20 (水)	02:35	09:52	17:11	21:40
	143cm	11cm	129cm	93cm
大潮 出 03:57 入 19:15 出 04:24 入 19:32 潮干狩り ◎ 07:57～12:01

苫小牧（北海道）2012年06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
6/20 00:00	115.3	↑2.1
6/20 00:10	117.5	↑2.2
6/20 00:20	119.8	↑2.3
6/20 00:30	122.1	↑2.3
6/20 00:40	124.5	↑2.4
6/20 00:50	126.9	↑2.4
6/20 01:00	129.3	↑2.4
6/20 01:10	131.5	↑2.2
6/20 01:20	133.7	↑2.2
6/20 01:30	135.6	↑1.9
6/20 01:40	137.4	↑1.8
6/20 01:50	138.9	↑1.5
6/20 02:00	140.2	↑1.3
6/20 02:10	141.2	↑1.0
6/20 02:20	141.8	↑0.6
6/20 02:30	142.1	↑0.3	満潮
6/20 02:40	142.1	0
6/20 02:50	141.7	↓-0.4
6/20 03:00	141.0	↓-0.7
6/20 03:10	140.0	↓-1.0
6/20 03:20	138.7	↓-1.3
6/20 03:30	137.1	↓-1.6
6/20 03:40	135.2	↓-1.9
6/20 03:50	133.0	↓-2.2
6/20 04:00	130.7	↓-2.3
6/20 04:10	128.1	↓-2.6
6/20 04:20	125.4	↓-2.7
6/20 04:30	122.4	↓-3.0
6/20 04:40	119.3	↓-3.1
6/20 04:50	116.1	↓-3.2
6/20 05:00	112.7	↓-3.4
6/20 05:10	109.1	↓-3.6
6/20 05:20	105.3	↓-3.8
6/20 05:30	101.4	↓-3.9
6/20 05:40	97.4	↓-4.0
6/20 05:50	93.1	↓-4.3
6/20 06:00	88.8	↓-4.3
6/20 06:10	84.2	↓-4.6
6/20 06:20	79.6	↓-4.6
6/20 06:30	74.8	↓-4.8
6/20 06:40	69.9	↓-4.9
6/20 06:50	65.0	↓-4.9
6/20 07:00	60.0	↓-5.0	最大潮位差
6/20 07:10	55.1	↓-4.9
6/20 07:20	50.3	↓-4.8
6/20 07:30	45.5	↓-4.8
6/20 07:40	41.0	↓-4.5
6/20 07:50	36.6	↓-4.4
6/20 08:00	32.5	↓-4.1
6/20 08:10	28.6	↓-3.9
6/20 08:20	25.1	↓-3.5
6/20 08:30	21.9	↓-3.2
6/20 08:40	19.1	↓-2.8
6/20 08:50	16.7	↓-2.4
6/20 09:00	14.7	↓-2.0
6/20 09:10	13.0	↓-1.7
6/20 09:20	11.8	↓-1.2
6/20 09:30	10.8	↓-1.0
6/20 09:40	10.3	↓-0.5
6/20 09:50	10.1	↓-0.2	干潮
6/20 10:00	10.2	↑0.1
6/20 10:10	10.6	↑0.4
6/20 10:20	11.4	↑0.8
6/20 10:30	12.4	↑1.0
6/20 10:40	13.7	↑1.3
6/20 10:50	15.2	↑1.5
6/20 11:00	17.0	↑1.8
6/20 11:10	19.1	↑2.1
6/20 11:20	21.4	↑2.3
6/20 11:30	24.1	↑2.7
6/20 11:40	26.9	↑2.8
6/20 11:50	30.1	↑3.2
6/20 12:00	33.5	↑3.4
6/20 12:10	37.2	↑3.7
6/20 12:20	41.1	↑3.9
6/20 12:30	45.3	↑4.2
6/20 12:40	49.7	↑4.4
6/20 12:50	54.3	↑4.6
6/20 13:00	59.0	↑4.7
6/20 13:10	63.8	↑4.8
6/20 13:20	68.7	↑4.9
6/20 13:30	73.6	↑4.9
6/20 13:40	78.5	↑4.9
6/20 13:50	83.3	↑4.8
6/20 14:00	87.9	↑4.6
6/20 14:10	92.4	↑4.5
6/20 14:20	96.7	↑4.3
6/20 14:30	100.7	↑4.0
6/20 14:40	104.5	↑3.8
6/20 14:50	107.9	↑3.4
6/20 15:00	111.1	↑3.2
6/20 15:10	113.9	↑2.8
6/20 15:20	116.5	↑2.6
6/20 15:30	118.7	↑2.2
6/20 15:40	120.7	↑2.0
6/20 15:50	122.4	↑1.7
6/20 16:00	123.8	↑1.4
6/20 16:10	125.0	↑1.2
6/20 16:20	126.0	↑1.0
6/20 16:30	126.7	↑0.7
6/20 16:40	127.3	↑0.6
6/20 16:50	127.8	↑0.5
6/20 17:00	128.0	↑0.2
6/20 17:10	128.1	↑0.1	満潮
6/20 17:20	128.0	↓-0.1
6/20 17:30	127.7	↓-0.3
6/20 17:40	127.3	↓-0.4
6/20 17:50	126.7	↓-0.6
6/20 18:00	125.9	↓-0.8
6/20 18:10	124.9	↓-1.0
6/20 18:20	123.7	↓-1.2
6/20 18:30	122.3	↓-1.4
6/20 18:40	120.7	↓-1.6
6/20 18:50	118.9	↓-1.8
6/20 19:00	117.0	↓-1.9
6/20 19:10	115.0	↓-2.0
6/20 19:20	112.9	↓-2.1
6/20 19:30	110.7	↓-2.2
6/20 19:40	108.5	↓-2.2
6/20 19:50	106.3	↓-2.2
6/20 20:00	104.2	↓-2.1
6/20 20:10	102.1	↓-2.1
6/20 20:20	100.2	↓-1.9
6/20 20:30	98.5	↓-1.7
6/20 20:40	97.0	↓-1.5
6/20 20:50	95.7	↓-1.3
6/20 21:00	94.7	↓-1.0
6/20 21:10	93.8	↓-0.9
6/20 21:20	93.3	↓-0.5
6/20 21:30	92.9	↓-0.4	干潮
6/20 21:40	92.8	↓-0.1	干潮
6/20 21:50	93.0	↑0.2
6/20 22:00	93.3	↑0.3
6/20 22:10	93.8	↑0.5
6/20 22:20	94.4	↑0.6
6/20 22:30	95.2	↑0.8
6/20 22:40	96.2	↑1.0
6/20 22:50	97.2	↑1.0
6/20 23:00	98.4	↑1.2
6/20 23:10	99.6	↑1.2
6/20 23:20	101.0	↑1.4
6/20 23:30	102.4	↑1.4
6/20 23:40	103.9	↑1.5
6/20 23:50	105.6	↑1.7