Jaltemba Bay Towns Spared from Tropical Storms

Tara A. Spears

Come on down, Jaltemba Bay is fine! Those NOTB people that have plans or reservations to spend time enjoying Mexico’s west coast area are understandably concerned about how our community faired after the back to back tropical storms in the 2025 rainy season. Unlike towns north and south of Jaltemba Bay, the worst damage we experienced resulted from the concentrated rain and storm surges that cause temporary flooding of local roads.

The effect of climate change is that Mexico now experiences more Pacific hurricanes and tropical storms than 25 years ago. Coastal erosion and beach loss on Mexico’s west coast are significant consequences of these hurricanes, driven by the powerful wave action and storm surges associated with these intense storms. The relentless force of the waves, exacerbated by storm surges, gradually wears away the shoreline areas, leading to beach loss along the coast.

This erosion not only impacts the aesthetic appeal of the coastline but also poses a threat to coastal ecosystems and properties. The vulnerability of coastal communities to flooding and property damage increases as the beaches diminish, leaving them exposed to the ravages of the sea. But, due to the shape and position of the Jaltemba Bay, this coastal community is sheltered from the worst of the tropical storm impact by the size and depth of this bay. The Coral Islands also help regulate the volume of water churned up by the passing winds besides acting as a seawall.

While Jaltemba Bay’s location is not like to experience wind damage during Pacific hurricanes, the aftermath of storm surge and flooding create problems. The storm surges carry debris, chemicals, and waste into coastal waters, posing health risks to both humans and marine life. The aftermath necessitates extensive clean-up and restoration efforts to mitigate the detrimental impact on the ecosystem and people’s health. Local businesses, municipal water and sewer company, Oromapa, and residents immediately address this potential issue to minimize the effect of each storm.

The Big Picture: Hurricane season starts May 15; a typical season in Western Mexico coastal states has 15 named hurricanes; most of the storms form and are concentrated in the Pacific waters west of Mexico. What happens is that the jet stream pulls a storm northward from the Eastern Pacific tropics, it brings moisture with it. That moisture can then fuel heavy rain in the western Mexico.

For example, in August, September, October this year, Jalisco, and Nayarit experienced strong wind gusts, periods of heavy rain, and rough surf. In Tepic, Nayarit, up to 100 mm (3.94 in) of rainfall per hour was recorded on August 7. Interaction of multiple weather systems, including inflow derived from Ivo, brought heavy rains to Sinaloa, where a record 118.7 mm (4.67 in) of rain fell in Mazatlán, about 5 hour’s drive north of La Penita, in 24 hours. The graphic lists the rainfall for Jaltemba Bay this year.

Even if a coastal community is spared from actual hurricane wind damage, there are serious after affects that need to be addressed. Coastal erosion and infrastructure damage pose significant threats to Mexico’s West Coast during Pacific hurricanes. Water contamination and health risks increase, affecting communities along the coast. Economic repercussions from tourism and fishing industry losses exacerbate post-hurricane challenges. Urgent pro-active action and recovery measures are essential to safeguard communities, biodiversity, and livelihoods.

Recovery efforts post-storm focus on restoring the economic stability of these communities and reviving livelihood opportunities. Rebuilding infrastructure, supporting local businesses, and providing financial aid are crucial steps in mitigating the economic fallout. The resilience of coastal communities is tested as they work to bounce back from the devastating economic consequences of Pacific hurricanes. The Jaltemba Bay towns not only set to work to clean up their towns, but they established collection centers for those in need from the devastated towns. This is a strong community that pulls together, out of love for this area, love of their family, and love of the environment.

It will take a lot more than a few hurricanes to knock down the dedicated people of Jaltemba Bay!