The latest update to this website was at 618pm Tuesday (HST)

 

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

0.05  Waipa, Kauai
0.10  Tunnel RG, Oahu
0.14  Makapulapai, Molokai
0.00  Lanai 1, Lanai
1.25  West Wailuaiki, Maui
0.79  Kaiholena, Big Island

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

18  Port Allen, Kauai
27  Kuaokala, Oahu
24  Makapulapai, Molokai
27  Lanai 1, Lanai
30  Kahului AP, Maui
24  Hokuloa, 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 southwest…upper level low moving away to the west 

 

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

 Variable low clouds…along with higher clouds over the islands…and thunderstorms southwest

 

 

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 Tuesday comments:  I’m here in Bend, Oregon with my friend Bob Earle.

It’s partly to mostly cloudy here in Bend this morning. The low temperature was 39 degrees.

516pm Oregon time, it’s dark, cloudy, and lightly raining…with a temperature of 43.5 degrees.

Weather Wit of the day: Rainy October – Indian Bummer

Interesting web blog: Mauka Showers – The 10th Anniversary of that Crazy Hurricane Season of 2015

>>> Highest Temperature Tuesday, November 4, 2025 – 95 near Tecopa, California
>>> Lowest Temperature Tuesday, November 4, 2025 – 15 near Grand Lake, Colorado 

 

Hawaii’s Broad Brush Weather Overview: Moderate to locally breezy trades will persist Thursday, focusing brief showers over windward and mountain areas, while high clouds continue to stream overhead. Winds will weaken Thursday into Friday, as a cold front approaches from the northwest, allowing for sea breeze development and limited shower activity over leeward and interior areas. Confidence remains lower in the weekend forecast, but the front is expected to bring breezy to windy northeasterly winds and increased showers to at least the western end of the state, with moisture potentially spreading farther east into early next week.

Hawaii’s Weather Details: Radar and satellite imagery show a large area of high clouds streaming northeast over the islands, with low clouds and isolated showers moving into windward and mountain areas on the moderate trades. These upper-level clouds, tied to jet stream dynamics aloft, will continue drifting overhead for the next couple of days, which should have minimal impact on the weather besides perhaps helping to moderate temperatures a bit, but should make for some dynamic sunrises and sunsets.

As the tail-end of a cold front to the north of the state transitions into a surface trough by Wednesday evening, the high pressure to our northwest and another high pressure center building to the distant northeast, will help to drive moderate to locally breezy trade winds across the region into Thursday. During this time, a mid-level ridge will build over the state, increasing stability and keeping inversion heights on the lower side…maintaining a fairly typical stable trade wind pattern into Thursday, focusing shallow clouds and showers mainly across windward and mountain areas. In addition, leeward areas of the Big Island will see sea breeze activity with the typical afternoon showers.

Winds begin to weaken on Thursday as a cold front approaches from the northwest, with lighter veered winds over the western end of the state allowing for localized sea breeze activity over Kauai and Oahu. With limited low level moisture being brought in on the weakening trades at that time, these sea breezes will likely only bring some clouds and perhaps a few isolated showers to leeward and interior areas Thursday afternoon.

The trades are expected to fully collapse by Friday, giving way to light and variable or northerly winds as the front nears Kauai. While moisture still looks to remain somewhat limited, statewide sea breeze activity will build low level clouds over leeward and interior areas, and once again likely only produce isolated shower activity.

Forecast confidence decreases heading into the weekend, due to model differences in the position and timing of the approaching front. Confidence is higher that the front will at least reach the western islands, where breezy to windy northeasterly winds and increased showers are expected. Model guidance remains split…some members stall the front near Kauai, others across the central islands, and a few progress it all the way down to the Big Island.

The weather early next week will be highly dependent on the evolution of the front. For now, its looking like most of the state will see breezy to windy northeasterly trades with enhanced moisture near the frontal boundary. With mid-level ridging building back over the area, inversion heights will lower once again, keeping the moisture confined to lower levels and focusing clouds and showers over windward and mountain areas.

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 high pressure ridge north of the Hawaiian Islands will build through Wednesday, slightly increasing the trade winds to locally strong levels tonight into Wednesday. A trough and upper level disturbance west of the offshore waters, will continue to produce isolated thunderstorms across the south and west offshore waters for a few more days. Moderate to fresh trade winds will strengthen slightly into the fresh to locally strong range through Wednesday, then steadily decline through Thursday, as the ridge weakens and drifts south in advance of an approaching cold front farther north of our area.

A large reinforcing short to medium period north swell will continue to decline. Surf heights will continue to fall as this north swell energy decreases. Winds and seas will remain below Small Craft Advisory criteria until Wednesday, when a combination of winds and seas will likely produce SCA conditions in most coastal waters and channel areas.

A gale low currently passing far north of the state will send us the next large medium period north-northwest swell. This swell will build into the Hawaii area and peak late Wednesday. Surf heights will exceed advisory thresholds along exposed north and west facing shores. Advisory level surf could hold into Thursday, before steady declining. A reinforcing north-northwest swell is possible on Friday, which should help maintain moderate surf on Friday.

In the long range, a deep low pressure system is expected to develop to our north and northeast Friday into Saturday. This low will likely send a large north-northeast (020-030 degree) swell late this coming weekend. Due to the swell angle, heavy surges will be possible along north facing harbors such as Kahului and Hilo on Sunday.

A large north-northeast swell on Sunday may bring advisory level surf along east facing shores on Sunday. South facing shores will remain small throughout this week. A small long-period south-southwest swell is possible Friday into the weekend, with a larger out of season south swell possible by early next week.



World-wide Tropical Cyclone Activity

 

Atlantic Ocean:  There are no active tropical cyclone

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

Caribbean Sea:  There are no active tropical cyclone

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

Gulf of America:  There are no active tropical cyclone

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 31W (Kalmaegi)…is located approximately 687 NM east-southeast of Da Nang

https://www.metoc.navy.mil/jtwc/products/wp3125.gif

Tropical Cyclone 32W…is located approximately 51 NM northwest of Woleai (Yap State in the Federated States of Micronesia)

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:  Plastic-Munching Bacteria Found Across the Seven Seas

New enzyme motif shows how ocean microbes are evolving to digest plastic — and could help future cleanup efforts.

Deep within the world’s oceans lurk marine bacteria armed with plastic-munching enzymes, their evolution seemingly sculpted by our synthetic castaways.

A global survey of oceanic life from researchers at KAUST shows that these microbial recyclers are not only widespread, but genetically primed to feast on polyethylene terephthalate (PET), the durable polymer found in everything from soda bottles to clothing.

Their secret weapon is a telltale structural stamp on the PET hydrolase enzyme, known as PETase: the M5 motif.

Read More: King Abdullah University of Science & Technology (KAUST)

Image: Bacteria armed with the M5 motif on their PETase enzyme can feast on plastic, a trait now seen thriving across the world’s oceans.