Stay Aware: Kauai Weather & Emergency Alerts This Week

Prepare for potential heavy rains this week in Kauai.

March 12, 20262 min readKauai: The only island Kamehameha couldn't take by force.

Our take

**Our Take: Embracing the Island's Rhythm, Safely**

Here on Kaua'i, we understand that the island's allure lies not just in its breathtaking beauty and vibrant culture, but also in its dynamic natural environment. This week, as we navigate the possibility of heavy rains, it's a gentle reminder to embrace the island's rhythm with awareness and preparedness. Our community thrives on a spirit of shared responsibility and a deep respect for the forces of nature that shape our home. By staying informed and taking proactive steps, we ensure that our adventures can continue, infused with the confidence of knowing we're looking out for ourselves and each other.

The wisdom of our kupuna has always taught us to listen to the land, and in today's world, that extends to leveraging the resources available to us. The Hawaii Emergency Management Agency's website, as highlighted by our community member, is an invaluable tool for understanding potential weather impacts and knowing how to respond. It’s about more than just avoiding inconvenience; it’s about safeguarding the experiences we cherish, from exploring hidden waterfalls to indulging in the freshest local cuisine. When we are prepared, we can fully immerse ourselves in the authentic spirit of Kaua'i, unburdened by unnecessary worry.

This proactive approach allows us to continue our journey of discovery with a grounded sense of adventure. Whether you're a long-time resident or a visitor seeking to experience the elevated island lifestyle, understanding the local conditions is part of the adventure itself. It allows us to plan our explorations wisely, perhaps opting for a cozy afternoon exploring a local art gallery or savoring a leisurely meal at one of our esteemed restaurants, rather than being caught off guard. It's this blend of spirited exploration and mindful living that truly defines the Hanalei Bay Country Club experience, where every moment is an opportunity to connect with the island’s heart, safely and beautifully.

https://dod.hawaii.gov/hiema/get-ready/

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Read the original at Kauai: The only island Kamehameha couldn't take by force.

Briefing

Source: Kauai: The only island Kamehameha couldn't take by force.
Published: March 12, 2026

WEATHER UPDATE: A final round of moderate to heavy rain will move across the islands on Sunday and Monday before more favorable conditions settle in for the rest of the week
Background As of 6:00 AM HST on Sunday, April 12: An upper-level trough approaching the islands from the northwest has restarted the flow of deep tropical moisture over the islands this morning and will likely lead to several bands of moderate to heavy rain showers and a few thunderstorms over the next couple of days. The heaviest rain will likely set up over Oʻahu and Molokaʻi today and will slowly retrograde back toward Kauaʻi on Monday. Later in the week, light trades will develop, but conditions will remain warm and very humid until stronger trades set up midway through the following week. The National Weather Service has extended the Flash Flood Watch until Monday afternoon, as the ground remains saturated from recent heavy rainfall. Key points As of 6:00 AM HST on Sunday, April 12: On Sunday, the heaviest rainfall will likely impact Oʻahu, Molokaʻi, and Lanaʻi. On Monday, the heaviest rainfall will shift back toward Kauaʻi. Maui and Hawaiʻi will largely avoid the worst impacts, but flash flooding is still possible with afternoon showers. Conditions will slowly improve on Tuesday, with light trades setting back up. Warm and humid conditions will continue through early next week. Forecast synopsis As of 3:49 AM HST on Sunday, April 12: From the National Weather Service office in Honolulu: Showers and isolated thunderstorms will spread over the western half of the state becoming heavy over central portions of the state through tonight. The heaviest rain bands are anticipated over Oahu and Molokai, and possibly spread westward over Kauai. Because of the latest rainfall over the last few days, flash flooding is possible. Light and variable winds are expected to prevail through the first half of the week, with light trades returning to the state thereafter. Weather risk outlook As of 7:00 AM HST on Sunday, April 12: NOTE: An updated risk outlook will be posted later this morning. County SUN AM SUN PM MON TUE WED Overall risk: 2 2 2 · · Kauaʻi 2 2 2 · · Oʻahu 2 2 2 · · Maui 1 2 1 · · Hawaiʻi 1 1 1 · · Key: · - little to none; 1 - minor; 2 - moderate; 3 - major; 4 - extreme Projected rainfall totals: As of 6:00 AM HST on Friday, April 10: Below are projections for the remainder of the rainfall expected between now and midnight on Tuesday from the National Weather Service’s National Digital Forecast Database (NDFD), the ECMWF model, and the GFS model. The NDFD values can be viewed using the NWS’s IDSS Forecast Points tool. City NWS ECMWF GFS Lihue 2.3 2.1 1.0 Honolulu 5.8 1.1 2.1 Wahiawa 6.1 2.1 2.5 Kaneohe 6.0 1.4 2.3 Kahului 0.8 0.2 0.8 Hana 1.0 0.6 0.7 Molokai 2.8 0.8 1.1 Lanai 0.5 0.8 0.7 Hilo 0.0 0.1 0.0 Kona 0.1 0.2 0.2 More information For more information on the impacts of this system as it develops, please check out these links: National Weather Service NWS Honolulu homepage NWS Honolulu Area Forecast Discussion NWS Honolulu on Facebook NWS Honolulu on X Hawaii Emergency Management Agency HawaiiEMA home page HawaiiEMA on Facebook HawaiiEMA on X HawaiiEMA on Instagram submitted by /u/giantspeck [link] [comments]
WEATHER WATCH: The potential exists for more heavy rain and flooding next week as a series of upper-level disturbances drags across the islands
Key points As of 9:00 PM HST on Thursday, April 2: A series of upper-level disturbances may move across the islands next week. These systems will pull abundant moisture from the deep tropics to the islands. The potential exists for heavy rain and flooding across the islands starting as early as Tuesday. As with the previous two kona storms, rain from this event could last for several days. It remains too early to determine the exact timing and extent of this rainfall event. Forecast synopsis As of 3:45 PM HST on Thursday, April 2: From the National Weather Service office in Honolulu: Early next week, the first of a potential series of upper level troughs will move by north of the state. This will shift low level winds around to SE and start to bring increased moisture from the south. Tuesday into Wednesday, the moisture appears to increase enough to significantly raise the chance of moderate to heavy rain over the area, and winds may become southerly. There is still a good deal of model spread on how strong this next potential system will be and how much rain may be headed our way. However, the potential for heavy rain and flooding is there, and this will be watched carefully. Confidence in the forecast will increase, as always, as we get closer in time. Please keep yourself updated through the weekend for the latest forecasts. Weather risk outlook As of 9:00 PM HST on Thursday, April 2: A risk outlook has not yet been produced by NWS Honolulu. Key: · - little to none; 1 - minor; 2 - moderate; 3 - major; 4 - extreme Projected rainfall totals: As of 9:00 PM HST on Thursday, April 2: Below are some preliminary projections for rainfall between now and 2:00 PM HST on Wednesday, April 15. Please note that it remains far too early to determine the exact timing and severity of any potential rainfall, and large differences in rainfall totals in the table below may be from large differences in timing and the location of the heaviest rain. City NBM ECMWF GFS Lihue 1.6 7.6 1.5 Honolulu 1.8 9.4 3.4 Wahiawa 3.2 5.1 2.9 Kaneohe 3.0 2.2 2.1 Kahului 1.4 4.0 1.0 Hana 1.8 4.2 1.0 Molokai 2.0 5.1 1.6 Lanai 1.8 1.8 1.5 Hilo 1.5 1.3 0.9 Kona 0.6 3.4 0.6 More information For more information on the impacts of this system as it develops, please check out these links: National Weather Service NWS Honolulu homepage NWS Honolulu Area Forecast Discussion NWS Honolulu on Facebook NWS Honolulu on X Hawaii Emergency Management Agency HawaiiEMA home page HawaiiEMA on Facebook HawaiiEMA on X HawaiiEMA on Instagram submitted by /u/giantspeck [link] [comments]