Kawaihae

NOAA CO-OPS station 1617433

Observed , 11 minutes ago

Hazardous

Small Craft Advisory in effect. Light W winds at 4 kn gusting to 6 kn, easing. Water 84°F, air 86°F. Rest of Today: East Northeast Winds 20 To 25 Knots.

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Small Craft Advisory

Small Craft Advisory issued September 23 at 11:03AM HST until September 25 at 6:00AM HST by NWS Honolulu HI

* WHAT...For the Small Craft Advisory, northeast winds 15 to 30 kt with gusts up to 40 kt and seas 9 to 14 feet. For the Hurricane Watch, east winds 30 to 50 kt with gusts up to 65 kt and seas 12 to 17 feet. * WHERE...Alenuihaha Channel, Big Island Leeward Waters and Big Island Southeast Waters. * WHEN...For the Small Craft Advisory, until 6 AM HST Friday. For the Hurricane Watch, starting 6 am HST Friday. * IMPACTS...Extremely strong winds will cause hazardous seas which will likely capsize or damage vessels and severely reduce visibility.

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Wind

Speed

3.9kn

Gust

6kn

Direction

265° W

Trend

Easing

Last 12 hours0.2 to 13 kn

Water Level

2.6ft

Datum

MLLW

Last 12 hours0.7 to 2.6 ft

Air temp

86°F

80 to 86°F today

Water temp

84°F

83 to 84°F today

Pressure

1009mbar

Tendency

Easing

3 hour change

-2.7 mbar

Last 12 hours1009 to 1013 mbar

Zone forecast

Rest of Today

East Northeast Winds 20 To 25 Knots. Seas 4 To 6 Feet. Wave Detail: Northeast 5 Feet At 6 Seconds. Isolated Showers Late This Morning, Then Numerous Heavy Showers With Isolated Thunderstorms This Afternoon.

Tonight

East Winds 20 To 25 Knots. Seas 4 To 6 Feet. Wave Detail: East Northeast 5 Feet At 6 Seconds. Numerous Heavy Showers With Isolated Thunderstorms.

Thursday

East Northeast Winds 20 To 25 Knots. Seas 5 To 8 Feet. Wave Detail: East Northeast 6 Feet At 7 Seconds And South 3 Feet At 11 Seconds. Heavy Showers With Isolated Thunderstorms.

Synopsis

Surface high pressure far north of the state will maintain moderate to locally strong trades through the period.

NWS zone Big Island Leeward Waters

Last 24 hours

Time WindWater Level
3.9 kn W2.6 ft
8.8 kn WSW1.7 ft
5.3 kn WNW0.7 ft
1.8 kn N1.2 ft
1.8 kn N1.7 ft

Every 3 hours, over the last 12 hours. Air 80 to 86°F, water 83 to 84°F, pressure 1,009 to 1,013 mbar over the same window.

Common questions

Can I be notified when conditions change at station 1617433?

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Does this page show NOAA warnings for this area?

Watches, warnings, and advisories for Big Island Leeward Waters appear alongside the conditions, here and in the app. Pro also pushes NOAA watches, warnings, and advisories when they are issued.

Can I see the forecast against what station 1617433 measured?

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Station 1617433
20°02'13" N 155°49'44" W

Measured by 400+ NOAA CO-OPS stations. Observations from the Center for Operational Oceanographic Products and Services, forecasts and advisories from the National Weather Service. Not for navigation.