9 (水)	04:15	11:20	18:11	22:58
	144cm	-4cm	118cm	80cm
中潮 出 05:03 入 18:10 出 06:24 入 22:26 潮干狩り ◎ 09:03～13:58

苫小牧（北海道）2008年04月9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
4/9 00:00	81.9	↑2.0
4/9 00:10	84.1	↑2.2
4/9 00:20	86.4	↑2.3
4/9 00:30	88.8	↑2.4
4/9 00:40	91.3	↑2.5
4/9 00:50	94.0	↑2.7
4/9 01:00	96.7	↑2.7
4/9 01:10	99.5	↑2.8
4/9 01:20	102.4	↑2.9
4/9 01:30	105.4	↑3.0
4/9 01:40	108.5	↑3.1
4/9 01:50	111.6	↑3.1
4/9 02:00	114.8	↑3.2
4/9 02:10	118.0	↑3.2
4/9 02:20	121.1	↑3.1
4/9 02:30	124.2	↑3.1
4/9 02:40	127.3	↑3.1
4/9 02:50	130.2	↑2.9
4/9 03:00	132.9	↑2.7
4/9 03:10	135.4	↑2.5
4/9 03:20	137.6	↑2.2
4/9 03:30	139.6	↑2.0
4/9 03:40	141.2	↑1.6
4/9 03:50	142.4	↑1.2
4/9 04:00	143.2	↑0.8
4/9 04:10	143.6	↑0.4	満潮
4/9 04:20	143.5	↓-0.1
4/9 04:30	143.1	↓-0.4
4/9 04:40	142.2	↓-0.9
4/9 04:50	140.8	↓-1.4
4/9 05:00	139.1	↓-1.7
4/9 05:10	137.0	↓-2.1
4/9 05:20	134.6	↓-2.4
4/9 05:30	131.8	↓-2.8
4/9 05:40	128.8	↓-3.0
4/9 05:50	125.4	↓-3.4
4/9 06:00	121.9	↓-3.5
4/9 06:10	118.1	↓-3.8
4/9 06:20	114.1	↓-4.0
4/9 06:30	110.0	↓-4.1
4/9 06:40	105.7	↓-4.3
4/9 06:50	101.3	↓-4.4
4/9 07:00	96.7	↓-4.6
4/9 07:10	92.0	↓-4.7
4/9 07:20	87.1	↓-4.9
4/9 07:30	82.2	↓-4.9
4/9 07:40	77.1	↓-5.1
4/9 07:50	72.0	↓-5.1
4/9 08:00	66.8	↓-5.2
4/9 08:10	61.5	↓-5.3
4/9 08:20	56.1	↓-5.4	最大潮位差
4/9 08:30	50.8	↓-5.3
4/9 08:40	45.5	↓-5.3
4/9 08:50	40.2	↓-5.3
4/9 09:00	35.1	↓-5.1
4/9 09:10	30.1	↓-5.0
4/9 09:20	25.4	↓-4.7
4/9 09:30	20.8	↓-4.6
4/9 09:40	16.6	↓-4.2
4/9 09:50	12.6	↓-4.0
4/9 10:00	9.1	↓-3.5
4/9 10:10	5.9	↓-3.2
4/9 10:20	3.1	↓-2.8
4/9 10:30	0.8	↓-2.3
4/9 10:40	-1.1	↓-1.9
4/9 10:50	-2.5	↓-1.4
4/9 11:00	-3.6	↓-1.1
4/9 11:10	-4.1	↓-0.5	干潮
4/9 11:20	-4.3	↓-0.2	干潮
4/9 11:30	-4.1	↑0.2
4/9 11:40	-3.5	↑0.6
4/9 11:50	-2.6	↑0.9
4/9 12:00	-1.3	↑1.3
4/9 12:10	0.3	↑1.6
4/9 12:20	2.2	↑1.9
4/9 12:30	4.4	↑2.2
4/9 12:40	6.8	↑2.4
4/9 12:50	9.5	↑2.7
4/9 13:00	12.4	↑2.9
4/9 13:10	15.6	↑3.2
4/9 13:20	19.1	↑3.5
4/9 13:30	22.7	↑3.6
4/9 13:40	26.6	↑3.9
4/9 13:50	30.8	↑4.2
4/9 14:00	35.1	↑4.3
4/9 14:10	39.6	↑4.5
4/9 14:20	44.3	↑4.7
4/9 14:30	49.1	↑4.8
4/9 14:40	54.1	↑5.0
4/9 14:50	59.1	↑5.0
4/9 15:00	64.1	↑5.0
4/9 15:10	69.2	↑5.1
4/9 15:20	74.1	↑4.9
4/9 15:30	79.0	↑4.9
4/9 15:40	83.7	↑4.7
4/9 15:50	88.2	↑4.5
4/9 16:00	92.4	↑4.2
4/9 16:10	96.3	↑3.9
4/9 16:20	100.0	↑3.7
4/9 16:30	103.3	↑3.3
4/9 16:40	106.2	↑2.9
4/9 16:50	108.8	↑2.6
4/9 17:00	111.0	↑2.2
4/9 17:10	112.9	↑1.9
4/9 17:20	114.4	↑1.5
4/9 17:30	115.6	↑1.2
4/9 17:40	116.5	↑0.9
4/9 17:50	117.1	↑0.6
4/9 18:00	117.4	↑0.3
4/9 18:10	117.5	↑0.1	満潮
4/9 18:20	117.4	↓-0.1
4/9 18:30	117.1	↓-0.3
4/9 18:40	116.7	↓-0.4
4/9 18:50	116.1	↓-0.6
4/9 19:00	115.3	↓-0.8
4/9 19:10	114.4	↓-0.9
4/9 19:20	113.3	↓-1.1
4/9 19:30	112.1	↓-1.2
4/9 19:40	110.8	↓-1.3
4/9 19:50	109.3	↓-1.5
4/9 20:00	107.7	↓-1.6
4/9 20:10	106.0	↓-1.7
4/9 20:20	104.2	↓-1.8
4/9 20:30	102.2	↓-2.0
4/9 20:40	100.2	↓-2.0
4/9 20:50	98.1	↓-2.1
4/9 21:00	96.0	↓-2.1
4/9 21:10	93.9	↓-2.1
4/9 21:20	91.8	↓-2.1
4/9 21:30	89.7	↓-2.1
4/9 21:40	87.8	↓-1.9
4/9 21:50	86.0	↓-1.8
4/9 22:00	84.4	↓-1.6
4/9 22:10	83.0	↓-1.4
4/9 22:20	81.8	↓-1.2
4/9 22:30	80.9	↓-0.9
4/9 22:40	80.2	↓-0.7
4/9 22:50	79.9	↓-0.3	干潮
4/9 23:00	79.8	↓-0.1
4/9 23:10	80.0	↑0.2
4/9 23:20	80.5	↑0.5
4/9 23:30	81.3	↑0.8
4/9 23:40	82.3	↑1.0
4/9 23:50	83.5	↑1.2