The latest update to this website was at 644am Sunday (HST)

 

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

0.08  Mount Waialeale, Kauai
0.35  Kamananui Stream, Oahu
0.10  Makapulapai, Molokai
0.00  Lanai
0.26  EMI Baseyard, Maui
1.70  Kealakekua, Big Island

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

15  Nawiliwili, Kauai
25  Palehua, Oahu
28  Makapulapai, Molokai
25  Lanai 1, Lanai 
24  Na Kula, Maui
27  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

Cold front northwest…thunderstorms southwest and in the deeper tropics

 

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

 There are high and middle level clouds moving over the state from the west 

 

 

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 through the winter in upper Kula, Maui

It’s clear to partly cloudy here in Maui County early this morning…with a low temperature of 51.5 degrees at my place, with the relative humidity 77 percent.

Weather Wit of the day: Stealth Weather – If you didn’t see it coming

>>> Highest Temperature Saturday, December 6, 2025 – 89 near Sunniland, Florida
>>> Lowest Temperature Sunday, December 7, 2025 – minus 20 at Cook, MN

Mauka Showers web blog…The Central North Pacific Hurricane Season, 2025 Edition

 

Hawaii’s Broad Brush Weather Overview: Light to moderate trades with embedded showers favoring predominately windward and mountain areas are expected through the day, followed by drier and more stable conditions through the first half of the new week. Winds will begin easing Wednesday and veer southerly in response to an advancing front northwest of the islands. This front is expected to move over the islands during the latter half of the week, potentially increasing shower activity.

Hawaii’s Weather Details: Latest radar data indicate the volcanic ash from Kilauea’s Halemaumau Crater during episode 38 that started decreasing Saturday evening, has further decreased this morning. Radar observations show the plume now at approximately 10,000 feet, with light ashfall possible southwestward within 5 miles from the volcano source.

Moderate trades continue to ease as an upper-level trough moves into the vicinity of the islands. Latest satellite water vapor imagery clearly depicts a sub-tropical jet stream just north and west of Kauai, producing two distinct upper-level lows…one on either side of the Hawaiian Islands. The low west of the islands will begin to dig southwestward away from the state, resulting in little impact. Conversely, the more intrusive, eastern low will result in a bit of instability, which may produce some brief enhanced shower activity focused over predominately windward and mountain areas.

Additionally, a well-defined band of moisture can be seen on satellite imagery, is anticipated to bring showers mainly to windward areas of Big Island and Maui initially this morning. However, the American model (GFS) portrays wetter conditions moving up the island chain to Molokai and Oahu late this morning to early afternoon. Overall precipitation accumulation will be on the lighter side, but some locations may see a tenth to upwards of a quarter of an inch of rainfall.

Model guidance of the GFS and European model (ECMWF) show the aforementioned low eventually strengthens and forms a closed low tomorrow, and slowly meanders away from the Hawaiian Islands. Ridging quickly builds in in its wake, allowing dry and stable conditions to return. This will open the doors to moderate trades reestablishing, with the more typical trade showers across windward and mountain areas with exception for the Kona slopes of the Big Island, where typical sea-breeze induced cloud buildups and showers will be possible during the day.

Toward the latter part of the upcoming week, model guidance introduces a cold front moving northwest to southeast. As this occurs, surface winds will become light and veer southeasterly, prompting daytime sea breezes and nighttime land breezes ahead of its arrival. There’s still a fair bit of uncertainty with regards to the timing of the front, as the ECWMF displays a much earlier arrival time compared to the GFS.

Furthermore, ECMWF shows the front to have a more modest impact to the Hawaiian Islands, dissipating much quicker. GFS, on the other hand, supports the likelihood of enhanced shower activity as it passes through. Further analysis will be needed to determine which scenario proves more favorable in the forecast guidance over the coming days.

Fire weather: Light to moderate trades and relative humidity values in the low- to mid-50’s will maintain below critical fire weather thresholds through much of this coming week. Winds are expected to ease further as the week progresses, preceding a wetter weather pattern during the latter half of the week. The temperature inversion heights sloped from around 6,500 feet at Lihue to around 10,000 feet over Hilo.

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 surface high pressure ridge will remain north of the Hawaii region, winds flowing around this ridge will produce gentle to moderate easterly winds, then decreasing and veering more southeasterly to southerly from Tuesday to Wednesday, as another cold front moves into the area from the northwest. A consensus of weather model guidance suggests this cold front may move into the western Hawaiian islands from late Wednesday into Thursday, then diminishing by Friday.

The current medium period north-northwest (340-350 degree) swell continues to slowly fade into Monday, bringing surf back down to below average levels for this time of year. The next two long to medium period overlapping northwest (310-320 degree) swell pulses will arrive on Monday and Tuesday, boosting surf along north and west facing shores, and possibly reaching marginal advisory levels by Wednesday.

Choppy east shore surf will remain small and decline for the next few days as trades gradually ease. Expect minimal background energy for south facing shores keeping south shore surf heights above flat levels.

Peak monthly tides combined with water levels that are running higher than predicted, will likely lead to minor flooding along the shoreline and in low-lying coastal areas. Coastal flooding is possible through the peak high tide.

 



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:  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:  New Study Finds That Drones Can be a Valuable Ally in Elephant Conservation

Once seen as a source of alarm, drones (or Unmanned Aerial Vehicles, UAVs) are now proving to be surprisingly elephant-friendly and a valuable research tool. Previously, the use of drones in elephant conservation has mostly relied on their power to disturb: with their buzzing propellers, which can sound like a swarm of bees, elephants reliably run from drones, making them a useful tool to drive elephants from croplands.

But new research published by Oxford University and Save the Elephants (STE) has concluded that elephants can learn to ignore drones, particularly when they are flown in a way designed to minimize disturbance. Flying a drone high (120 metres or above), with a downwind approach and steadily caused minimal stress to the elephants, with only temporary changes seen in their behavior, if at all.

Read More at: University of Oxford