19 (土)	05:38	11:31	17:14	23:36
	130cm	55cm	133cm	35cm
中潮 出 06:26 入 17:11 出 08:23 入 20:41

苫小牧（北海道）2056年02月19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
2/19 00:00	30.3	↑1.3
2/19 00:10	31.8	↑1.5
2/19 00:20	33.6	↑1.8
2/19 00:30	35.6	↑2.0
2/19 00:40	37.8	↑2.2
2/19 00:50	40.2	↑2.4
2/19 01:00	42.9	↑2.7
2/19 01:10	45.9	↑3.0
2/19 01:20	49.1	↑3.2
2/19 01:30	52.5	↑3.4
2/19 01:40	56.1	↑3.6
2/19 01:50	60.0	↑3.9
2/19 02:00	64.0	↑4.0
2/19 02:10	68.3	↑4.3
2/19 02:20	72.7	↑4.4
2/19 02:30	77.2	↑4.5
2/19 02:40	81.7	↑4.5
2/19 02:50	86.3	↑4.6	最大潮位差
2/19 03:00	90.9	↑4.6	最大潮位差
2/19 03:10	95.4	↑4.5
2/19 03:20	99.7	↑4.3
2/19 03:30	103.9	↑4.2
2/19 03:40	107.9	↑4.0
2/19 03:50	111.5	↑3.6
2/19 04:00	114.9	↑3.4
2/19 04:10	118.0	↑3.1
2/19 04:20	120.7	↑2.7
2/19 04:30	123.0	↑2.3
2/19 04:40	125.0	↑2.0
2/19 04:50	126.7	↑1.7
2/19 05:00	127.9	↑1.2
2/19 05:10	128.9	↑1.0
2/19 05:20	129.5	↑0.6
2/19 05:30	129.8	↑0.3	満潮
2/19 05:40	129.9	↑0.1
2/19 05:50	129.7	↓-0.2
2/19 06:00	129.2	↓-0.5
2/19 06:10	128.6	↓-0.6
2/19 06:20	127.7	↓-0.9
2/19 06:30	126.6	↓-1.1
2/19 06:40	125.4	↓-1.2
2/19 06:50	123.9	↓-1.5
2/19 07:00	122.3	↓-1.6
2/19 07:10	120.4	↓-1.9
2/19 07:20	118.3	↓-2.1
2/19 07:30	116.0	↓-2.3
2/19 07:40	113.6	↓-2.4
2/19 07:50	110.9	↓-2.7
2/19 08:00	107.9	↓-3.0
2/19 08:10	104.8	↓-3.1
2/19 08:20	101.6	↓-3.2
2/19 08:30	98.2	↓-3.4
2/19 08:40	94.6	↓-3.6
2/19 08:50	91.0	↓-3.6
2/19 09:00	87.3	↓-3.7
2/19 09:10	83.7	↓-3.6
2/19 09:20	80.1	↓-3.6
2/19 09:30	76.6	↓-3.5
2/19 09:40	73.2	↓-3.4
2/19 09:50	70.1	↓-3.1
2/19 10:00	67.1	↓-3.0
2/19 10:10	64.5	↓-2.6
2/19 10:20	62.1	↓-2.4
2/19 10:30	60.0	↓-2.1
2/19 10:40	58.3	↓-1.7
2/19 10:50	56.9	↓-1.4
2/19 11:00	55.8	↓-1.1
2/19 11:10	55.1	↓-0.7
2/19 11:20	54.6	↓-0.5
2/19 11:30	54.5	↓-0.1	干潮
2/19 11:40	54.6	↑0.1
2/19 11:50	55.1	↑0.5
2/19 12:00	55.7	↑0.6
2/19 12:10	56.6	↑0.9
2/19 12:20	57.7	↑1.1
2/19 12:30	59.0	↑1.3
2/19 12:40	60.6	↑1.6
2/19 12:50	62.3	↑1.7
2/19 13:00	64.2	↑1.9
2/19 13:10	66.3	↑2.1
2/19 13:20	68.6	↑2.3
2/19 13:30	71.2	↑2.6
2/19 13:40	73.9	↑2.7
2/19 13:50	76.8	↑2.9
2/19 14:00	79.9	↑3.1
2/19 14:10	83.2	↑3.3
2/19 14:20	86.6	↑3.4
2/19 14:30	90.2	↑3.6
2/19 14:40	93.9	↑3.7
2/19 14:50	97.7	↑3.8
2/19 15:00	101.5	↑3.8
2/19 15:10	105.2	↑3.7
2/19 15:20	108.9	↑3.7
2/19 15:30	112.5	↑3.6
2/19 15:40	115.8	↑3.3
2/19 15:50	119.0	↑3.2
2/19 16:00	121.9	↑2.9
2/19 16:10	124.5	↑2.6
2/19 16:20	126.7	↑2.2
2/19 16:30	128.6	↑1.9
2/19 16:40	130.1	↑1.5
2/19 16:50	131.2	↑1.1
2/19 17:00	131.8	↑0.6
2/19 17:10	132.1	↑0.3	満潮
2/19 17:20	132.0	↓-0.1
2/19 17:30	131.6	↓-0.4
2/19 17:40	130.8	↓-0.8
2/19 17:50	129.7	↓-1.1
2/19 18:00	128.4	↓-1.3
2/19 18:10	126.7	↓-1.7
2/19 18:20	124.9	↓-1.8
2/19 18:30	122.8	↓-2.1
2/19 18:40	120.5	↓-2.3
2/19 18:50	118.1	↓-2.4
2/19 19:00	115.5	↓-2.6
2/19 19:10	112.7	↓-2.8
2/19 19:20	109.8	↓-2.9
2/19 19:30	106.7	↓-3.1
2/19 19:40	103.5	↓-3.2
2/19 19:50	100.2	↓-3.3
2/19 20:00	96.7	↓-3.5
2/19 20:10	93.1	↓-3.6
2/19 20:20	89.3	↓-3.8
2/19 20:30	85.4	↓-3.9
2/19 20:40	81.5	↓-3.9
2/19 20:50	77.5	↓-4.0
2/19 21:00	73.4	↓-4.1
2/19 21:10	69.4	↓-4.0
2/19 21:20	65.3	↓-4.1
2/19 21:30	61.4	↓-3.9
2/19 21:40	57.6	↓-3.8
2/19 21:50	54.0	↓-3.6
2/19 22:00	50.6	↓-3.4
2/19 22:10	47.5	↓-3.1
2/19 22:20	44.6	↓-2.9
2/19 22:30	42.1	↓-2.5
2/19 22:40	39.9	↓-2.2
2/19 22:50	38.1	↓-1.8
2/19 23:00	36.7	↓-1.4
2/19 23:10	35.6	↓-1.1
2/19 23:20	34.9	↓-0.7
2/19 23:30	34.5	↓-0.4	干潮
2/19 23:40	34.5	0
2/19 23:50	34.9	↑0.4