Mui Ne, Southeast Vietnam tide times

Mui Ne is a 15 km beach peninsula in Bình Thuận province, northeast of Phan Thiết city. The peninsula narrows to a point facing northeast into the South China Sea. From November through April the northeast trade winds drive in at 20–35 knots, consistently, over a long open-water fetch — it is the reason Mui Ne became the kitesurfing and windsurfing capital of Southeast Asia, and the reason the beach faces a relentless shoreward drift during those months.

The tidal regime here is more strongly diurnal than at central Vietnamese sites. At Mui Ne's latitude the South China Sea dynamics tip toward one dominant high and one dominant low per day, with the secondary tide often barely perceptible. Mean range is 0.8–1.5 m at spring water, with the single daily low typically occurring in the early morning and the high in the early to mid-afternoon during the northeast monsoon months. This single-cycle rhythm simplifies planning: you can reliably expect the low-water exposure in the morning and the high-water peak in the afternoon.

At low water the beach at the fishing village end of the strip — Làng chài Mũi Né, at the southern end near Phan Thiết — widens by 30–50 m and the shallows flatten out. The basket boats (thúng chai) used as tenders to the larger offshore fishing vessels sit on wet sand at low water, waiting for the tide to lift them. The fleet launches in the early morning flood — typically 0500–0700 — when the incoming tide floats the basket boats and the larger vessels can navigate the shallow water inside the beach break. Watching the fleet launch in pre-dawn light, with the basket boats spinning in the small shore chop, is one of the more visually striking things available at Mui Ne for a photographer willing to be up before sunrise.

For kitesurfers and windsurfers, the tide interacts with the wind and wave conditions in a specific way. At low water, the beach profile steepens slightly as water retreats and the wave sets break closer to shore — riders launching or landing from the beach have less run-up room. At high water the launch zone widens and the wave pattern softens slightly inshore. The wind is the primary variable, not the tide, but instructors at the kite schools along the strip time beginner lessons for the high-water launch windows to give students more room. Intermediate and advanced riders use the low-water bar break at the northern end of the strip for jump practice.

The red sand dunes (Đồi Cát Đỏ) rise 40 m directly behind the beach at the northeastern tip of the peninsula. The dune face is steep — 30–35 degrees — and the red-orange colour comes from iron-oxide-stained quartz. Sand-sledging on plastic boards is the main visitor activity. The dunes are entirely unaffected by sea tide — they are inland geology — but the best light for photography falls in the early morning when the sun is low and the iron-oxide colour saturates. Arrive by 0630 for the best light; by 0900 the overhead sun flattens the colour.

The white sand dunes and Bàu Trắng lake (Đồi Cát Trắng) are 15 km further northeast from the red dunes, surrounded by a landscape of casuarina trees and a freshwater lake that persists year-round from groundwater. The white dunes are quieter than the red. The lake level fluctuates seasonally with rainfall, not with sea tide.

Fairy Stream (Suối Tiên) cuts through a 1.5 km sandstone canyon of red and white layered rock at the southern edge of the beach strip, accessible on foot by wading ankle-deep in the stream. The water is 10–15 cm deep year-round — cool, clear, and groundwater-fed. It is entirely unaffected by sea tide. The sandstone walls show stratified bands of red, white, and cream. Go in the morning to walk into the stream: the light enters the canyon from the east and the colours are better. The round trip takes 45 minutes at an unhurried pace.

For beach families, the northeastern monsoon window (November–April) brings the wind that powers the kite scene but also creates a significant shoreward current and rougher water. Families with young children are better served at the calm, protected southern end of the strip near the fishing village, particularly in the morning before the daily thermal wind picks up, and around low water when the flats are exposed and safe for paddling.

Tide data for Mui Ne, Southeast Vietnam comes from the Open-Meteo Marine API, a gridded model product. Timing accuracy is ±45 minutes, height accuracy ±0.3 m — usable for trip planning, not for navigation.