23 (木)	04:15	10:18	16:21	22:47
	141cm	49cm	142cm	35cm
大潮 出 05:22 入 17:31 出 18:46 入 07:15

苫小牧（北海道）2021年09月23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
9/23 00:00	57.3	↑2.9
9/23 00:10	60.5	↑3.2
9/23 00:20	64.0	↑3.5
9/23 00:30	67.7	↑3.7
9/23 00:40	71.7	↑4.0
9/23 00:50	75.9	↑4.2
9/23 01:00	80.3	↑4.4
9/23 01:10	84.8	↑4.5
9/23 01:20	89.4	↑4.6
9/23 01:30	94.1	↑4.7	最大潮位差
9/23 01:40	98.8	↑4.7	最大潮位差
9/23 01:50	103.4	↑4.6
9/23 02:00	108.0	↑4.6
9/23 02:10	112.4	↑4.4
9/23 02:20	116.6	↑4.2
9/23 02:30	120.6	↑4.0
9/23 02:40	124.3	↑3.7
9/23 02:50	127.6	↑3.3
9/23 03:00	130.6	↑3.0
9/23 03:10	133.3	↑2.7
9/23 03:20	135.5	↑2.2
9/23 03:30	137.3	↑1.8
9/23 03:40	138.8	↑1.5
9/23 03:50	139.8	↑1.0
9/23 04:00	140.5	↑0.7
9/23 04:10	140.8	↑0.3	満潮
9/23 04:20	140.8	0
9/23 04:30	140.4	↓-0.4
9/23 04:40	139.8	↓-0.6
9/23 04:50	138.9	↓-0.9
9/23 05:00	137.7	↓-1.2
9/23 05:10	136.2	↓-1.5
9/23 05:20	134.5	↓-1.7
9/23 05:30	132.6	↓-1.9
9/23 05:40	130.4	↓-2.2
9/23 05:50	128.0	↓-2.4
9/23 06:00	125.4	↓-2.6
9/23 06:10	122.5	↓-2.9
9/23 06:20	119.4	↓-3.1
9/23 06:30	116.1	↓-3.3
9/23 06:40	112.6	↓-3.5
9/23 06:50	109.0	↓-3.6
9/23 07:00	105.1	↓-3.9
9/23 07:10	101.1	↓-4.0
9/23 07:20	97.0	↓-4.1
9/23 07:30	92.8	↓-4.2
9/23 07:40	88.6	↓-4.2
9/23 07:50	84.4	↓-4.2
9/23 08:00	80.2	↓-4.2
9/23 08:10	76.2	↓-4.0
9/23 08:20	72.3	↓-3.9
9/23 08:30	68.6	↓-3.7
9/23 08:40	65.1	↓-3.5
9/23 08:50	61.9	↓-3.2
9/23 09:00	59.0	↓-2.9
9/23 09:10	56.5	↓-2.5
9/23 09:20	54.2	↓-2.3
9/23 09:30	52.4	↓-1.8
9/23 09:40	50.9	↓-1.5
9/23 09:50	49.8	↓-1.1
9/23 10:00	49.1	↓-0.7
9/23 10:10	48.7	↓-0.4	干潮
9/23 10:20	48.6	↓-0.1
9/23 10:30	48.8	↑0.2
9/23 10:40	49.4	↑0.6
9/23 10:50	50.2	↑0.8
9/23 11:00	51.3	↑1.1
9/23 11:10	52.6	↑1.3
9/23 11:20	54.1	↑1.5
9/23 11:30	55.9	↑1.8
9/23 11:40	57.9	↑2.0
9/23 11:50	60.2	↑2.3
9/23 12:00	62.6	↑2.4
9/23 12:10	65.3	↑2.7
9/23 12:20	68.2	↑2.9
9/23 12:30	71.3	↑3.1
9/23 12:40	74.7	↑3.4
9/23 12:50	78.2	↑3.5
9/23 13:00	81.9	↑3.7
9/23 13:10	85.8	↑3.9
9/23 13:20	89.9	↑4.1
9/23 13:30	94.0	↑4.1
9/23 13:40	98.2	↑4.2
9/23 13:50	102.5	↑4.3
9/23 14:00	106.7	↑4.2
9/23 14:10	110.9	↑4.2
9/23 14:20	115.0	↑4.1
9/23 14:30	118.9	↑3.9
9/23 14:40	122.6	↑3.7
9/23 14:50	126.0	↑3.4
9/23 15:00	129.1	↑3.1
9/23 15:10	132.0	↑2.9
9/23 15:20	134.4	↑2.4
9/23 15:30	136.5	↑2.1
9/23 15:40	138.2	↑1.7
9/23 15:50	139.5	↑1.3
9/23 16:00	140.4	↑0.9
9/23 16:10	141.0	↑0.6
9/23 16:20	141.2	↑0.2	満潮
9/23 16:30	141.0	↓-0.2
9/23 16:40	140.5	↓-0.5
9/23 16:50	139.8	↓-0.7
9/23 17:00	138.7	↓-1.1
9/23 17:10	137.3	↓-1.4
9/23 17:20	135.7	↓-1.6
9/23 17:30	133.9	↓-1.8
9/23 17:40	131.8	↓-2.1
9/23 17:50	129.5	↓-2.3
9/23 18:00	127.0	↓-2.5
9/23 18:10	124.2	↓-2.8
9/23 18:20	121.3	↓-2.9
9/23 18:30	118.1	↓-3.2
9/23 18:40	114.6	↓-3.5
9/23 18:50	111.0	↓-3.6
9/23 19:00	107.2	↓-3.8
9/23 19:10	103.1	↓-4.1
9/23 19:20	98.9	↓-4.2
9/23 19:30	94.5	↓-4.4
9/23 19:40	90.0	↓-4.5
9/23 19:50	85.4	↓-4.6
9/23 20:00	80.8	↓-4.6
9/23 20:10	76.2	↓-4.6
9/23 20:20	71.6	↓-4.6
9/23 20:30	67.1	↓-4.5
9/23 20:40	62.7	↓-4.4
9/23 20:50	58.5	↓-4.2
9/23 21:00	54.6	↓-3.9
9/23 21:10	50.9	↓-3.7
9/23 21:20	47.6	↓-3.3
9/23 21:30	44.6	↓-3.0
9/23 21:40	41.9	↓-2.7
9/23 21:50	39.7	↓-2.2
9/23 22:00	37.8	↓-1.9
9/23 22:10	36.3	↓-1.5
9/23 22:20	35.2	↓-1.1
9/23 22:30	34.5	↓-0.7
9/23 22:40	34.1	↓-0.4	干潮
9/23 22:50	34.1	0
9/23 23:00	34.4	↑0.3
9/23 23:10	35.0	↑0.6
9/23 23:20	36.0	↑1.0
9/23 23:30	37.2	↑1.2
9/23 23:40	38.7	↑1.5
9/23 23:50	40.5	↑1.8