11 (月)	06:53	11:36	17:23	-
	117cm	88cm	147cm	-
中潮 出 05:42 入 17:00 出 11:18 入 20:12

苫小牧（北海道）2021年10月11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
10/11 00:00	10.1	↑0.1
10/11 00:10	10.5	↑0.4
10/11 00:20	11.3	↑0.8
10/11 00:30	12.4	↑1.1
10/11 00:40	13.8	↑1.4
10/11 00:50	15.4	↑1.6
10/11 01:00	17.3	↑1.9
10/11 01:10	19.4	↑2.1
10/11 01:20	21.7	↑2.3
10/11 01:30	24.2	↑2.5
10/11 01:40	26.8	↑2.6
10/11 01:50	29.7	↑2.9
10/11 02:00	32.7	↑3.0
10/11 02:10	36.0	↑3.3
10/11 02:20	39.3	↑3.3
10/11 02:30	42.9	↑3.6
10/11 02:40	46.6	↑3.7
10/11 02:50	50.5	↑3.9
10/11 03:00	54.5	↑4.0
10/11 03:10	58.6	↑4.1
10/11 03:20	62.8	↑4.2
10/11 03:30	67.1	↑4.3
10/11 03:40	71.4	↑4.3
10/11 03:50	75.7	↑4.3
10/11 04:00	79.9	↑4.2
10/11 04:10	84.0	↑4.1
10/11 04:20	88.0	↑4.0
10/11 04:30	91.8	↑3.8
10/11 04:40	95.4	↑3.6
10/11 04:50	98.8	↑3.4
10/11 05:00	101.9	↑3.1
10/11 05:10	104.7	↑2.8
10/11 05:20	107.2	↑2.5
10/11 05:30	109.3	↑2.1
10/11 05:40	111.2	↑1.9
10/11 05:50	112.8	↑1.6
10/11 06:00	114.0	↑1.2
10/11 06:10	115.0	↑1.0
10/11 06:20	115.8	↑0.8
10/11 06:30	116.3	↑0.5
10/11 06:40	116.6	↑0.3
10/11 06:50	116.7	↑0.1	満潮
10/11 07:00	116.7	0
10/11 07:10	116.5	↓-0.2
10/11 07:20	116.2	↓-0.3
10/11 07:30	115.7	↓-0.5
10/11 07:40	115.2	↓-0.5
10/11 07:50	114.5	↓-0.7
10/11 08:00	113.8	↓-0.7
10/11 08:10	112.9	↓-0.9
10/11 08:20	112.0	↓-0.9
10/11 08:30	110.9	↓-1.1
10/11 08:40	109.8	↓-1.1
10/11 08:50	108.5	↓-1.3
10/11 09:00	107.1	↓-1.4
10/11 09:10	105.6	↓-1.5
10/11 09:20	104.1	↓-1.5
10/11 09:30	102.5	↓-1.6
10/11 09:40	100.8	↓-1.7
10/11 09:50	99.1	↓-1.7
10/11 10:00	97.4	↓-1.7
10/11 10:10	95.8	↓-1.6
10/11 10:20	94.2	↓-1.6
10/11 10:30	92.8	↓-1.4
10/11 10:40	91.4	↓-1.4
10/11 10:50	90.3	↓-1.1
10/11 11:00	89.3	↓-1.0
10/11 11:10	88.6	↓-0.7
10/11 11:20	88.1	↓-0.5
10/11 11:30	87.8	↓-0.3	干潮
10/11 11:40	87.8	0
10/11 11:50	88.0	↑0.2
10/11 12:00	88.5	↑0.5
10/11 12:10	89.3	↑0.8
10/11 12:20	90.2	↑0.9
10/11 12:30	91.3	↑1.1
10/11 12:40	92.7	↑1.4
10/11 12:50	94.2	↑1.5
10/11 13:00	95.8	↑1.6
10/11 13:10	97.5	↑1.7
10/11 13:20	99.4	↑1.9
10/11 13:30	101.3	↑1.9
10/11 13:40	103.3	↑2.0
10/11 13:50	105.4	↑2.1
10/11 14:00	107.5	↑2.1
10/11 14:10	109.7	↑2.2
10/11 14:20	112.0	↑2.3
10/11 14:30	114.3	↑2.3
10/11 14:40	116.6	↑2.3
10/11 14:50	119.0	↑2.4
10/11 15:00	121.4	↑2.4
10/11 15:10	123.9	↑2.5
10/11 15:20	126.4	↑2.5
10/11 15:30	128.8	↑2.4
10/11 15:40	131.2	↑2.4
10/11 15:50	133.6	↑2.4
10/11 16:00	135.9	↑2.3
10/11 16:10	138.0	↑2.1
10/11 16:20	140.0	↑2.0
10/11 16:30	141.8	↑1.8
10/11 16:40	143.3	↑1.5
10/11 16:50	144.5	↑1.2
10/11 17:00	145.5	↑1.0
10/11 17:10	146.1	↑0.6
10/11 17:20	146.3	↑0.2	満潮
10/11 17:30	146.2	↓-0.1
10/11 17:40	145.7	↓-0.5
10/11 17:50	144.8	↓-0.9
10/11 18:00	143.5	↓-1.3
10/11 18:10	141.9	↓-1.6
10/11 18:20	139.9	↓-2.0
10/11 18:30	137.6	↓-2.3
10/11 18:40	134.9	↓-2.7
10/11 18:50	132.0	↓-2.9
10/11 19:00	128.9	↓-3.1
10/11 19:10	125.5	↓-3.4
10/11 19:20	122.0	↓-3.5
10/11 19:30	118.3	↓-3.7
10/11 19:40	114.4	↓-3.9
10/11 19:50	110.5	↓-3.9
10/11 20:00	106.5	↓-4.0
10/11 20:10	102.4	↓-4.1
10/11 20:20	98.2	↓-4.2
10/11 20:30	94.0	↓-4.2
10/11 20:40	89.7	↓-4.3
10/11 20:50	85.3	↓-4.4
10/11 21:00	81.0	↓-4.3
10/11 21:10	76.6	↓-4.4
10/11 21:20	72.2	↓-4.4
10/11 21:30	67.7	↓-4.5	最大潮位差
10/11 21:40	63.3	↓-4.4
10/11 21:50	58.9	↓-4.4
10/11 22:00	54.6	↓-4.3
10/11 22:10	50.4	↓-4.2
10/11 22:20	46.2	↓-4.2
10/11 22:30	42.3	↓-3.9
10/11 22:40	38.4	↓-3.9
10/11 22:50	34.8	↓-3.6
10/11 23:00	31.5	↓-3.3
10/11 23:10	28.4	↓-3.1
10/11 23:20	25.6	↓-2.8
10/11 23:30	23.2	↓-2.4
10/11 23:40	21.0	↓-2.2
10/11 23:50	19.2	↓-1.8