20 (金)	03:13	07:29	13:05	20:29
	116cm	92cm	134cm	12cm
中潮 出 06:24 入 17:13 出 14:51 入 04:31

苫小牧（北海道）2054年02月20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
2/20 00:00	84.8	↑3.4
2/20 00:10	88.1	↑3.3
2/20 00:20	91.1	↑3.0
2/20 00:30	94.1	↑3.0
2/20 00:40	96.8	↑2.7
2/20 00:50	99.3	↑2.5
2/20 01:00	101.6	↑2.3
2/20 01:10	103.8	↑2.2
2/20 01:20	105.7	↑1.9
2/20 01:30	107.5	↑1.8
2/20 01:40	109.0	↑1.5
2/20 01:50	110.4	↑1.4
2/20 02:00	111.7	↑1.3
2/20 02:10	112.8	↑1.1
2/20 02:20	113.7	↑0.9
2/20 02:30	114.4	↑0.7
2/20 02:40	115.0	↑0.6
2/20 02:50	115.4	↑0.4
2/20 03:00	115.7	↑0.3
2/20 03:10	115.8	↑0.1	満潮
2/20 03:20	115.8	0
2/20 03:30	115.6	↓-0.2
2/20 03:40	115.2	↓-0.4
2/20 03:50	114.6	↓-0.6
2/20 04:00	113.9	↓-0.7
2/20 04:10	113.0	↓-0.9
2/20 04:20	112.0	↓-1.0
2/20 04:30	110.8	↓-1.2
2/20 04:40	109.5	↓-1.3
2/20 04:50	108.1	↓-1.4
2/20 05:00	106.7	↓-1.4
2/20 05:10	105.1	↓-1.6
2/20 05:20	103.6	↓-1.5
2/20 05:30	102.0	↓-1.6
2/20 05:40	100.5	↓-1.5
2/20 05:50	99.1	↓-1.4
2/20 06:00	97.7	↓-1.4
2/20 06:10	96.4	↓-1.3
2/20 06:20	95.3	↓-1.1
2/20 06:30	94.3	↓-1.0
2/20 06:40	93.4	↓-0.9
2/20 06:50	92.7	↓-0.7
2/20 07:00	92.2	↓-0.5
2/20 07:10	91.8	↓-0.4
2/20 07:20	91.6	↓-0.2	干潮
2/20 07:30	91.6	0
2/20 07:40	91.7	↑0.1
2/20 07:50	91.9	↑0.2
2/20 08:00	92.3	↑0.4
2/20 08:10	92.8	↑0.5
2/20 08:20	93.4	↑0.6
2/20 08:30	94.1	↑0.7
2/20 08:40	94.9	↑0.8
2/20 08:50	95.8	↑0.9
2/20 09:00	96.9	↑1.1
2/20 09:10	98.0	↑1.1
2/20 09:20	99.2	↑1.2
2/20 09:30	100.6	↑1.4
2/20 09:40	102.0	↑1.4
2/20 09:50	103.5	↑1.5
2/20 10:00	105.2	↑1.7
2/20 10:10	106.9	↑1.7
2/20 10:20	108.8	↑1.9
2/20 10:30	110.7	↑1.9
2/20 10:40	112.7	↑2.0
2/20 10:50	114.7	↑2.0
2/20 11:00	116.8	↑2.1
2/20 11:10	118.8	↑2.0
2/20 11:20	120.8	↑2.0
2/20 11:30	122.8	↑2.0
2/20 11:40	124.7	↑1.9
2/20 11:50	126.4	↑1.7
2/20 12:00	128.0	↑1.6
2/20 12:10	129.4	↑1.4
2/20 12:20	130.7	↑1.3
2/20 12:30	131.7	↑1.0
2/20 12:40	132.4	↑0.7
2/20 12:50	132.9	↑0.5
2/20 13:00	133.2	↑0.3	満潮
2/20 13:10	133.1	↓-0.1
2/20 13:20	132.9	↓-0.2
2/20 13:30	132.3	↓-0.6
2/20 13:40	131.5	↓-0.8
2/20 13:50	130.5	↓-1.0
2/20 14:00	129.2	↓-1.3
2/20 14:10	127.7	↓-1.5
2/20 14:20	125.9	↓-1.8
2/20 14:30	124.0	↓-1.9
2/20 14:40	121.9	↓-2.1
2/20 14:50	119.5	↓-2.4
2/20 15:00	117.0	↓-2.5
2/20 15:10	114.3	↓-2.7
2/20 15:20	111.4	↓-2.9
2/20 15:30	108.3	↓-3.1
2/20 15:40	105.1	↓-3.2
2/20 15:50	101.6	↓-3.5
2/20 16:00	98.0	↓-3.6
2/20 16:10	94.2	↓-3.8
2/20 16:20	90.2	↓-4.0
2/20 16:30	86.0	↓-4.2
2/20 16:40	81.7	↓-4.3
2/20 16:50	77.3	↓-4.4
2/20 17:00	72.8	↓-4.5
2/20 17:10	68.2	↓-4.6
2/20 17:20	63.6	↓-4.6
2/20 17:30	58.9	↓-4.7	最大潮位差
2/20 17:40	54.3	↓-4.6
2/20 17:50	49.8	↓-4.5
2/20 18:00	45.4	↓-4.4
2/20 18:10	41.1	↓-4.3
2/20 18:20	37.1	↓-4.0
2/20 18:30	33.3	↓-3.8
2/20 18:40	29.7	↓-3.6
2/20 18:50	26.4	↓-3.3
2/20 19:00	23.4	↓-3.0
2/20 19:10	20.7	↓-2.7
2/20 19:20	18.3	↓-2.4
2/20 19:30	16.3	↓-2.0
2/20 19:40	14.6	↓-1.7
2/20 19:50	13.3	↓-1.3
2/20 20:00	12.2	↓-1.1
2/20 20:10	11.5	↓-0.7
2/20 20:20	11.1	↓-0.4	干潮
2/20 20:30	11.0	↓-0.1
2/20 20:40	11.3	↑0.3
2/20 20:50	11.8	↑0.5
2/20 21:00	12.6	↑0.8
2/20 21:10	13.6	↑1.0
2/20 21:20	15.0	↑1.4
2/20 21:30	16.6	↑1.6
2/20 21:40	18.5	↑1.9
2/20 21:50	20.7	↑2.2
2/20 22:00	23.2	↑2.5
2/20 22:10	25.9	↑2.7
2/20 22:20	28.9	↑3.0
2/20 22:30	32.2	↑3.3
2/20 22:40	35.7	↑3.5
2/20 22:50	39.4	↑3.7
2/20 23:00	43.4	↑4.0
2/20 23:10	47.5	↑4.1
2/20 23:20	51.8	↑4.3
2/20 23:30	56.2	↑4.4
2/20 23:40	60.6	↑4.4
2/20 23:50	65.1	↑4.5