Glenn James
Hawaii Weather Today
Creator, Author, and Administrator for over 30+ years 

 

The latest update to this website was 1150am Saturday morning HST


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

5.02  Mount Waialeale, Kauai
3.01  Tunnel RG, Oahu
0.77  Honolimaloo, Molokai
0.08  Lanai 1, Lanai
8.81  West Wailuaiki, Maui
7.05  Honolii Stream, Big Island


The following numbers represent the strongest wind gusts (mph) Saturday morning:

16  Port Allen, Kauai – E
23  Palehua, Oahu – NE
17  Makapulapai, Molokai – SE
18  Lanai 1, Lanai – NE
18  Mamane Pl, Maui – NW
18  Kawaihae Rd, Big Island


Hawaii’s Mountains – Here’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.


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Big Blue…click twice for largest version

 

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 Multi-layered clouds…with thunderstorms west…and a cold front far northwest

 

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Variable clouds over and around Hawaii

 

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Localized Showers 

 

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




~~~ Hawaii Weather Narrative ~~~

 

Glenn’s Saturday comments:  I’m at my friend Linda’s here in Corte Madera, Marin County, CA on a working vacation.

421am HST, it’s mostly cloudy here in Corte Madera, CA, the low temperature was 40.5 degrees…with calm winds

1149am HST, it continues to be mostly cloudy here in Marin County, it almost feels like there could be a few drops.

 

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Happy Halloween

 

 

Hawaii’s Weather Highlights…as of Saturday morning: A plume of shallow moisture lingering in a light to moderate trade wind flow will maintain increased cloud cover, while wet conditions persist over mainly windward Big Island. An approaching disturbance aloft may trigger a few heavy showers this afternoon and tonight, mainly over Kauai and Oahu. The tail end of a front will move down the island chain late Sunday through Monday, bringing breezy northeasterly trades and drier air in its wake. Breezy easterly trades will bring periods of windward and mauka showers through the rest of the week.

Short Term Update: Look for light to moderate trades continuing across the state through tonight. In this pattern, clouds and showers will continue to be ushered into windward and mauka areas, while localized afternoon sea breezes trigger interior and leeward cloud buildup, particularly on the Big Island.

High-resolution models indicate that an area of heavy showers and isolated thunderstorms, visible on satellite west of the state, may drift eastward over Kauai and possibly Oahu this afternoon and evening, as an upper level trough approaches from the northwest.

Then northeasterly winds will strengthen on Sunday, ahead of a weak front that’s expected to fall apart as it moves down the island chain Sunday night into Monday.

Weather Narrative…as of Saturday morning: Stubborn shallow moisture continues to produce enhanced cloud cover over the island chain, with somewhat wet conditions lingering on windward Big Island. The surface trough that affected the state during the past few days is now over 50 miles southeast of the Big Island, and drifting away as light to moderate trade winds remain in place over the state. Deeper moisture pooled along this feature will continue to produce somewhat wet conditions across windward Big Island, with a decrease in shower activity expected as moisture decreases.

A lingering band of shallow moisture continues to stretch across the remainder of the state, and extends to an area of thunderstorms 100 to 500 miles west of Kauai. Despite high humidity, shower activity is expected to be limited from Maui to Kauai, but as the upper level trough generating the thunderstorms to the west edges closer to the islands this afternoon, a few heavy showers could develop on Kauai and possibly Oahu. Light trade winds will produce mainly windward rainfall from Big Island to Maui County tonight into early Sunday morning, while the above mentioned upper level trough passes just north of the state, and possibly generates more shower activity near Kauai and Oahu.

The ECMWF model is suggesting higher chances of rainfall over the western end of the island chain, while the GFS is keeping the heavier showers away from the islands. As a result, confidence is lower than usual. A shallow front will break apart as it moves down the island chain late Sunday and Sunday night. While this feature will deliver some rainfall to windward and north facing terrain, the main impact will be the development of breezy and gusty northeasterly trade winds from west to east. Deep high pressure building behind the front will usher in a drier and more stable air mass, and with dew points dropping, this will feel more like the first shot of winter-like conditions than just relief from the recent humidity.

A breezy and stable trade wind flow will continue through at least the end of the upcoming work week as high pressure holds north of the state. Dew points will remain quite low on Tuesday, then gradually rebound closer to normal. Expect rainfall to be largely focused across windward slopes, with passing light rainfall leeward. Heading into next weekend, focus returns to the tropics again. While the details are out of agreement, the GFS and ECMWF models are showing possible tropical cyclone development far southeast of the state late in the week, with some chance of a tropical cyclone being near or south the islands next weekend. The National Hurricane Center continues to monitor this area, maintaining a medium (40 percent) chance of development over the next 7-days.

Fire Weather: Fire weather concerns will be low through early Sunday as trade winds remain light and humidity elevated. Breezy and much drier trade winds will develop by Monday, with fire weather conditions moderate.

 

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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 / Looping Surface Precipitation…through the next 8-days / Vog Map

 

Marine Conditions…as of Saturday morning: High pressure to the north will bring moderate to fresh trades to the region. Northeast winds are forecast to strengthen behind a trough dropping south across the islands on Sunday, which may require a Small Craft Advisory for all coastal waters. An incoming north-northwest swell combined with strengthening trades will push high seas for exposed waters. Moderate to fresh northeast trades remain in place as high pressure sits north of Hawaii.

The current small, short period north-northeast swell will maintain small surf along north- and east-facing shores. The forerunners from a moderate, long-period northwest swell are expected to arrive this afternoon/evening, with the swell building quickly overnight. By Sunday, advisory level surf is expected for north and west facing shores, which is expected to continue into Monday. The swell is may shift slightly more northerly briefly build further on Monday, before dropping on Tuesday. Depending on the exact direction, a Marine Weather Statement may eventually need to be issued due to the potential for harbor surges at Kahului and Hilo during that time. Another advisory level northwest swell is possible Thursday into Friday.

The current moderate, medium period south swell will gradually decline through the weekend. Surf above seasonal average returns to seasonal average on Sunday as the south swell energy fades. During the first half of next week, south shore surf will return to below seasonal averages.

East-facing shores will see an increase in trade wind swell as northeast winds return on Sunday. Surf along east-facing shores will increase through Monday night, and conditions will be choppy as trades sustain through much of the week.

 

>>> Highest Temperature Friday, October 30, 2026 – 92 degrees near Ochopee, FL


>>> Lowest Temperature Friday, October 30, 2026 – 18 degrees near Grand Lake, CO

 

Lush Greenery and Mountains in Hawaii's Oahu · Free Stock Photo


World-wide Tropical Cyclone Activity

 



>>> Here’s a link to the latest Pacific Disaster Center’s Weather Wall



Atlantic Ocean: There are no active tropical cyclones

Caribbean Sea: There are no active tropical cyclones:

Gulf of America: There are no active tropical cyclones

 

Northeast Pacific:

 

Central North Pacific: There are no active tropical cyclones

>>>Well Southeast of the Hawaiian Islands:

A broad area of low pressure is forecast to develop well to the southeast of the Hawaiian Islands by early next week. Thereafter, environmental conditions appear generally favorable for gradual development of this system, and a tropical depression could form by the end of next week as it moves westward to west-northwestward over the Central Pacific basin.

* Formation chance through 48 hours…low…near 0 percent
* Formation chance through 7 days…medium…40 percent 

 

Northwest Pacific Ocean:

Tropical Cyclone 30W (In-fa)…is located approximately 170 NM southeast of Iwo To

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Southwest Pacific Ocean: There are no active tropical cyclones

 

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

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



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Read More at: Penn State University

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