Staying Home Sucks, home
ISS012-E-12811 - View of Réunion
Les Trois Bassins, the nearest town, 10 km away. Photo: Earth Science and Remote Sensing Unit, Lyndon B. Johnson Space Center, Public domain, Wikimedia Commons

Hai Siang

Dive site · France

Experienced divers only

Is it worth the trip?

91Good out of 100 for your dates

Home sucks

5 days tie for best

Each day of your trip, out of 100

Mon 2 · 89 out of 100

Sea
0.7 m
Wind
7 kn
Gusts
11kn
Air
25°C

Tue 3 · 91 out of 100

Sea
0.6 m
Wind
1 kn
Gusts
5kn
Air
23°C

Wed 4 · 90 out of 100

Sea
0.6 m
Wind
6 kn
Gusts
8kn
Air
26°C

Thu 5 · 91 out of 100

Sea
0.5 m
Wind
1 kn
Gusts
6kn
Air
24°C

Fri 6 · 91 out of 100

Sea
0.6 m
Wind
2 kn
Gusts
7kn
Air
24°C

Sat 7 · 91 out of 100

Sea
0.6 m
Wind
2 kn
Gusts
8kn
Air
25°C

Sun 8 · 91 out of 100

Sea
0.5 m
Wind
1 kn
Gusts
10kn
Air
25°C

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

Forecast: next 10 days

Full forecast
  1. Sun 183, good
  2. Mon 289, good
  3. Tue 391, good
  4. Wed 490, good
  5. Thu 591, good
  6. Fri 691, good
  7. Sat 791, good
  8. Sun 891, good
  9. Mon 992, good
  10. Tue 1090, good

The site in five facts

  • Down to 54 mits deepest
  • From a boathow you get in
  • Experienced / deepexperienced divers only
  • Water 26 °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 experienced divers only, as a dive guide states it. Scored for experienced divers.

Sea and wind forecast and score for each day at Hai Siang
DayScoreSeaWindGustsAir
Sun 1Nov83, good0.8 m18 kn21kn26°C
Mon 2Nov89, good0.7 m7 kn11kn25°C
Tue 3Nov91, good0.6 m1 kn5kn23°C
Wed 4Nov90, good0.6 m6 kn8kn26°C
Thu 5Nov91, good0.5 m1 kn6kn24°C
Fri 6Nov91, good0.6 m2 kn7kn24°C
Sat 7Nov91, good0.6 m2 kn8kn25°C
Sun 8Nov91, good0.5 m1 kn10kn25°C
Mon 9Nov92, good0.4 m1 kn8kn24°C
Tue 10Nov90, good0.5 m4 kn19kn25°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

  • Sun 1 NovHigh 04:14 +0.1 mLow 08:45 +0.0 mHigh 14:28 +0.1 mLow 22:09 −0.2 m
  • Mon 2 NovHigh 06:02 +0.1 mLow 11:33 −0.0 mHigh 17:14 +0.1 mLow 23:52 −0.2 m
  • Tue 3 NovHigh 06:59 +0.2 mLow 12:57 −0.1 mHigh 18:42 +0.1 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.

Map

the site and its town

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

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.

More diving near here

5 places

About

the place in full, sources, credits

About Hai Siang

A wreck dive. It goes down to 54 m. You get in from a boat. It suits experienced divers only, 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. 5 dive centres or shops within 10 km, the nearest 1.1 km away. The sea is about 24°C in July, its coldest month (5 mm wetsuit), and 29°C in February, its warmest (rash vest or 1 to 2 mm). The town to stay in is Les Trois Bassins. Within 5 km we also list 12 surf spots, 1 wind sports spot and 5 dive sites.

  • What it is Wreck.
  • How deep Down to 54 m: technical diving, past the 40 m recreational limit.
  • Getting in From a boat.
  • Who it suits Suits experienced divers only, as a dive guide states it.
  • Dive centres 5 dive centres or shops within 10 km, the nearest 1.1 km away.

Water about 26°C: 3 mm wetsuit. Typical sea temperature for the time of year, not a forecast.

Visibility over 30 m. Typical for the time of year, estimated from ten years of NASA satellite water clarity, not a forecast. Clearest in Feb, Mar, May and Dec (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$1,660–US$3,220 each

about US$1,660–US$3,220 each · 6 nights, 2 sharing: flights, taxi, stay, 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 30 October 2026.

How we worked it out 
Rough cost per person for this trip
WhatHow we worked it outEach
Flightsreturn ORD to RUN, estimated from distance and season, changing at CDG, full-service airlines, with a hold bagabout US$978–US$2,030
Taxiairport and back, sharedabout US$87–US$141
Stay6 nights, a mid-range double, sharedabout US$281–US$469
Food7 days eating outabout US$315–US$583
Totalabout US$1,660–US$3,220

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: Les Trois Bassins

Closest

Les Trois Bassins

18 min by car · 3 places to stay

See 3 places to stay in Les Trois Bassins · Booking.com

About Les Trois Bassins its beds, food and every spot near it

Drives are estimates. Prices are about, in US Dollar (USD): our pound figures at the European Central Bank's rate of 30 October 2026.

Getting there: about 29h 20m

About 29h 20m door to door from Chicago

Fly ORD → RUN, changing at Charles de Gaulle International Airport (CDG), then 1h by road

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

In the water

Dive centres nearby

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

Too few open records near this site to list its animals. Ask a dive centre what you are likely to see.

This week: visibility over 30 m, about usual for the month (satellite plankton reading, 24 Oct). Estimated from the month's typical visibility and this week's satellite chlorophyll against the site's normal; heavy rain before a dive can still muddy it.

The current and the life no free forecast gives. Ask a dive centre before you book.