The latest update to this website was at 1056am Thursday morning (HST)


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

8176  Lihue AP, Kauai
86 – 77  Honolulu AP, Oahu
8368  Molokai AP, Molokai
8768  Kahului AP, Maui 
8479  Kona AP, Hawaii
8276  Hilo AP, Hawaii 

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

0.50  Mount Waialeale, Kauai
0.12  Manoa Lyon Arboretum, Oahu

0.03  Puu Alii, Molokai
0.00  Lanai
0.21  West Wailuaiki, Maui
0.82  Kawainui Stream, Big Island

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

22  Port Allen, Kauai
28  Oahu Forest NWR, Oahu
32  Makapulapai, Molokai
35  Lanai 1, Lanai

30  Maalaea Bay, Maui
29  Waikoloa, 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. 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 

We have a low pressure system northwest of the islands…thunderstorms far south
(click for larger version)

 We have higher level clouds arriving over the islands at times

Easterly trade winds carrying low clouds our way

Showers locally…very few

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 Thursday comments: I’m home here in upper Kula, Maui, Hawaii

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

521am, it’s mostly clear this morning here in Kula, with a low temperature of 51.5 degrees at my place.

1030am, yet another nice late spring day here in the islands, with very little rainfall. Here in upper Kula, it’s clear with just a few popcorn cumulus clouds floating around, with a temperature of 68.7 degrees.


NOAA predicts a below-normal 2024 central Pacific hurricane season

The 2024 central Pacific hurricane season outlook from forecasters at NOAA’s Central Pacific Hurricane Center and NOAA’s Climate Prediction Center, calls for 1 to 4 tropical cyclones across the central Pacific Hurricane region.

A near-normal season has 4 or 5 tropical cyclones, which include tropical depressions, tropical storms and hurricanes. Overall, there is a 50% chance of below-normal tropical cyclone activity.

The outlook also indicates a 30% chance of a near-normal season and 20% for an above-normal hurricane season across the central Pacific hurricane region. The central Pacific hurricane region is located north of the equator
between 140°W and the International Date Line

“Hurricane season in the central Pacific region is likely to be below average this year,” said Matthew Rosencrans, lead seasonal hurricane forecaster at NOAA’s Climate Prediction Center, a division of NOAA’s National Weather Service (NWS).

“A key factor influencing our forecast is the predicted arrival of La Nina this summer, which typically contributes to less tropical cyclone activity across the central Pacific Ocean basin.” As one of the strongest observed El Ninos nears its end, NOAA scientists predict a quick transition to La Nina conditions. La Nina typically increases wind shear in the central Pacific region, making it harder for storms to develop. Forecasters look at a combination of atmospheric and oceanic conditions, climate patterns and climate models to develop the outlook.

The hurricane season outlook is a general guide to the overall seasonal tropical cyclone activity in the central Pacific basin and does not predict whether or how many of these systems will affect Hawaii. The central Pacific hurricane season begins June 1 and runs through November 30.


Hawaii’s Broad Brush Weather Overview:  A high far northeast of the state will generate breezy to locally windy trade winds through the remainder of the week. Showers will favor windward areas, becoming more prevalent at night. Upper troughing will move over the islands Friday into early next week, setting up periods of increased trade shower coverage and intensity.

Hawaii’s Weather Details:  Surface troughing west of the Hawaiian Islands, combined with high pressure far to the northeast, maintains a pressure gradient sufficiently steep to support moderate to breezy trade winds across local waters.

Overnight soundings show our airmass has dried out a bit since yesterday. Slight instability is noted along with subsidence inversions near 6,000 feet. Radar shows isolated to scattered light showers within trade flow, embedded within patchy broken low clouds across windward areas.

Models show high pressure to our northeast will strengthen a bit and drift south-southeast, as troughing to our west slowly lifts northward. This will provide a minor increase in wind speeds into the weekend. The trough will wash out through the weekend, as high pressure northeast of the state inches a bit southwestward and closer to the islands early to mid next week, providing another slight boost to trades for the first few days of June.

Models also show upper troughing will drift south across the islands Friday into next week, possibly increasing trade wind shower coverage and intensity.

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

Hawaii’s Marine Environment:  High pressure centered far northeast of the area will maintain moderate to locally strong easterly trade winds through Friday, and towards the east-northeast thereafter. Fresh to strong east-northeast trade winds should persist through the weekend, as a ridge of high pressure remains anchored far north of the state.

A Small Craft Advisory (SCA) remains in effect for majority of the waters around Maui County and the Big Island through Friday, and additional waters around Oahu and Kauai waters will likely need to be included by Friday.

Surf along exposed south-facing shores will remain small through Friday. A series of south swells will bring a prolonged period of above average surf along south facing shores through the start of June. Forerunners from the first swell could arrive as early as Friday, build and peak late Saturday into Sunday.

A reinforcing pulse should arrive on Monday and will likely maintain surf heights near or just below the High Surf Advisory threshold. Surf heights should gradually trend down Tuesday through Wednesday, as the south-southwest (200 degree) swell declines. A gale low currently developing just east of New Zealand, will likely bring another south (190 degree) swell Thursday into Friday of next week.

Surf along exposed east-facing shores will continue to remain rough and choppy due to the wind swell generated by the breezy trade winds, and will likely increase slightly by this weekend.

Surf along north-facing shores will continue to remain nearly flat over the next few days. A developing storm force low near Kamchatka should produce an out of season northwest swell, which should steadily fill in Sunday night into Monday. A typhoon tracking off the coast of Japan will likely bring a small reinforcing swell from the west-northwest to northwest Tuesday into the middle of next week.


Is Tunnels Beach Kauai Open? | Kauai Sea Tours



World-wide Tropical Cyclone Activity


Atlantic Ocean: There are no active tropical cyclone

Caribbean Sea: There are no active tropical cyclones

Gulf of Mexico:  There are no active tropical cyclones

>>> Tropical cyclone formation is not expected during the next 7 days…for the 3 areas above

Northeastern Pacific: There are no active tropical cyclones

South of the Coast of Mexico:

A broad area of low pressure, associated with a tropical wave, has formed a couple of hundred miles west of the coast of Central America and is producing disorganized showers and thunderstorms. Some slow development of this system is possible through the weekend and early next week while it moves slowly westward well to the south of the coast of Mexico.

* Formation chance through 48 hours…low…10 percent
* Formation chance through 7 days…low…20 percent

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:  Tropical Cyclone 01W (Ewiniar)…is located approximately 224 NM south-southwest of Yokosuka, Japan

Southwest Pacific Ocean:  There are no active tropical cyclones

North and 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:  Pollution Paradox: How Cleaning Up Smog Drives Ocean Warming

They call it “The Blob.” A vast expanse of ocean stretching from Alaska to California periodically warms by up to 7 degrees F, decimating fish stocks, starving seabirds, creating blooms of toxic algae, preventing salmon returns to rivers, displacing sea lions, and forcing whales into shipping lanes to find food.

The Blob first formed in 2013 and spread across an area of the northeast Pacific the size of Canada. It lasted for three years and keeps coming back — most recently last summer. Until now, scientists have been unable to explain this abrupt ocean heating. Climate change, even combined with natural cycles such as El Niño, is not enough.

But new analysis suggests an unexpected cause. Xiaotong Zheng, a meteorologist at the Ocean University of China, and international colleagues argue that this extraordinary heating is the result of a dramatic cleanup of Chinese air pollution. The decline in smog particles, which shield the planet from the sun’s rays, has accelerated warming and set off a chain of atmospheric events across the Pacific that have, in effect, cooked the ocean.

Read more at: Yale Environment 360