7 (木)	03:32	09:38	15:34	21:56
	141cm	42cm	139cm	26cm
大潮 出 05:37 入 17:07 出 06:07 入 17:43

苫小牧（北海道）2021年10月7日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
10/7 00:00	74.4	↑3.9
10/7 00:10	78.5	↑4.1
10/7 00:20	82.8	↑4.3
10/7 00:30	87.1	↑4.3
10/7 00:40	91.6	↑4.5
10/7 00:50	96.1	↑4.5
10/7 01:00	100.6	↑4.5
10/7 01:10	105.1	↑4.5
10/7 01:20	109.5	↑4.4
10/7 01:30	113.8	↑4.3
10/7 01:40	117.8	↑4.0
10/7 01:50	121.7	↑3.9
10/7 02:00	125.2	↑3.5
10/7 02:10	128.5	↑3.3
10/7 02:20	131.4	↑2.9
10/7 02:30	133.9	↑2.5
10/7 02:40	136.1	↑2.2
10/7 02:50	137.9	↑1.8
10/7 03:00	139.2	↑1.3
10/7 03:10	140.2	↑1.0
10/7 03:20	140.8	↑0.6
10/7 03:30	141.0	↑0.2	満潮
10/7 03:40	140.8	↓-0.2
10/7 03:50	140.3	↓-0.5
10/7 04:00	139.5	↓-0.8
10/7 04:10	138.4	↓-1.1
10/7 04:20	137.0	↓-1.4
10/7 04:30	135.3	↓-1.7
10/7 04:40	133.4	↓-1.9
10/7 04:50	131.3	↓-2.1
10/7 05:00	128.9	↓-2.4
10/7 05:10	126.3	↓-2.6
10/7 05:20	123.4	↓-2.9
10/7 05:30	120.4	↓-3.0
10/7 05:40	117.1	↓-3.3
10/7 05:50	113.6	↓-3.5
10/7 06:00	109.9	↓-3.7
10/7 06:10	106.1	↓-3.8
10/7 06:20	102.0	↓-4.1
10/7 06:30	97.9	↓-4.1
10/7 06:40	93.6	↓-4.3
10/7 06:50	89.2	↓-4.4
10/7 07:00	84.7	↓-4.5
10/7 07:10	80.3	↓-4.4
10/7 07:20	75.9	↓-4.4
10/7 07:30	71.6	↓-4.3
10/7 07:40	67.5	↓-4.1
10/7 07:50	63.5	↓-4.0
10/7 08:00	59.8	↓-3.7
10/7 08:10	56.3	↓-3.5
10/7 08:20	53.2	↓-3.1
10/7 08:30	50.4	↓-2.8
10/7 08:40	48.0	↓-2.4
10/7 08:50	45.9	↓-2.1
10/7 09:00	44.3	↓-1.6
10/7 09:10	43.0	↓-1.3
10/7 09:20	42.2	↓-0.8
10/7 09:30	41.7	↓-0.5	干潮
10/7 09:40	41.6	↓-0.1
10/7 09:50	41.9	↑0.3
10/7 10:00	42.5	↑0.6
10/7 10:10	43.5	↑1.0
10/7 10:20	44.7	↑1.2
10/7 10:30	46.2	↑1.5
10/7 10:40	48.0	↑1.8
10/7 10:50	50.1	↑2.1
10/7 11:00	52.4	↑2.3
10/7 11:10	54.9	↑2.5
10/7 11:20	57.7	↑2.8
10/7 11:30	60.6	↑2.9
10/7 11:40	63.8	↑3.2
10/7 11:50	67.2	↑3.4
10/7 12:00	70.8	↑3.6
10/7 12:10	74.6	↑3.8
10/7 12:20	78.6	↑4.0
10/7 12:30	82.7	↑4.1
10/7 12:40	87.0	↑4.3
10/7 12:50	91.3	↑4.3
10/7 13:00	95.7	↑4.4
10/7 13:10	100.1	↑4.4
10/7 13:20	104.5	↑4.4
10/7 13:30	108.8	↑4.3
10/7 13:40	113.0	↑4.2
10/7 13:50	117.0	↑4.0
10/7 14:00	120.8	↑3.8
10/7 14:10	124.3	↑3.5
10/7 14:20	127.5	↑3.2
10/7 14:30	130.4	↑2.9
10/7 14:40	132.8	↑2.4
10/7 14:50	134.9	↑2.1
10/7 15:00	136.5	↑1.6
10/7 15:10	137.7	↑1.2
10/7 15:20	138.4	↑0.7
10/7 15:30	138.8	↑0.4	満潮
10/7 15:40	138.7	↓-0.1
10/7 15:50	138.2	↓-0.5
10/7 16:00	137.4	↓-0.8
10/7 16:10	136.2	↓-1.2
10/7 16:20	134.7	↓-1.5
10/7 16:30	132.9	↓-1.8
10/7 16:40	130.8	↓-2.1
10/7 16:50	128.5	↓-2.3
10/7 17:00	125.9	↓-2.6
10/7 17:10	123.1	↓-2.8
10/7 17:20	120.1	↓-3.0
10/7 17:30	116.8	↓-3.3
10/7 17:40	113.4	↓-3.4
10/7 17:50	109.8	↓-3.6
10/7 18:00	106.0	↓-3.8
10/7 18:10	102.0	↓-4.0
10/7 18:20	97.8	↓-4.2
10/7 18:30	93.5	↓-4.3
10/7 18:40	89.1	↓-4.4
10/7 18:50	84.5	↓-4.6
10/7 19:00	79.9	↓-4.6
10/7 19:10	75.2	↓-4.7
10/7 19:20	70.4	↓-4.8	最大潮位差
10/7 19:30	65.8	↓-4.6
10/7 19:40	61.1	↓-4.7
10/7 19:50	56.6	↓-4.5
10/7 20:00	52.3	↓-4.3
10/7 20:10	48.1	↓-4.2
10/7 20:20	44.3	↓-3.8
10/7 20:30	40.7	↓-3.6
10/7 20:40	37.5	↓-3.2
10/7 20:50	34.6	↓-2.9
10/7 21:00	32.1	↓-2.5
10/7 21:10	30.1	↓-2.0
10/7 21:20	28.4	↓-1.7
10/7 21:30	27.2	↓-1.2
10/7 21:40	26.4	↓-0.8
10/7 21:50	26.0	↓-0.4	干潮
10/7 22:00	26.0	0
10/7 22:10	26.3	↑0.3
10/7 22:20	27.0	↑0.7
10/7 22:30	28.1	↑1.1
10/7 22:40	29.5	↑1.4
10/7 22:50	31.1	↑1.6
10/7 23:00	33.1	↑2.0
10/7 23:10	35.3	↑2.2
10/7 23:20	37.8	↑2.5
10/7 23:30	40.5	↑2.7
10/7 23:40	43.5	↑3.0
10/7 23:50	46.7	↑3.2