PHZ100-220230-
331 AM HST Wed Oct 21 2026
.Synopsis for Hawaiian coastal waters...
High pressure north of Hawaii will weaken and shift east through
Thursday. Trade winds will ease to gentle strength as a low
passes to the north Thursday and Friday. Moderate to locally
strong northeast trades will return over the weekend as a new high
builds to the northwest and the low sinks southeast. By next
week, forecast confidence remains low regarding a new low pressure
system moving in from the southwest which could affect wind
speeds and direction.
$$
PHZ180-221545- Hawaiian Offshore Waters- 537 AM HST Wed Oct 21 2026 REST OF TONIGHT E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms E of 160W. THURSDAY AND THURSDAY NIGHT S of 20N, E winds 10 to 20 kt. N of 20N, winds 10 to 15 kt. Seas 6 to 7 ft. Isolated thunderstorms SE Waters. FRIDAY AND FRIDAY NIGHT NE winds 10 to 15 kt. Seas 6 to 7 ft. SATURDAY AND SUNDAY NE winds 10 to 20 kt, strongest W of 160W. Seas 6 to 7 ft. MONDAY E winds 10 to 20 kt. Seas 6 to 7 ft. $$
PHZ180-221545- Hawaiian Offshore Waters- 537 AM HST Wed Oct 21 2026 REST OF TONIGHT E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms E of 160W. THURSDAY AND THURSDAY NIGHT S of 20N, E winds 10 to 20 kt. N of 20N, winds 10 to 15 kt. Seas 6 to 7 ft. Isolated thunderstorms SE Waters. FRIDAY AND FRIDAY NIGHT NE winds 10 to 15 kt. Seas 6 to 7 ft. SATURDAY AND SUNDAY NE winds 10 to 20 kt, strongest W of 160W. Seas 6 to 7 ft. MONDAY E winds 10 to 20 kt. Seas 6 to 7 ft. $$