The latest update to this website was at 845pm Wednesday (HST)

 

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

0.42  Mount Waialeale, Kauai
0.14  Waiawa, Oahu
0.04  Honolimaloo, Molokai
0.00  Lanai
0.16  West Wailuaiki, Maui
0.24  Pahoa, Big Island

The following numbers represent the strongest wind gusts (mph) as of Wednesday evening:

18  Port Allen, Kauai
27  Oahu Forest NWR, Oahu
27  Makapulapai, Molokai
25  Lanai 1, Lanai
31  Na Kula, Maui
30  Puuloa, Big Island

Hawaii’s Mountains – Here’s a link to the live webcams on the summit of our tallest mountain Mauna Kea (~13,800 feet high) on the Big Island of Hawaii, and atop the Haleakala Crater (~10,023 feet) 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.

 

https://weather.gc.ca/data/satellite/goes_gwdisk11_1070_100.jpg

Big Blue…click twice for largest version

https://cdn.star.nesdis.noaa.gov/GOES18/ABI/SECTOR/tpw/13/GOES18-TPW-13-900x540.gif

Thunderstorms in the vicinity…cold fronts far northwest 

 

https://www.weather.gov/images/hfo/satellite/Hawaii_IR_loop.gif

High and middle level clouds in the vicinity of the state…along with developing cumulus clouds and thunderstorms

 

 

https://radar.weather.gov/ridge/standard/HAWAII_loop.gif

https://radar.weather.gov/ridge/standard/PHKI_loop.gif

https://radar.weather.gov/ridge/standard/PHKM_loop.gif

Showers locally…some are heavy 

 

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

 

~~~ Hawaii Weather Narrative ~~~

 

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

It’s mostly clear here in Maui County early this morning with a few clouds. The low temperature at my place was 52.5 degrees…with a relative humidity of 80%.

1116am, it’s become partly cloudy, with a mix of low and higher level clouds here in Maui County.

1146am, I know that at least some of you keep looking up at the sky and wondering where’s all this rain that suppose to be coming our way. Well, I’m kinda doing the same thing, although I’m trying to be patient, as it’s still early.  I’ll keep my eyes out for dark clouds and even some thunder at times through Friday…you betcha.

448pm, partly cloudy although with no rain that I can see from here in Kula…now we’re waiting until early Thursday morning for some precipitation activity.

630pm, what a wonderful salmon colored sunset…and even quite a while later it’s still pink in places! The temperature here at my place is 63.8 degrees with a relative humidity of 75%

825pm, the atmosphere over and around the islands is quickly becoming more unsettled and shower prone. I expect some of these showers will turn heavy with even the chance of a thunderstorm here or there.

Weather Wit of the day: Air Pollution Emergency – When you go outside and get a bite of fresh air

>>> Highest Temperature Wednesday, October 15, 2025 – 96 at Rio Grande Village, Texas
>>> Lowest Temperature Wednesday, October 15, 2025 – 17 near Augusta, Montana

 

Hawaii’s Broad Brush Weather Overview: A wet trade wind pattern begins developing early Thursday morning and matures this weekend into next week. Thunderstorms will be possible at times, particularly at night, during this stretch.

Hawaii’s Weather Details: A low positioned NE is slowly advancing southwestward toward the western half of the island chain, where it will reside through at least the first half of the weekend. Beneath the low itself, over the open ocean, visible imagery indicates that showers are not particularly widespread but are topping out around 15,000 feet to go along with a few thunderstorms.

This environment will spread over the islands late tonight into early Thursday, particularly over Oahu and Kauai, where the mid-level low is modeled to reside by Thursday morning. The first wave of deeper moisture will reach the islands during this time, bringing an increase in shower coverage and intensity. Low stability and breezy trades suggest a high likelihood of showers penetrating leeward over Oahu.

Isolated thunderstorms will also be possible, particularly where low-level convergence is maximized within island plumes over the waters west of the islands. Thunder cannot be ruled out elsewhere, but is comparably less likely over the islands themselves. The exception may be the Big Island this weekend, where potential for afternoon thunderstorms will be worth monitoring.

All told, expect a transition to a wetter trade wind pattern with embedded heavy showers and isolated thunderstorms beginning early Thursday morning. Breezy trade winds will favor progressive, fast-moving showers that will not be prone to causing flooding issues. Renewed upper low development early next week sets the stage for a continued wet trade wind pattern through much of next week.

Fire weather:  Wind speeds and afternoon minimum humidity levels will likely remain below critical fire weather thresholds this week. Unstable conditions will produce increasing wet weather trends across the state into Saturday. Locally heavy rain and thunderstorms are possible during this time period. Temperature inversion heights near Maui and the Big Island will range from the 7,000 to 8,000 feet elevation range for the time being.

Here’s a near real-time Wind Profile of the Pacific Ocean – along with a Closer View of the islands / Vog map animation / 8-Day Precipitation model

https://www.weather.gov/images/hfo/graphics/npac.gif 

 

Hawaii’s Marine Environment: Moderate to fresh trade winds are expected as a weak surface trough over the western end of the state advances west and dissipates. A Small Craft Advisory (SCA) for winds around Maui County and the Big Island remains in effect until 6am Thursday. An approaching upper low brings a chance for thunderstorms to area waters from Thursday into the weekend.

A moderate to long period northwest (310-320) swell that peaked Tuesday will slowly decline through the rest of the week into the weekend.

Small, medium period south swell continues through the week, with minor longer period pulses arriving today and Saturday. East shores remain small through the near term, but will see increasing short period action as trades strengthen.

 



World-wide Tropical Cyclone Activity

 

Atlantic Ocean:  

Remnants of Tropical Cyclone Lorenzo is located about 1300 miles west-northwest of the Cabo Verde Islands – Last Advisory

LORENZO DISSIPATES

According to the NHC advisory number 11

The remnants are moving toward the northeast near 18 mph and this motion is expected to continue with a faster forward speed for the next day or so. Maximum sustained winds are near 35 mph with higher gusts. The estimated minimum central pressure is 1006 mb (29.71 inches).

cone graphic

Caribbean Sea:  There are no active tropical cyclone

Tropical cyclone formation is not expected during the next 7-days.

Gulf of America:  There are no active tropical cyclone

Tropical cyclone formation is not expected during the next 7-days.

 

Northeastern Pacific: 

South of Southern Mexico:

Invest 91E

>>> A broad area of low pressure is producing some disorganized showers and thunderstorms offshore of southern Mexico and portions of Central America. Environmental conditions appear conducive for gradual development of this disturbance, and a tropical depression could form late this week or over the weekend. The system is expected to move little during the next couple of days, but a slow northwestward motion near the coast of southern and southwestern Mexico is expected by the weekend.

* Formation chance through 48 hours…medium…40 percent
* Formation chance through 7 days…medium…60 percent

 

North Central Pacific: There are no active tropical cyclone

Tropical cyclone formation is not expected during the next 7 days.

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 Ocean:  There are no active tropical cyclones

South Indian Ocean: 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:  A New Approach to Cutting Marine Plastic Pollution

Every year, many millions of tons of plastic end up in the ocean. It’s a serious and rapidly increasing environmental problem.

NTNU researchers are now looking for a solution that can address this nightmare at its root.

“The solutions we have today mostly concern cleanup after we’re done with the plastic. We sort, we recycle and we pick up plastic on the shore. But what about approaches that completely change the way we produce and consume plastic?” said Natalya Amirova. She is a PhD research fellow at NTNU’s Department of Psychology and part of an interdisciplinary research team at the university.

Read more at: Norwegian University of Science and Technology