The latest update to this website was at 1021am Wednesday (HST)

 

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

1.03  Mount Waialeale, Kauai
1.33  Lyon, Oahu
1.50  Puu Alii, Molokai
0.00  Lanai
2.10  Waikamoi Treeline, Maui
0.60  Kawainui Stream, Big Island

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

33  Lihue, Kauai
36  Oahu Forest NWR, Oahu
35  Makapulapai, Molokai
31   Lanai 1, Lanai 
52  Kealaloloa Rg, Maui
51  Kawaihae Rd, 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 far south…cold front far northwest

 

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

 Variable clouds over the islands…higher clouds southeast 

 

 

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 Wednesday comments:  My good friend Bob Earle and I are here at Sea Ranch, CA.

It’s cloudy this morning here at the coast. The low temperature was 53 degrees.

Cloudy with light showers and increasing winds. We have a potent storm system taking aim on the coast of California, from Eureka all the way down to San Diego! Bob and I are hunkered in just enjoying the squalls as they roll into the coast on gusty winds. This doesn’t keep the sea gulls, pelicans, and the rest of the shore birds from flying by, as we watch the show through the picture windows and sliding glass doors.

Weather Wit of the day: Deluge – Mother Nature saying, “This floods for You”

>>> Highest Temperature Tuesday, November 11, 2025 – 95 near Ogilby, CA
>>> Lowest Temperature Wednesday, November 12, 2025 – 4 at Mount Washington, NH

 

Hawaii’s Broad Brush Weather Overview: A broad high dominating much of the Central Pacific will maintain breezy to windy trades across the Hawaiian Islands through Thursday morning. Enhanced shower activity and cloud coverage will persist predominately over windward and mountain areas. Trades will begin to weaken to a more moderate level by Friday in response to the high weakening and propagating northeastward away from the Hawaiian Islands.

Hawaii’s Weather Details:  The latest surface analysis depicts a broad 1035 millibar area of high pressure well north of the Hawaiian Islands, maintaining breezy to locally windy trades through early Thursday morning. A Wind Advisory has been issued for portions of Maui County and Big Island through 6am Thursday as a result.

As the high continues to build, the pressure gradient tightens across the state, and may cause more widespread and persistent winds to exceed advisory thresholds briefly beyond the typical wind-prone locations. The strongest winds are expected to continue through tonight, then slowly weaken and become moderate to breezy by the latter end of the week, as the area of high pressure meanders northeastward away from the islands.

As the week progresses, the enhanced trades will bring periods of shower activity, particularly across windward and mountain areas. Guidance continues to show an increase in shower activity for today, as an area of moisture associated with a dissipating cold front gets embedded in the trade wind flow, with much of the moisture aimed at Maui and the Big Island.

However, the latest model total precipitable water (PWAT) from the GFS and ECWMF has seemingly toned down what was previously depicted 24 hours ago, highlighting PWAT values are closer to 0 to 1 standard deviations above normal now. Despite this, expect windward trade showers to be preeminent throughout the week, then gradually lessen heading into the weekend.

Fall is in the air as a slightly drier air mass will keep dew points mainly in the mid 60’s, keeping the islands cooler than average for the week. A few hours of lower relative humidity is also once again possible late this morning, as satellite observations show a transient dry slot moving northeast to southwest toward the state. This should be short-lived, especially as the low-level moisture embedded in the trades moves in shortly thereafter by this afternoon. Additional areas of moisture should help to keep relative humidity values elevated through the remainder of the week.

Some model guidance begins to depict a surface trough producing a southerly flow over the islands, bringing  an abundance of moisture from the tropics with it around Monday or Tuesday of next week. Latest model guidance of the ECMWF and Canadian retains the tropical moisture south of the islands. The GFS, on the other hand, suggests ample moisture will be pulled northward into the islands, leading to a potential heavy rainfall event.

The GFS also showcases a prolific cold front advancing southward during the same time, which is not illustrated on the ECMWF or Canadian. There’s still a fair bit of uncertainty, however, namely given the long lead time before the event, and further analysis on model trends will be required to determine how accurate this initial assessment proves to be.

Fire weather:  Breezy to windy trades will continue through early Thursday, becoming moderate to breezy before the weekend. A few hours of near critical fire weather conditions are possible as relative humidity may briefly fall into the mid to upper 40’s due, to a transient dry slot moving across the state. However, this should be short-lived as low-level moisture embedded in the trades quickly fills in behind. Additional areas of moisture moving into the state should help to keep relative humidity from reaching critical thresholds for the remainder of the week. Temperature inversion heights near the Big Island and Maui will range from 9,000 to 10,000 feet 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:  A strong 1034 millibar surface high, centered well north of the islands, will help drive fresh to locally gale force trade winds across Hawaiian waters. The high will slowly drift slowly southeast through tonight and maintain robust east northeasterly flow. The strong trade winds, combined with building northeast and northwest swells, will also result in high seas across the area. A Gale Warning remains in effect through Thursday morning for the Alenuihaha Channel, where flow funneling around the terrain of Maui and the Big Island will accelerate trades even more. Elsewhere, a Small Craft Advisory (SCA) remains in effect for a combination of winds and seas. The aforementioned high to our north will gradually drift eastward and weaken Friday into this weekend, allowing winds to weaken to moderate to locally strong through the weekend.

The current short period northeasterly swell will produce large breaking waves along east facing shores through Thursday afternoon. A combination of higher than predicted water levels, large breaking waves, and strong onshore winds could lead to significant wave runup, beach erosion, and localized coastal flooding for east facing shores during daily peak high tide cycle. Thus, a High Surf Advisory remains in effect for east facing shores through 6am Thursday. Northeast swell energy and associated surf should decline late Thursday through this weekend, as local trade winds weaken.

A small to moderate, long period, northwest swell will peak and keep surf along north and some west facing shores elevated, but below advisory levels. This swell energy should fade through Friday. Another small, long period, northwest swell is forecast to enter the local waters this weekend, which will again bring a sub-advisory level rise in surf along north facing beaches.

A small, long period, south swell will peak and generate surf near or slightly above the November average, then fade through the remainder of the week.



World-wide Tropical Cyclone Activity

 

Atlantic Ocean:  There are no active tropical cyclones

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

Caribbean Sea:  There are no active tropical cyclones

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

Gulf of America:  There are no active tropical cyclones

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

 

Northeastern Pacific:  There are no active tropical cyclones

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

North Central Pacific: There are no active tropical cyclones

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

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

 

Northwest Pacific Ocean: 

Tropical Cyclone 32W (Fung-wong)…is located approximately 470 NM west-southwest of Kadena AB

https://www.metoc.navy.mil/jtwc/products/wp3225.gif

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:  Climate Change Expands Wildfire Danger Worldwide: New Study Warns of Unprecedented Risks in the Coming Decades

A new study, led by CMCC and Coventry University, reveals that climate change will dramatically expand wildfire danger across the globe, with up to 91% of fire-prone regions experiencing heightened risk by the end of this century.

However, these changes are not just limited to areas that are traditionally fire-prone but could also affect ones that have rarely experienced wildfire risk in the past.

“Wildfire danger is expanding and intensifying due to climate change,” says CMCC researcher and co-author of the study Maria Vincenza Chiriacò. “The key takeaway from this study is that climate-driven fire danger is not a distant or localized issue, but a growing global challenge that demands proactive action.”

Some of the most pronounced increases in fire danger are expected in regions such as southern Africa, the Mediterranean region, northern Asia, northeastern South America, and parts of North America.

Read More: CMCC Foundation – Euro-Mediterranean Center on Climate Change