Tropical cyclone winds of at least strong breeze to near gale in strength extend outward up to 370 km from the center of the typhoon. Destructive typhoon-force winds extend outward up to 90 km from the center of the typhoon.
In the next 24 hours, the northeasterly wind flow enhanced by the typhoon will also bring strong breeze to near gale conditions with higher gusts over the coastal and mountainous areas of Northern Luzon that are not under any Tropical Cyclone Wind Signal.
- In the next 24 hours, under the influence of Typhoon “BISING” and an enhanced northeasterly wind flow, the following sea conditions will be experienced over the coastal waters of the country:
Rough to high seas will be experienced over the northern and eastern seaboards of Northern Luzon and eastern seaboard of Central Luzon (2.5 to 7.0 m). Sea travel is risky for all types of seacrafts over these waters.
Signal no.1 up in Batanes, Cagayan as Bising slightly weakens
Rough to very rough seas over the western seaboard of Northern Luzon and the eastern seaboard of Southern Luzon (2.8 to 4.5 m). Sea travel is risky for small seacrafts over these waters. Mariners without the proper experience should immediately seek safe harbor.
Moderate to rough seas over the western seaboard of Central Luzon and the northern and eastern seaboards of Northern Samar (1.5 to 3.0 m). Mariners of small seacrafts are advised not to venture out over these waters. Inexperienced mariners of these vessels should avoid navigating in these conditions.
On the forecast track, Typhoon Bising will move generally northward or north northwestward until tonight or tomorrow (22 April) early morning, when the typhoon will be nearest to the landmass of Northern Luzon. Afterwards, the typhoon will move northeastward away from the landmass throughout tomorrow and east northeastward on Friday (23 April) and Saturday (24 April). The typhoon is forecast to exit the Philippine Area of Responsibility on Sunday (25 April) morning.
Bising is forecast to gradually weaken throughout the remainder of the forecast period. The typhoon will likely be downgraded to severe tropical storm category by Friday and tropical storm category by Saturday.