The latest update to this website was at 825pm Sunday (HST)

 

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

0.15  Mount Waialeale, Kauai
0.03  Lyon, Oahu
0.01  Kamalo, Molokai
0.00  Lanai
0.05  Puu Kukui, Maui
0.07  Glenwood, Big Island

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

21  Barking Sands, Kauai – N
18  Oahu Forest NWR, Oahu – ESE
31  Makapulapai, Molokai – E 
14  Lanai 1,  Lanai – NE
28  Na Kula, Maui – ENE
30  Puuloa, Big Island – ESE

 

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

 An approaching cold front northwest

 

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

Low clouds arriving along the windward sides…an area of high clouds moving over us from the northwest

 

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

 

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 here at home in upper Kula, Maui

It’s mostly clear with some cloudy areas early this morning, with a very cold low temperature of 41.5 degrees at my place. 

It’s partly cloudy here on Maui, and across much of the state of Hawaii. The temperature here at my place is 53.4 degrees, although just a few minutes ago it was a cooler 51.5 degrees.

 

Weather Wit of the day: Drought – When you go from one ex-stream  to another

 

Interesting weather blog – Mauka Showers…Wet Season 2025-2026 – Mid-Term Update

 

>>> Highest Temperature Sunday, January 18, 2026 – 86 at Escondido, CA
>>> Lowest Temperature Sunday, January 18, 2026 – minus 20 at Cook, MN

 

Hawaii’s Broad Brush Weather Overview:  Trades have become more southeasterly, as ridging aloft moves over the state, and gradually weakening southeast winds will prevail over the next couple of days. Mainly light showers will favor windward and southeast slopes and coasts through Tuesday. A weakening cold front will move into the western part of the state Wednesday, increasing rainfall chances Wednesday through Friday. There remains some uncertainty, but increased showers could linger into next weekend.

Hawaii’s Weather Details:  Breezy east-southeast winds are prevailing across the island chain. Latest satellite and radar imagery shows some areas of low clouds embedded within this east-southeasterly flow moving into windward areas. Meanwhile, the typical afternoon cloud buildups have also occurred in sheltered leeward areas, such as the Kona slopes of the Big Island. Showers, on the other hand, have been rather light. Statewide rain gauge networks have reported little to no rain at the vast majority of locations during the daylight hours, with sites reporting a few hundredths of an inch at most.

A surface high far to our northeast will move even farther northeast over the next couple of days, while a front approaches the islands from the northwest. As this occurs, winds will continue to be more southeasterly as they gradually weaken. Predominantly dry and stable conditions are expected to persist through Tuesday, with only a few light showers along windward and southeast slopes and coasts.

The front that is approaching from the northwest is forecast to arrive in the islands on Wednesday, driven by an upper level trough. Model guidance suggests that it will reach Kauai County by Wednesday morning, Oahu in the afternoon to evening, and Maui County overnight Wednesday into early Thursday.

Ahead of the cold front, light winds will result in a daytime sea breeze/nighttime land breeze regime. However, winds will become breezy to locally strong out of the northeast behind the front. As the front moves through, moisture associated with it will increase shower chances across the islands.

There remain some key differences amongst model guidance regarding what happens from Thursday onward. As was the case with previous model runs, some members are continuing to show the front moving through the Big Island, while others show it stalling and its associated moisture beginning to wash back westward for Thursday and Friday. Regardless, rain chances will increase from Wednesday into Thursday, and higher chances could linger over at least portions of the state through the end of the week. High pressure looks to become re-established north of the islands next weekend.

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:  High pressure to the north of the state will continue to move to the east as a cold front moves towards the islands. With the high pressure to the north, moderate to locally strong trade winds will continue. As the cold front advances to the east towards the islands, winds will weaken and veer to the southeast. The front is expected to enter the offshore waters Tuesday, and will bring the possibility of thunderstorms to the northern offshore waters Tuesday through Thursday. The front is expected to reach the northwest coastal waters late Tuesday, and move over the central waters Wednesday, where it will linger during the second half of the week.

The new moderate, long period, northwest swell has reached the buoys to the northwest of the islands, and will reach Kauai. This swell will cause surf to rise rapidly along north and west facing shores. A High Surf Advisory (HSA) has been posted for the effected shores of the smaller islands. This swell is expected to peak in the islands, with surf dropping below HSA levels tonight. Another moderate, long period, northwest swell is expected to arrive in the islands Tuesday, and linger through the middle of the week. This swell will maintain elevated surf along north and west facing shores.

The moderate to locally strong trade winds will maintain rough and choppy surf along east facing shores. Additionally, some east facing shores sensitive to northerly swells may be experiencing a slight increase in surf heights as a fading north swell lingers. As winds weaken and veer to the southeast ahead of the incoming front, surf will lower along east facing shores. There are no noteworthy swells for the next few days for south facing shores.

 

27 Pictures That Have Me Wishing I Was Back In Hawaii Red Around the World



World-wide Tropical Cyclone Activity

 

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

 

Northeastern Pacific:  There are no active tropical cyclones

North Central Pacific: There are no active tropical cyclones

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

 

Northwest Pacific Ocean:  

Tropical Cyclone 01W (Nokaen) is located approximately 340 NM east-northeast of Manila, Philippines

https://www.metoc.navy.mil/jtwc/products/wp0126.gif

Southwest Pacific Ocean:  There are no active tropical cyclones 

North Indian Ocean:  There are no active tropical cyclones 

 

South Indian Ocean:

Tropical Cyclone 14S (Dudzai) is located approximately 315 NM east-southeast of Port Louis, Mauritius

https://www.metoc.navy.mil/jtwc/products/sh1426.gif

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:  Microplastics Detected in Rural Woodland

Air-polluting microplastics have been found in rural areas in greater quantities than in cities, researchers say.

The study, led by the University of Leeds, detected up to 500 microscopic particles of plastic per square metre per day in an area of woodland during the three-month study – almost twice as much as in a sample collected in a city centre.

Researchers believe trees and other vegetation capture airborne microplastic particles from the atmosphere and deposit them, highlighting the impact that different landscape and weather conditions have on the spread of the particles.

And they say that these unexpected results challenge the assumption that microplastic pollution is mainly an urban problem.

Read More: University of Leeds

Image: Wytham Woods, a 1,000-acre site of Special Scientific Interest in Oxfordshire, where microplastics were detected in greater numbers than in urban areas