北海道:室蘭の 潮汐 2023年10月18日(水) 潮時(分),0,20,40,60,80,100,120,140,160,180,200,220,240,260,280,300,320,340,360,380,400,420,440,460,480,500,520,540,560,580,600,620,640,660,680,700,720,740,760,780,800,820,840,860,880,900,920,940,960,980,1000,1020,1040,1060,1080,1100,1120,1140,1160,1180,1200,1220,1240,1260,1280,1300,1320,1340,1360,1380,1400,1420,1440 潮位(p),33.9,39.8,45.1,50.1,55.4,61.6,69.2,78.7,89.6,101.6,113.5,124.3,133,138.9,141.8,142,140.2,137.2,134,131.3,129.4,128.4,127.6,126.5,124.4,120.7,115.3,108.6,101.2,94.3,88.7,85.2,84.4,86.2,90.2,95.6,101.4,106.9,111.6,115.3,118.2,121,124.3,128.7,134.3,141.1,148.4,155.4,160.9,164,164.1,161,154.9,146.6,136.9,126.9,117.3,108.5,100.7,93.3,86,78,68.9,58.8,47.9,37,27.1,19,13.6,11.3,12.2,15.6,20.9