11 (日)	10:33	01:36	18:26	12:15
	103cm	25cm	132cm	102cm
小潮 出 05:42 入 17:00 出 22:18 入 12:53

苫小牧（北海道）2009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	35.6	↓-2.5
10/11 00:10	33.4	↓-2.2
10/11 00:20	31.4	↓-2.0
10/11 00:30	29.6	↓-1.8
10/11 00:40	28.2	↓-1.4
10/11 00:50	26.9	↓-1.3
10/11 01:00	26.0	↓-0.9
10/11 01:10	25.3	↓-0.7
10/11 01:20	24.8	↓-0.5
10/11 01:30	24.6	↓-0.2	干潮
10/11 01:40	24.6	0
10/11 01:50	24.8	↑0.2
10/11 02:00	25.3	↑0.5
10/11 02:10	25.9	↑0.6
10/11 02:20	26.6	↑0.7
10/11 02:30	27.6	↑1.0
10/11 02:40	28.6	↑1.0
10/11 02:50	29.9	↑1.3
10/11 03:00	31.2	↑1.3
10/11 03:10	32.7	↑1.5
10/11 03:20	34.4	↑1.7
10/11 03:30	36.1	↑1.7
10/11 03:40	38.1	↑2.0
10/11 03:50	40.1	↑2.0
10/11 04:00	42.3	↑2.2
10/11 04:10	44.7	↑2.4
10/11 04:20	47.1	↑2.4
10/11 04:30	49.7	↑2.6
10/11 04:40	52.4	↑2.7
10/11 04:50	55.2	↑2.8
10/11 05:00	58.0	↑2.8
10/11 05:10	60.9	↑2.9
10/11 05:20	63.9	↑3.0	最大潮位差
10/11 05:30	66.8	↑2.9
10/11 05:40	69.7	↑2.9
10/11 05:50	72.5	↑2.8
10/11 06:00	75.3	↑2.8
10/11 06:10	77.9	↑2.6
10/11 06:20	80.4	↑2.5
10/11 06:30	82.8	↑2.4
10/11 06:40	85.0	↑2.2
10/11 06:50	87.0	↑2.0
10/11 07:00	88.8	↑1.8
10/11 07:10	90.5	↑1.7
10/11 07:20	92.0	↑1.5
10/11 07:30	93.3	↑1.3
10/11 07:40	94.5	↑1.2
10/11 07:50	95.6	↑1.1
10/11 08:00	96.5	↑0.9
10/11 08:10	97.3	↑0.8
10/11 08:20	98.1	↑0.8
10/11 08:30	98.7	↑0.6
10/11 08:40	99.3	↑0.6
10/11 08:50	99.9	↑0.6
10/11 09:00	100.4	↑0.5
10/11 09:10	100.8	↑0.4
10/11 09:20	101.2	↑0.4
10/11 09:30	101.6	↑0.4
10/11 09:40	101.9	↑0.3
10/11 09:50	102.2	↑0.3
10/11 10:00	102.4	↑0.2
10/11 10:10	102.6	↑0.2
10/11 10:20	102.7	↑0.1
10/11 10:30	102.7	0	満潮
10/11 10:40	102.7	0
10/11 10:50	102.6	↓-0.1
10/11 11:00	102.5	↓-0.1
10/11 11:10	102.4	↓-0.1
10/11 11:20	102.2	↓-0.2
10/11 11:30	102.0	↓-0.2
10/11 11:40	101.8	↓-0.2
10/11 11:50	101.6	↓-0.2
10/11 12:00	101.5	↓-0.1
10/11 12:10	101.4	↓-0.1	干潮
10/11 12:20	101.4	0
10/11 12:30	101.5	↑0.1
10/11 12:40	101.7	↑0.2
10/11 12:50	102.0	↑0.3
10/11 13:00	102.4	↑0.4
10/11 13:10	103.0	↑0.6
10/11 13:20	103.6	↑0.6
10/11 13:30	104.3	↑0.7
10/11 13:40	105.1	↑0.8
10/11 13:50	106.0	↑0.9
10/11 14:00	107.0	↑1.0
10/11 14:10	108.0	↑1.0
10/11 14:20	109.1	↑1.1
10/11 14:30	110.2	↑1.1
10/11 14:40	111.3	↑1.1
10/11 14:50	112.4	↑1.1
10/11 15:00	113.5	↑1.1
10/11 15:10	114.6	↑1.1
10/11 15:20	115.7	↑1.1
10/11 15:30	116.8	↑1.1
10/11 15:40	117.9	↑1.1
10/11 15:50	118.9	↑1.0
10/11 16:00	120.0	↑1.1
10/11 16:10	121.0	↑1.0
10/11 16:20	122.1	↑1.1
10/11 16:30	123.1	↑1.0
10/11 16:40	124.1	↑1.0
10/11 16:50	125.1	↑1.0
10/11 17:00	126.1	↑1.0
10/11 17:10	127.0	↑0.9
10/11 17:20	127.9	↑0.9
10/11 17:30	128.7	↑0.8
10/11 17:40	129.4	↑0.7
10/11 17:50	130.0	↑0.6
10/11 18:00	130.5	↑0.5
10/11 18:10	130.9	↑0.4
10/11 18:20	131.1	↑0.2	満潮
10/11 18:30	131.1	0
10/11 18:40	130.9	↓-0.2
10/11 18:50	130.5	↓-0.4
10/11 19:00	129.9	↓-0.6
10/11 19:10	129.1	↓-0.8
10/11 19:20	128.0	↓-1.1
10/11 19:30	126.8	↓-1.2
10/11 19:40	125.4	↓-1.4
10/11 19:50	123.7	↓-1.7
10/11 20:00	121.9	↓-1.8
10/11 20:10	120.0	↓-1.9
10/11 20:20	117.9	↓-2.1
10/11 20:30	115.7	↓-2.2
10/11 20:40	113.4	↓-2.3
10/11 20:50	111.0	↓-2.4
10/11 21:00	108.6	↓-2.4
10/11 21:10	106.1	↓-2.5
10/11 21:20	103.5	↓-2.6
10/11 21:30	101.0	↓-2.5
10/11 21:40	98.3	↓-2.7
10/11 21:50	95.7	↓-2.6
10/11 22:00	93.0	↓-2.7
10/11 22:10	90.3	↓-2.7
10/11 22:20	87.6	↓-2.7
10/11 22:30	84.9	↓-2.7
10/11 22:40	82.1	↓-2.8
10/11 22:50	79.3	↓-2.8
10/11 23:00	76.4	↓-2.9
10/11 23:10	73.6	↓-2.8
10/11 23:20	70.8	↓-2.8
10/11 23:30	67.9	↓-2.9
10/11 23:40	65.1	↓-2.8
10/11 23:50	62.3	↓-2.8