Northwest Palawan

Robert Chang

During the Northeast monsoon, winds are generally below 20 knots but may occasionally exceed 30 knots in the first half of the Northeast monsoon (Oct - Dec). Waves are generally below 2.5m but can occasionally exceed 4.5m during this period. The lowest waves occur during the Spring transition (April) when waves are usually below 1.5m.

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Offshore Vietnam and Thailand

Robert Chang

The East Coast of Vietnam

Light to moderate (< 15 knots) winds cover the area for much of the year except during the height of the Northeast and Southwest Monsoons. During the Northeast Monsoon, wind speeds increase to mostly fresh-strong (17-27 knots) from November to January. Occasional strong surges in the Northeast Monsoon can cause wind speeds to increase to gale-strong gale (35-45 knots) lasting for up to a few days. The Southwest Monsoon over the area is somewhat weaker than the Northeast Monsoon with mostly fresh (17-21 knots) winds from July to August, increasing to strong-near gale (25-33 knots) at times.

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The South China Sea

Robert Chang

The weather in the South China Sea region is characterized by two monsoons: the Northeast and Southwest monsoons, so called because the predominant wind direction is from the northeast and the southwest respectively.

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