11 (土)	05:22	11:25	17:23	23:38
	136cm	45cm	133cm	36cm
中潮 出 06:37 入 17:00 出 21:11 入 07:51

苫小牧（北海道）2012年02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
2/11 00:00	27.9	↑1.6
2/11 00:10	29.9	↑2.0
2/11 00:20	32.0	↑2.1
2/11 00:30	34.5	↑2.5
2/11 00:40	37.2	↑2.7
2/11 00:50	40.1	↑2.9
2/11 01:00	43.3	↑3.2
2/11 01:10	46.7	↑3.4
2/11 01:20	50.3	↑3.6
2/11 01:30	54.2	↑3.9
2/11 01:40	58.2	↑4.0
2/11 01:50	62.5	↑4.3
2/11 02:00	67.0	↑4.5
2/11 02:10	71.6	↑4.6
2/11 02:20	76.4	↑4.8
2/11 02:30	81.3	↑4.9	最大潮位差
2/11 02:40	86.2	↑4.9	最大潮位差
2/11 02:50	91.1	↑4.9	最大潮位差
2/11 03:00	96.0	↑4.9	最大潮位差
2/11 03:10	100.8	↑4.8
2/11 03:20	105.5	↑4.7
2/11 03:30	109.9	↑4.4
2/11 03:40	114.2	↑4.3
2/11 03:50	118.1	↑3.9
2/11 04:00	121.6	↑3.5
2/11 04:10	124.8	↑3.2
2/11 04:20	127.6	↑2.8
2/11 04:30	129.9	↑2.3
2/11 04:40	131.9	↑2.0
2/11 04:50	133.4	↑1.5
2/11 05:00	134.4	↑1.0
2/11 05:10	135.1	↑0.7
2/11 05:20	135.3	↑0.2	満潮
2/11 05:30	135.2	↓-0.1
2/11 05:40	134.7	↓-0.5
2/11 05:50	133.9	↓-0.8
2/11 06:00	132.8	↓-1.1
2/11 06:10	131.4	↓-1.4
2/11 06:20	129.8	↓-1.6
2/11 06:30	128.0	↓-1.8
2/11 06:40	125.9	↓-2.1
2/11 06:50	123.7	↓-2.2
2/11 07:00	121.3	↓-2.4
2/11 07:10	118.6	↓-2.7
2/11 07:20	115.8	↓-2.8
2/11 07:30	112.8	↓-3.0
2/11 07:40	109.7	↓-3.1
2/11 07:50	106.3	↓-3.4
2/11 08:00	102.8	↓-3.5
2/11 08:10	99.2	↓-3.6
2/11 08:20	95.4	↓-3.8
2/11 08:30	91.5	↓-3.9
2/11 08:40	87.6	↓-3.9
2/11 08:50	83.5	↓-4.1
2/11 09:00	79.5	↓-4.0
2/11 09:10	75.5	↓-4.0
2/11 09:20	71.6	↓-3.9
2/11 09:30	67.8	↓-3.8
2/11 09:40	64.2	↓-3.6
2/11 09:50	60.8	↓-3.4
2/11 10:00	57.7	↓-3.1
2/11 10:10	54.8	↓-2.9
2/11 10:20	52.3	↓-2.5
2/11 10:30	50.1	↓-2.2
2/11 10:40	48.3	↓-1.8
2/11 10:50	46.9	↓-1.4
2/11 11:00	45.8	↓-1.1
2/11 11:10	45.1	↓-0.7
2/11 11:20	44.8	↓-0.3	干潮
2/11 11:30	44.9	↑0.1
2/11 11:40	45.2	↑0.3
2/11 11:50	45.9	↑0.7
2/11 12:00	46.8	↑0.9
2/11 12:10	48.0	↑1.2
2/11 12:20	49.5	↑1.5
2/11 12:30	51.2	↑1.7
2/11 12:40	53.0	↑1.8
2/11 12:50	55.1	↑2.1
2/11 13:00	57.4	↑2.3
2/11 13:10	59.8	↑2.4
2/11 13:20	62.4	↑2.6
2/11 13:30	65.2	↑2.8
2/11 13:40	68.2	↑3.0
2/11 13:50	71.4	↑3.2
2/11 14:00	74.7	↑3.3
2/11 14:10	78.2	↑3.5
2/11 14:20	81.8	↑3.6
2/11 14:30	85.5	↑3.7
2/11 14:40	89.4	↑3.9
2/11 14:50	93.3	↑3.9
2/11 15:00	97.3	↑4.0
2/11 15:10	101.2	↑3.9
2/11 15:20	105.1	↑3.9
2/11 15:30	108.9	↑3.8
2/11 15:40	112.6	↑3.7
2/11 15:50	116.0	↑3.4
2/11 16:00	119.2	↑3.2
2/11 16:10	122.2	↑3.0
2/11 16:20	124.8	↑2.6
2/11 16:30	127.0	↑2.2
2/11 16:40	128.9	↑1.9
2/11 16:50	130.3	↑1.4
2/11 17:00	131.4	↑1.1
2/11 17:10	132.0	↑0.6
2/11 17:20	132.3	↑0.3	満潮
2/11 17:30	132.2	↓-0.1
2/11 17:40	131.7	↓-0.5
2/11 17:50	130.8	↓-0.9
2/11 18:00	129.7	↓-1.1
2/11 18:10	128.2	↓-1.5
2/11 18:20	126.6	↓-1.6
2/11 18:30	124.6	↓-2.0
2/11 18:40	122.5	↓-2.1
2/11 18:50	120.2	↓-2.3
2/11 19:00	117.7	↓-2.5
2/11 19:10	115.0	↓-2.7
2/11 19:20	112.2	↓-2.8
2/11 19:30	109.2	↓-3.0
2/11 19:40	106.1	↓-3.1
2/11 19:50	102.8	↓-3.3
2/11 20:00	99.4	↓-3.4
2/11 20:10	95.9	↓-3.5
2/11 20:20	92.2	↓-3.7
2/11 20:30	88.4	↓-3.8
2/11 20:40	84.5	↓-3.9
2/11 20:50	80.5	↓-4.0
2/11 21:00	76.5	↓-4.0
2/11 21:10	72.4	↓-4.1
2/11 21:20	68.4	↓-4.0
2/11 21:30	64.4	↓-4.0
2/11 21:40	60.5	↓-3.9
2/11 21:50	56.8	↓-3.7
2/11 22:00	53.2	↓-3.6
2/11 22:10	49.9	↓-3.3
2/11 22:20	46.9	↓-3.0
2/11 22:30	44.1	↓-2.8
2/11 22:40	41.7	↓-2.4
2/11 22:50	39.7	↓-2.0
2/11 23:00	38.0	↓-1.7
2/11 23:10	36.8	↓-1.2
2/11 23:20	35.9	↓-0.9
2/11 23:30	35.5	↓-0.4	干潮
2/11 23:40	35.4	↓-0.1
2/11 23:50	35.7	↑0.3