北海道:苫小牧の 潮汐 2025年05月17日(土) 潮時(分),潮位(p) 0,97.7 20,99.8 40,102.3 60,105.1 80,108 100,111.1 120,114.4 140,117.8 160,121.2 180,124.8 200,128.2 220,131.3 240,133.7 260,135.3 280,135.7 300,134.8 320,132.5 340,128.8 360,123.7 380,117.6 400,110.7 420,103.2 440,95.3 460,87.2 480,78.9 500,70.5 520,62 540,53.6 560,45.3 580,37.2 600,29.7 620,23 640,17.3 660,12.8 680,9.7 700,8 720,7.6 740,8.6 760,10.6 780,13.5 800,17.3 820,21.6 840,26.6 860,32.2 880,38.3 900,45.1 920,52.3 940,59.9 960,67.6 980,75.2 1000,82.4 1020,89 1040,94.8 1060,99.6 1080,103.3 1100,106.2 1120,108.3 1140,109.7 1160,110.6 1180,111.2 1200,111.4 1220,111.3 1240,110.9 1260,110 1280,108.8 1300,107.1 1320,105.1 1340,103.1 1360,101.1 1380,99.4 1400,98.3 1420,97.7 1440,97.9