Ha Long Bay, Vietnam

Ha Long Bay

Quang Ninh, VietnamAsia/Ho_Chi_Minh

Ocean View Index

Next tide

18:00Low Tide

Sunrise / Sunset

22:49 – 11:14

Local time

00:06

Ha Long Bay, a UNESCO World Natural Heritage site, enchants visitors with its emerald waters dotted by over a thousand karst islets.

Verified data temporarily unavailable

This section will return when its verified data source is available. No estimated data is shown.

Verified data temporarily unavailable

This section will return when its verified data source is available. No estimated data is shown.

Weather Forecast

7-day marine weather forecast from Open-Meteo model.

TodaySep 8
Light Rain
32°26°
1.5 m/s
2.0mm
WedSep 9
Light Rain
32°24°
3.4 m/s
1.4mm
ThuSep 10
Thunderstorm
31°22°
4.1 m/s
8.4mm
FriSep 11
Light Rain
31°24°
3.3 m/s
0.3mm
SatSep 12
Overcast
32°24°
3.1 m/s
SunSep 13
Rain
32°24°
3.0 m/s
4.7mm
MonSep 14
Light Rain
32°25°
2.4 m/s
3.1mm
Visibility: 12 km·Cloud: 17%

48-Hour Hourly Forecast

Hour-by-hour marine weather for the next 48 hours.

Now29°1
01:0030°1
02:0031°10.1
03:0032°1
04:0032°2
05:0030°31.0
06:0032°30.3
07:0031°20.1
08:0031°20.1
09:0030°30.4
10:0030°2
11:0029°2
12:0029°2
13:0029°2
14:0028°2
15:0028°1
16:0028°1
17:0028°0
18:0027°0
19:0027°1
20:0026°1
21:0026°1
22:0026°1
23:0026°1
00:0029°1
01:0030°1
02:0031°2
03:0031°3
04:0032°4
05:0032°4
06:0032°4
07:0032°4
08:0031°3
09:0031°40.1
10:0030°3
11:0029°3
12:0029°3
13:0029°3
14:0028°3
15:0027°50.6
16:0025°50.2
17:0025°50.2
18:0025°40.1
19:0024°50.1
20:0025°4
21:0025°4
22:0025°3
23:0025°40.1

Verified data temporarily unavailable

This section will return when its verified data source is available. No estimated data is shown.

High & Low Tides Today

Times and heights of today's high and low water.

Spring TideCoefficient: 116.4 / 120Higher coefficient means larger tide range; 120 is the largest spring, 20 the smallest neap.
TimeTypeHeight
18:00Low-1.43 m

48-Hour OVI Trend

Hour-by-hour ocean viewing outlook for the next 48 hours, dampened by rainfall.

Today's Tide Summary

A quick look at the day's high and low water.

Low Tide
18:00
-1.43 m

Nearby Beaches

Other beaches closest to Ha Long Bay.

Frequently asked questions

What time is low tide at Ha Long Bay on September 9, 2026?
Low tides at Ha Long Bay on September 9, 2026: 01:00 (times shown in Asia/Ho_Chi_Minh).
What is the Ocean Viewing Index (OVI) for Ha Long Bay?
OVI is a 0-100 composite score combining sea color, water clarity, visibility, sea conditions, sunlight and water quality to help you decide if the sea is worth seeing today.

Essential Information

Coordinates
20.9101°, 107.1839°
Timezone
Asia/Ho_Chi_Minh
Region & Country
Quang Ninh, Vietnam
Data sources
Tides: UHSLC / FES2022b · Weather: NOAA GFS · Sea color: NASA MODIS/VIIRS