Marine Forecast
Illustrated map of Hanalei Bay, Kauai

Marine forecast

Oahu Windward, HI

current wind
4 kt ENE
Seas
5.6 ft
Period
14 sec
Air
81°F
72-hr peak
16 kt

Observed Tue 8:30 AM | PHZ114

Seas now
5.6 ft · 14 sec
Air
81°F
72-hr peak
16 kt
Peak seas
7 ft

In brief

At 8:30 am HST on Oct 13, 2026, NDBC station HRRH1 (Lono Circle, He'eia Reserve, HI, 17 miles away) measured wind from the ENE at 4 kt; buoy 51201 measured seas of 5.6 ft. The NWS forecast for Oahu Windward, HI issued at 3:22 am HST on Oct 13, 2026 reads, for today: “East winds to 15 knots. Seas to 6 feet.”

Source: National Weather Service Honolulu HI forecast; NDBC observations

Wind forecast · ktPeak 16 kt

0510152025Wed 14Thu 15Fri 160510152025Wed 14Thu 15Fri 16
Sustained GustOct 13-16 | HST

Seas forecast · ftPeak 7 ft

01234567Wed 14Thu 15Fri 1601234567Wed 14Thu 15Fri 16
Oct 13-16 | HST

NWS marine forecast

PeriodForecast
TodayEast winds to 15 knots. Seas to 6 feet. Wave Detail: East 4 feet at 6 seconds and north northwest 4 feet at 15 seconds. Isolated showers this morning.
TonightEast winds to 15 knots. Seas 5 to 6 feet. Wave Detail: North northwest 4 feet at 13 seconds and east 3 feet at 5 seconds.
WednesdayEast winds to 15 knots. Seas to 5 feet. Wave Detail: North northwest 4 feet at 13 seconds and east 3 feet at 4 seconds. Isolated showers in the afternoon.
Wednesday NightEast northeast winds to 15 knots. Seas to 5 feet. Wave Detail: North northwest 4 feet at 12 seconds and east 3 feet at 5 seconds. Isolated showers in the evening, then scattered showers after midnight.
ThursdayEast northeast winds to 15 knots, rising to 20 knots in the afternoon. Seas 5 to 6 feet. Wave Detail: East 5 feet at 6 seconds and north northwest 4 feet at 11 seconds. Scattered showers, mainly in the morning.
Thursday NightEast northeast winds to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 6 seconds and north northwest 4 feet at 11 seconds. Scattered showers.
FridayEast northeast winds 15 to 20 knots. Seas 8 to 9 feet. Wave Detail: East 7 feet at 7 seconds and north 6 feet at 12 seconds. Scattered showers.
SaturdayEast northeast winds to 20 knots. Seas 7 to 9 feet. Wave Detail: East 7 feet at 7 seconds and north 6 feet at 13 seconds. Scattered showers.

Issued Tue 3:22 AM by Honolulu HI (product CWFHFO).

Synopsis

Trades will be gentle to moderate through Wednesday. Surface high pressure is expected to build north of the state Thursday through this weekend and allow winds to become fresh to locally strong.

TimeWindGustSeasWater
Tue 8:30 AM 4 kt ENE — — —
Tue 7:45 AM 4 kt ENE — — —
Tue 6:45 AM 3 kt ENE — — —
Tue 5:45 AM 3 kt ENE — — —
Tue 4:45 AM 3 kt ENE — — —
Tue 3:45 AM 3 kt ENE — — —
Tue 2:45 AM 3 kt ENE — — —
Tue 1:45 AM 0 kt — — —
Tue 12:45 AM 0 kt — — —
Mon 11:45 PM 1 kt SSW — — —
Mon 10:45 PM 2 kt SW — — —
Mon 9:45 PM 0 kt — — —

Observed Tue 8:30 AM at NDBC buoy HRRH1 (Lono Circle, He'eia Reserve, HI), 17.0 miles away. Seas from buoy 51201 (Waimea Bay, HI (106)), 14.3 miles away, at Tue 8:56 AM.

What is the marine forecast for Oahu Windward today?

Today: East winds to 15 knots. Seas to 6 feet. Wave Detail: East 4 feet at 6 seconds and north northwest 4 feet at 15 seconds. Isolated showers this morning.

Is there a small craft advisory for Oahu Windward?

No advisories, warnings or watches are in effect for NWS zone PHZ114 as of the last update on this page. Advisories can be issued at any time; check the current bulletin before leaving the dock.

How high are the waves at Oahu Windward right now?

Seas are running 5.6 ft at a 14-second period, measured at NDBC buoy HRRH1 Tue 8:30 AM, 17.0 miles from this zone. The forecast peaks at 7.0 ft Fri 8 AM.

What do the wind speeds in knots mean?

One knot is 1.15 mph. The National Weather Service issues a small craft advisory for sustained winds of roughly 22–33 knots or hazardous seas, a gale warning at 34–47 knots, and a storm warning at 48 knots and above. Exact advisory thresholds vary by forecast office and by water body — a bay reaches dangerous chop at a lower wind speed than open ocean.

Where does this forecast come from?

The forecast text is the National Weather Service's own marine bulletin for zone PHZ114, issued by Honolulu HI, reproduced in full. The wind and seas charts are drawn from the NWS gridded forecast for a point inside the zone. Observations come from the nearest reporting NDBC buoy. We are not affiliated with NOAA or the National Weather Service.

Forecast: NOAA/NWS product CWFHFO, issued Tue 3:22 AM. Observations: NOAA National Data Buoy Center station HRRH1, read Tue 8:30 AM. Retrieved Oct 13, 9:42 AM. Conditions offshore change faster than any page can be rebuilt, so check the current NWS bulletin and your own instruments before going out.