The latest update to this website was Sunday at 855am (HST)

Air Temperatures – The following high temperatures (F) were recorded across the state of Hawaii Saturday…along with these low temperatures Sunday morning

7766  Lihue AP, Kauai
8269  Honolulu AP, Oahu
79 – 65  Molokai AP, Molokai
82 – 62  Kahului AP, Maui 
8370  Kona AP, Hawaii
79 – 66  Hilo AP, Hawaii 

Here are the latest 24-hour precipitation totals (inches) for each of the islands as of Sunday morning:

0.37  Mount Waialeale, Kauai
1.19  Moanalua RG, Oahu

0.04  Puu Alii, Molokai
0.00  Lanai
0.45  West Wailuaiki, Maui
0.35  Honolii Stream, Big Island

The following numbers represent the strongest wind gusts (mph) as of Sunday morning:

18  Port Allen, Kauai
32  Kuaokala, Oahu
17  Makapulapai, Molokai
25  Lanai 1, Lanai
23  Maalaea Bay, Maui
27  Kealakomo, Big Island

Hawaii’s MountainsHere’s a link to the live webcam on the summit of our tallest mountain Mauna Kea (~13,800 feet high) on the Big Island of Hawaii. Here’s the webcam for the (~10,023 feet high) Haleakala Crater on Maui. These webcams are available during the daylight hours here in the islands, and at night whenever there’s a big moon shining down. Also, at night you will be able to see the stars, and the sunrise and sunset too…depending upon weather conditions.



Big Blue…click twice for largest version



A cold front is northwest of Hawaii
(click for larger version)



Low clouds are arriving on the trades wind flow…deeper clouds arriving from the southwest



Variable cloudiness across the state



Showers locally



Kauai and Oahu (Satellite)



Kauai and Oahu (Radar)



Oahu and Maui County (Satellite)



Oahu and Maui County (Radar)



 Maui, Kahoolawe, Lanai, and the Big Island (Satellite)



Maui County and the Big Island (Radar)



Big Island (Radar)


Model showing precipitation through 8-days (you can slow this animation down)



Please open this link to see details on any current Watches, Warnings and Advisories noted above





~~~ Hawaii Weather Narrative ~~~


Glenn’s Sunday comments: I’m home here in upper Kula, Maui, Hawaii

Good day everyone, I hope you have a great Sunday wherever you happen to be spending it.

514am, it’s partly to mostly cloudy at my place in Kula, with calm winds…and a low temperature of 48 degrees.

834am, there’s a predominance of high icy cirrus clouds over much of the state this morning, with a lack of lower level clouds, at least at the time of this writing.


Hawaii’s Broad Brush Weather Overview:  A low level trough moving into the Hawaiian Islands from the east will combine forces with a developing upper low over the area, and produce wet weather conditions across the state lasting into the middle of the week.

The highest rainfall coverage will favor windward and mountain areas. Trade winds will continue to blow in the moderate to locally windy range into the new week. A new high is forecast to build north of the islands on Tuesday, increasing trade wind speeds up to the locally windy range.

Hawaii’s Weather Details:  Satellite imagery continues to show a rather interesting weather pattern developing over the next few days that will bring wet weather to all Hawaiian Islands lasting into the middle of this week. First, a low level trough moves into the islands from the east. This low level trough will combine forces with a deepening upper level trough and a subtropical jet stream shown over the Hawaii region.

Local radar imagery shows shower activity picking up along all windward slopes, as the low level trough slowly moves into the islands. The upper air balloon sounding from Hilo shows a more unstable atmosphere with temperature inversion heights rising to around 10,000 feet above sea level. A very wet weather trend indeed.

This complex weather pattern with both low level and upper level forcing may bring several inches of rainfall to the windward slopes of Maui and the Big Island this evening through early Tuesday morning. Windward and mountain slopes of all islands will also see enhanced rainfall totals during this wet weather time period, with higher rainfall coverage favoring the overnight hours. Isolated thunderstorms are also a good possibility as this trough moves slowly from east to west through the island chain.

Weather model forecasts are continuing to show the highest rainfall totals falling along the eastern slopes of the Big Island from the North Kohala area, down along the Hamakua Coast, into the Hilo and Puna Districts. Rainfall activity will continue to trend higher for the Big Island through the day, with more consistently heavier showers expected by this evening. Look for storm total amounts in the 4 to 8 inch range for these eastern Big Island slopes. A Flood Watch for the Big Island was issued this morning to cover this increasing flood threat.

Trade winds will continue to blow at moderate to locally windy levels through much of the upcoming week. A high pressure system currently northeast of Hawaii will slowly drift towards the southeast, and a cold front passing north of the island chain produces a slight weakening in the trade wind speeds today. Trade wind speeds pick up to breezy levels by Monday, then increasing to locally windy levels from Tuesday through Thursday, as yet another high center will build in north of the state.

There’s no end in sight to this trade wind weather with passing showers forecast from the middle to end of the week. Most of the shower activity will favor windward and mountain areas during the overnight to early morning hours.

Here’s a near real-time Wind Profile of the Pacific Ocean – along with a Closer View of the islands / Here’s the latest Weather Map

Marine Environmental Details:  Generally moderate trade winds, locally strong over those waters surrounding Maui County and south of Big Island, continue across the nearshore waters. There has been a subtle decrease in overall wind speeds as high pressure centered northeast of Oahu settles more southeast. The high will still maintain a tight enough pressure gradient across the coastal waters to warrant a Small Craft Advisory (SCA) for those windier Maui County and Big Island marine waters.

A slight boost in wind speeds around Kauai, along with an incoming northwest swell that will pick combined seas up, the SCA has been expanded to include the Kauai waters including the Kauai Channel…then windward Oahu and Maui waters including the Kaiwi Channel thereafter.

More area wide fresh trades will return by Tuesday morning as a new high fills into the wake of the aforementioned southeastern-exiting high. An approaching upper level trough west, with a jet stream ahead of it, in the vicinity of the eastern waters tonight through Monday morning, will increase the thunderstorm threat across Big Island’s windward coastal waters.

A moderate size north (010 degree) swell moving through the islands is forecast to peak. North-facing harbors, particularly Kahului and Hilo Harbors, may experience minor surges from this incoming north swell. A similar size moderate northwest (310 degree) swell will be arriving in Kauai’s nearshore waters and reach Maui during the early afternoon hours. This swell will likely increase north and west-facing shore surf heights to near High Surf Advisory levels at its peak tonight into early Monday.

Choppy, moderate trade wind swell may slightly decline, before rebuilding early this week and maintaining a rough chop along east-facing shores for several days. No significant south swell expected this week, resulting in very small south-facing shore surf.


Top 10 Locations on Kauai for Nature Photography



World-wide Tropical Cyclone Activity


Atlantic Ocean: There are no active tropical cyclones

Caribbean Sea: There are no active tropical cyclones

Gulf of Mexico:  There are no active tropical cyclones

Northeastern Pacific: There are no active tropical cyclones

Here’s the link to the National Hurricane Center (NHC)

North Central Pacific:  There are no active tropical cyclones

Here’s the link to the Central Pacific Hurricane Center (CPHC)

Northwest Pacific Ocean:  There are no active tropical cyclones

Southwest Pacific Ocean: There are no active tropical cyclones

North and South Indian Oceans: There are no active tropical cyclones

Arabian Sea:  There are no active tropical cyclones

Here’s a link to the Joint Typhoon Warning Center (JTWC)

>>> Here’s a link to the Pacific Disaster Center’s (PDC Global) Weather Wall website


Interesting:  New Innovative Tool Will Help Local Communities Adapt to Climate Change

An innovative tool that gives individuals and teams the best available evidence in making decisions and identifying actions required to adapt to a changing climate launches today.

As the world warms, increased temperatures and extreme weather events have severe implications for services ranging from emergency services to highways maintenance and social care. Climate science is complex and hard to navigate and it can be difficult to understand implications for specific fields and how best to avoid the worst impacts. The new tool makes the latest climate science accessible to decision makers in these fields and more, allowing them to plan for the future to provide the best services possible in a changing landscape.

The Local Climate Adaptation Tool (LCAT) has been developed by a team from the University of Exeter and Cornwall Council, with input from more than 50 other local authority areas across the UK. Decision-makers involved in the development include councils, health and emergency services. LCAT has been designed to help local organizations increase their adaptation response to local climate change, something a recent government report describes as having ‘failed to keep pace with the worsening reality of climate risk.’

Read more at: University of Exeter