100–US$2,210 each · 6 nights, 2 sharing: flights, hire car, food.

Our estimate from typical public prices, not a quote: check the real prices before you book (where they come from). Prices are about, in US Dollar (USD): our pound figures at the European Central Bank's rate of 2 November 2026.

How we worked it out 
WhatHow we worked it outEach
Flightsreturn ORD to KHH, estimated from distance and season, changing at HKG, full-service airlines, with a hold bagabout US$778–US$1,620
Hire car6 days, sharedabout US$101–US$174
Food7 days eating outabout US$221–US$416
Totalabout US$1,100–US$2,210

No town nearby, so no stay is in it. Guided dives are not priced yet: we have no sourced price, so it is not in it. Prices from public sources, checked in 2026.

Where to stay: nearest beds 36 km away

Ad Links marked Ad may pay us if you book. You pay the same, and they never change a score. How we earn

No town nearby

Nearest place to stay we found: 綠島晴風潛水旅宿, 綠島鄉, 0 km. Nearest beds: Taitung, 36 km. Nearest airport: Lanyu Airport (KYD), 70 km.

See places to stay near Taitung, 36 km away · Booking.com

Distances are straight lines: a site out at sea is reached by boat.

Getting there: about 26h 55m

About 26h 55m door to door from Chicago

Fly ORD → KHH, changing at Hong Kong International Airport (HKG), then 2h 20m by road

Flights ORD → KHH on your dates · AviasalesAdeSIM for your phone · Search on AiraloAd

An estimate, one way; the journey never changes the score.

In the water

Dives and courses in 石朗潛水區 · GetYourGuideDive gear hire in 石朗潛水區 · GetYourGuide

Dive centres nearby

  • 綠島9Bar潛水中心 0.1 km

  • 海邑潛水 1.2 km

The nearest named dive centres and shops within 25 km, in a straight line; training agencies where the map states them. Listings, not a recommendation. Dive centres: © OpenStreetMap contributors (ODbL). Credits

What you might see

Animals divers and surveys have recorded within 2 km of this site in the last 15 years. A record says someone saw it here, not that you will.

  • Green sea turtle Chelonia mydasSea turtle

    Seen in 118 records.

  • Hawksbill sea turtle Eretmochelys imbricataSea turtle

    Seen in 6 records.

  • Warty wart slug Phyllidiella pustulosaNudibranch

    Seen in 5 records.

  • Chromodoris willaniNudibranch

    Seen in 4 records.

  • Chromodoris magnificaNudibranch

    Seen in 3 records.

  • Variable wart slug Phyllidia varicosaNudibranch

    Seen in 3 records.

  • Apple crab Metasesarma aubryi

    Seen in 954 records, mostly Jun to Sep.

Records: OBIS (Ocean Biodiversity Information System, IOC-UNESCO) and GBIF.org (1 November 2026, doi:10.15468/dl.jeesns), from the datasets named here, CC0 and CC BY records only. Names: WoRMS and GBIF; common names from the Catalogue of Life, the GBIF Backbone and Wikidata. Largest datasets here: The Taiwan Roadkill Observation Network Data Set.; Sea turtle sightings in Taiwan | 台灣海龜目擊紀錄; iNaturalist Research-grade Observations; A photographically-vouchered global citizen science dataset of sea slugs (Mollusca: Heterobranchia) from the SEASLUG.WORLD platform since 2015; Overview of the genus Sympodium Ehrenberg, 1834 (Octocorallia, Alcyonacea, Xeniidae), with the description of new species, revealing regional endemism. Credits

This week's visibility and the current no free forecast gives. Ask a dive centre before you book.

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