<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:video="http://www.google.com/schemas/sitemap-video/1.1">
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2026-03-09</lastmod>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/lithium-fire-safety</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
    <lastmod>2026-03-09</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/a56ec2ab-d3de-4ab7-a74a-d92f6f908197/Thermalrunaway.png</image:loc>
      <image:title>Blog - Lithium Battery Fire Safety for Boaters: What You Need to Know - Make it stand out</image:title>
      <image:caption>Thermal runaway occurs when a lithium battery begins producing heat faster than it can cool, potentially leading to fire or gas venting.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/9c227500-43c3-4e3f-865a-162c4ce6c9cb/Firespread.png</image:loc>
      <image:title>Blog - Lithium Battery Fire Safety for Boaters: What You Need to Know - Make it stand out</image:title>
      <image:caption>When one battery in a bank overheats, it can trigger neighboring cells, creating a rapid fire escalation.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/16ca8581-5cc4-4cd4-a7da-7e4c2f4a8e93/bank+of+batteries.jpg</image:loc>
      <image:title>Blog - Lithium Battery Fire Safety for Boaters: What You Need to Know - Make it stand out</image:title>
      <image:caption>Bank of lithium batteries</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/81a90f2d-5d32-44d7-9c45-90027a000d33/Fireblanket.png</image:loc>
      <image:title>Blog - Lithium Battery Fire Safety for Boaters: What You Need to Know - Make it stand out</image:title>
      <image:caption>A fire blanket can smother flames or provide a temporary shield while exiting a vessel.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/the-role-of-zincs-in-a-marine-survey</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
    <lastmod>2026-02-27</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/98f12b79-8332-4e9b-a972-75ee0d9f61ea/Marine+Survey+Missing+Anode.png</image:loc>
      <image:title>Blog - Understanding the Importance of Zincs in Marine Surveys - Make it stand out</image:title>
      <image:caption>In this survey we see the zinc is missing entirely (upper right photo) and recommend replacement</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/10490806-9850-4e67-9d64-8643efcf06b3/Prop+anode+missing.png</image:loc>
      <image:title>Blog - Understanding the Importance of Zincs in Marine Surveys - Make it stand out</image:title>
      <image:caption>In this marine survey we recommended installing a zinc propeller hub anode in order to protect the propeller and shaft.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/e1cae058-5db4-40b0-a8ad-9638cea8cefc/Cracked+anode.png</image:loc>
      <image:title>Blog - Understanding the Importance of Zincs in Marine Surveys - Make it stand out</image:title>
      <image:caption>We recommended replacing this cracked anode as it could have fallen off unbeknownst to the owner.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/aed97a76-9f7b-4dce-9e40-6a9c8ab061a6/Prop+hub+anode.png</image:loc>
      <image:title>Blog - Understanding the Importance of Zincs in Marine Surveys - Make it stand out</image:title>
      <image:caption>In this survey we recommended replacing the propeller hub anode, the shaft anode was in good condition.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/guide-to-boat-moisture-readings</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
    <lastmod>2026-02-27</lastmod>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/maine-marine-surveyor</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
    <lastmod>2025-02-22</lastmod>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/tag/marine+survey</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/tag/Portland+marine+surveyor</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/tag/boat+survey+prices</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/tag/Maine+Marine+Surveyor</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/tag/marine+surveyor+maine</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/tag/Marine+surveyor+near+me</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/tag/maine+boat+surveyor</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/tag/maine+marine+surveyor</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/tag/boat+appraisal</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/tag/Casco+Bay</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/tag/boat+moisture+reading</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/tag/boat+inspection</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/tag/surveyor+boat</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/tag/boat+surveyor</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/blog-maine-marine-surveyor/tag/boat+survey</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/about-john-sewall-marine-surveyor</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2026-02-27</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/61240f75-0791-4981-b2ac-c447316478e7/Johnboatcrop.PNG</image:loc>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/2cefb3ed-027d-413e-a8f5-6e2f1c55b15c/NAMSlogo.PNG</image:loc>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/6d1f58ad-55e6-457c-a292-0a01f9015530/ABYC.PNG</image:loc>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/26ad570b-1325-4f88-ae98-b4114005a8be/STLE.PNG</image:loc>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/82693b0f-8355-4d27-a0ff-74eef701ff5d/propellerclub.PNG</image:loc>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/8e9ed81c-1abc-4314-8a80-54ec9c28bbb4/USN.PNG</image:loc>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/6c89cfdd-9dda-412e-9883-823dc494296f/MMA.PNG</image:loc>
    </image:image>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/home</loc>
    <changefreq>daily</changefreq>
    <priority>1.0</priority>
    <lastmod>2026-03-11</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/81ee08c8-a3e7-4087-8a4f-602069c5052b/bowrailandcleat.png</image:loc>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/a1c85120-abbe-473e-bd62-3296d9f66ba1/Boatinsling.jpg</image:loc>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/61240f75-0791-4981-b2ac-c447316478e7/Johnboatcrop.PNG</image:loc>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/7a20aebd-c920-48b8-8960-ea91390bb10b/Red6.jpg</image:loc>
    </image:image>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/marine-surveys-in-maine</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2025-02-22</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/4fabdc05-d276-48b6-97bf-711412e1a9d8/yachtsurveyv3.png</image:loc>
    </image:image>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/contact-john-sewall-marine-surveyor</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2026-03-11</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/2d48a94e-297b-43b1-90a9-b4fd01f769c7/Islandv1.png</image:loc>
    </image:image>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/boat-survey-pre-purchase</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2026-02-27</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/9da89c5e-8485-4205-b7bf-62d7d996b6f4/prepurchase-sailrail.jpg</image:loc>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/30b7a6e5-5195-4949-b7d3-123c7c4b64be/prepurchase3mast.jpg</image:loc>
    </image:image>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/insurance-boat-survey</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2025-02-23</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/5ee8f279-9c1b-46ec-a8b4-925015b782e7/insuranceboatrail.jpg</image:loc>
    </image:image>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/boat-survey-cost</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2025-11-21</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/aba94a64-887d-4549-9e0a-60670315104d/costmarina.jpg</image:loc>
    </image:image>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/oil-analysis-consulting-1</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2026-02-27</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/94904b48-1308-42e6-b05d-0a6a28eea36b/Oil+Sample+sheet.png</image:loc>
    </image:image>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/marine-surveyor-portland-maine</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2026-02-27</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/00c54c36-567d-48a6-a189-e7a9e72b0f2c/portland+lighthouse+%289%29.JPG</image:loc>
    </image:image>
  </url>
  <url>
    <loc>https://www.sewallmarinesurveying.com/contact</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2026-03-11</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/6786c0e224b9181266b4220b/4cb4b53e-1b4b-45f8-b005-cc646cc01663/Jewel.jpg</image:loc>
    </image:image>
  </url>
</urlset>

