11 (日)	04:50	09:14	14:45	22:01
	127cm	93cm	142cm	0cm
大潮 出 06:52 入 16:02 出 16:37 入 07:10

苫小牧（北海道）2011年12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
12/11 00:00	36.5	↑4.2
12/11 00:10	40.9	↑4.4
12/11 00:20	45.5	↑4.6
12/11 00:30	50.3	↑4.8
12/11 00:40	55.2	↑4.9
12/11 00:50	60.2	↑5.0
12/11 01:00	65.3	↑5.1
12/11 01:10	70.3	↑5.0
12/11 01:20	75.3	↑5.0
12/11 01:30	80.2	↑4.9
12/11 01:40	85.0	↑4.8
12/11 01:50	89.6	↑4.6
12/11 02:00	93.9	↑4.3
12/11 02:10	98.0	↑4.1
12/11 02:20	101.8	↑3.8
12/11 02:30	105.3	↑3.5
12/11 02:40	108.6	↑3.3
12/11 02:50	111.5	↑2.9
12/11 03:00	114.0	↑2.5
12/11 03:10	116.3	↑2.3
12/11 03:20	118.3	↑2.0
12/11 03:30	120.1	↑1.8
12/11 03:40	121.6	↑1.5
12/11 03:50	122.8	↑1.2
12/11 04:00	123.8	↑1.0
12/11 04:10	124.6	↑0.8
12/11 04:20	125.3	↑0.7
12/11 04:30	125.7	↑0.4
12/11 04:40	125.9	↑0.2	満潮
12/11 04:50	126.0	↑0.1	満潮
12/11 05:00	125.9	↓-0.1
12/11 05:10	125.6	↓-0.3
12/11 05:20	125.2	↓-0.4
12/11 05:30	124.5	↓-0.7
12/11 05:40	123.7	↓-0.8
12/11 05:50	122.6	↓-1.1
12/11 06:00	121.4	↓-1.2
12/11 06:10	119.9	↓-1.5
12/11 06:20	118.3	↓-1.6
12/11 06:30	116.5	↓-1.8
12/11 06:40	114.6	↓-1.9
12/11 06:50	112.6	↓-2.0
12/11 07:00	110.5	↓-2.1
12/11 07:10	108.4	↓-2.1
12/11 07:20	106.2	↓-2.2
12/11 07:30	104.1	↓-2.1
12/11 07:40	102.1	↓-2.0
12/11 07:50	100.2	↓-1.9
12/11 08:00	98.5	↓-1.7
12/11 08:10	96.9	↓-1.6
12/11 08:20	95.5	↓-1.4
12/11 08:30	94.4	↓-1.1
12/11 08:40	93.5	↓-0.9
12/11 08:50	92.8	↓-0.7
12/11 09:00	92.4	↓-0.4
12/11 09:10	92.2	↓-0.2	干潮
12/11 09:20	92.2	0
12/11 09:30	92.5	↑0.3
12/11 09:40	93.0	↑0.5
12/11 09:50	93.6	↑0.6
12/11 10:00	94.4	↑0.8
12/11 10:10	95.3	↑0.9
12/11 10:20	96.3	↑1.0
12/11 10:30	97.5	↑1.2
12/11 10:40	98.8	↑1.3
12/11 10:50	100.1	↑1.3
12/11 11:00	101.6	↑1.5
12/11 11:10	103.1	↑1.5
12/11 11:20	104.7	↑1.6
12/11 11:30	106.5	↑1.8
12/11 11:40	108.3	↑1.8
12/11 11:50	110.2	↑1.9
12/11 12:00	112.3	↑2.1
12/11 12:10	114.4	↑2.1
12/11 12:20	116.7	↑2.3
12/11 12:30	119.0	↑2.3
12/11 12:40	121.4	↑2.4
12/11 12:50	123.8	↑2.4
12/11 13:00	126.2	↑2.4
12/11 13:10	128.6	↑2.4
12/11 13:20	130.9	↑2.3
12/11 13:30	133.1	↑2.2
12/11 13:40	135.1	↑2.0
12/11 13:50	137.0	↑1.9
12/11 14:00	138.6	↑1.6
12/11 14:10	139.9	↑1.3
12/11 14:20	140.9	↑1.0
12/11 14:30	141.6	↑0.7
12/11 14:40	141.9	↑0.3	満潮
12/11 14:50	141.8	↓-0.1
12/11 15:00	141.4	↓-0.4
12/11 15:10	140.6	↓-0.8
12/11 15:20	139.5	↓-1.1
12/11 15:30	138.0	↓-1.5
12/11 15:40	136.2	↓-1.8
12/11 15:50	134.0	↓-2.2
12/11 16:00	131.6	↓-2.4
12/11 16:10	129.0	↓-2.6
12/11 16:20	126.1	↓-2.9
12/11 16:30	123.0	↓-3.1
12/11 16:40	119.7	↓-3.3
12/11 16:50	116.2	↓-3.5
12/11 17:00	112.6	↓-3.6
12/11 17:10	108.8	↓-3.8
12/11 17:20	104.8	↓-4.0
12/11 17:30	100.7	↓-4.1
12/11 17:40	96.5	↓-4.2
12/11 17:50	92.1	↓-4.4
12/11 18:00	87.6	↓-4.5
12/11 18:10	82.9	↓-4.7
12/11 18:20	78.0	↓-4.9
12/11 18:30	73.1	↓-4.9
12/11 18:40	68.1	↓-5.0
12/11 18:50	62.9	↓-5.2	最大潮位差
12/11 19:00	57.7	↓-5.2	最大潮位差
12/11 19:10	52.5	↓-5.2	最大潮位差
12/11 19:20	47.3	↓-5.2	最大潮位差
12/11 19:30	42.2	↓-5.1
12/11 19:40	37.2	↓-5.0
12/11 19:50	32.3	↓-4.9
12/11 20:00	27.6	↓-4.7
12/11 20:10	23.2	↓-4.4
12/11 20:20	19.1	↓-4.1
12/11 20:30	15.3	↓-3.8
12/11 20:40	11.9	↓-3.4
12/11 20:50	8.8	↓-3.1
12/11 21:00	6.2	↓-2.6
12/11 21:10	4.0	↓-2.2
12/11 21:20	2.2	↓-1.8
12/11 21:30	0.8	↓-1.4
12/11 21:40	-0.2	↓-1.0
12/11 21:50	-0.8	↓-0.6
12/11 22:00	-1.0	↓-0.2	干潮
12/11 22:10	-0.8	↑0.2
12/11 22:20	-0.3	↑0.5
12/11 22:30	0.5	↑0.8
12/11 22:40	1.7	↑1.2
12/11 22:50	3.1	↑1.4
12/11 23:00	4.8	↑1.7
12/11 23:10	6.8	↑2.0
12/11 23:20	9.1	↑2.3
12/11 23:30	11.7	↑2.6
12/11 23:40	14.5	↑2.8
12/11 23:50	17.6	↑3.1