12 (水)	03:19	10:02	16:31	22:01
	138cm	7cm	131cm	59cm
大潮 出 04:59 入 18:13 出 05:33 入 19:43 潮干狩り ◎ 08:06～12:10

苫小牧（北海道）2051年04月12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
4/12 00:00	80.0	↑3.4
4/12 00:10	83.4	↑3.4
4/12 00:20	87.1	↑3.7
4/12 00:30	90.9	↑3.8
4/12 00:40	94.8	↑3.9
4/12 00:50	98.7	↑3.9
4/12 01:00	102.7	↑4.0
4/12 01:10	106.7	↑4.0
4/12 01:20	110.6	↑3.9
4/12 01:30	114.5	↑3.9
4/12 01:40	118.1	↑3.6
4/12 01:50	121.5	↑3.4
4/12 02:00	124.7	↑3.2
4/12 02:10	127.6	↑2.9
4/12 02:20	130.1	↑2.5
4/12 02:30	132.3	↑2.2
4/12 02:40	134.0	↑1.7
4/12 02:50	135.4	↑1.4
4/12 03:00	136.4	↑1.0
4/12 03:10	136.9	↑0.5	満潮
4/12 03:20	137.0	↑0.1
4/12 03:30	136.7	↓-0.3
4/12 03:40	136.1	↓-0.6
4/12 03:50	135.1	↓-1.0
4/12 04:00	133.8	↓-1.3
4/12 04:10	132.1	↓-1.7
4/12 04:20	130.2	↓-1.9
4/12 04:30	128.0	↓-2.2
4/12 04:40	125.5	↓-2.5
4/12 04:50	122.8	↓-2.7
4/12 05:00	119.9	↓-2.9
4/12 05:10	116.7	↓-3.2
4/12 05:20	113.3	↓-3.4
4/12 05:30	109.7	↓-3.6
4/12 05:40	105.8	↓-3.9
4/12 05:50	101.8	↓-4.0
4/12 06:00	97.5	↓-4.3
4/12 06:10	92.9	↓-4.6
4/12 06:20	88.2	↓-4.7
4/12 06:30	83.3	↓-4.9
4/12 06:40	78.3	↓-5.0
4/12 06:50	73.1	↓-5.2
4/12 07:00	67.8	↓-5.3
4/12 07:10	62.4	↓-5.4
4/12 07:20	57.1	↓-5.3
4/12 07:30	51.7	↓-5.4
4/12 07:40	46.5	↓-5.2
4/12 07:50	41.4	↓-5.1
4/12 08:00	36.5	↓-4.9
4/12 08:10	31.9	↓-4.6
4/12 08:20	27.6	↓-4.3
4/12 08:30	23.6	↓-4.0
4/12 08:40	20.0	↓-3.6
4/12 08:50	16.7	↓-3.3
4/12 09:00	13.9	↓-2.8
4/12 09:10	11.6	↓-2.3
4/12 09:20	9.6	↓-2.0
4/12 09:30	8.1	↓-1.5
4/12 09:40	7.1	↓-1.0
4/12 09:50	6.4	↓-0.7
4/12 10:00	6.2	↓-0.2	干潮
4/12 10:10	6.4	↑0.2
4/12 10:20	6.9	↑0.5
4/12 10:30	7.8	↑0.9
4/12 10:40	9.0	↑1.2
4/12 10:50	10.6	↑1.6
4/12 11:00	12.4	↑1.8
4/12 11:10	14.6	↑2.2
4/12 11:20	17.1	↑2.5
4/12 11:30	19.9	↑2.8
4/12 11:40	22.9	↑3.0
4/12 11:50	26.3	↑3.4
4/12 12:00	30.0	↑3.7
4/12 12:10	34.0	↑4.0
4/12 12:20	38.3	↑4.3
4/12 12:30	42.8	↑4.5
4/12 12:40	47.6	↑4.8
4/12 12:50	52.6	↑5.0
4/12 13:00	57.8	↑5.2
4/12 13:10	63.1	↑5.3
4/12 13:20	68.5	↑5.4
4/12 13:30	74.0	↑5.5	最大潮位差
4/12 13:40	79.5	↑5.5	最大潮位差
4/12 13:50	84.9	↑5.4
4/12 14:00	90.2	↑5.3
4/12 14:10	95.3	↑5.1
4/12 14:20	100.2	↑4.9
4/12 14:30	104.9	↑4.7
4/12 14:40	109.2	↑4.3
4/12 14:50	113.1	↑3.9
4/12 15:00	116.7	↑3.6
4/12 15:10	119.8	↑3.1
4/12 15:20	122.6	↑2.8
4/12 15:30	124.9	↑2.3
4/12 15:40	126.9	↑2.0
4/12 15:50	128.4	↑1.5
4/12 16:00	129.5	↑1.1
4/12 16:10	130.3	↑0.8
4/12 16:20	130.8	↑0.5
4/12 16:30	130.9	↑0.1	満潮
4/12 16:40	130.8	↓-0.1
4/12 16:50	130.3	↓-0.5
4/12 17:00	129.7	↓-0.6
4/12 17:10	128.7	↓-1.0
4/12 17:20	127.6	↓-1.1
4/12 17:30	126.2	↓-1.4
4/12 17:40	124.6	↓-1.6
4/12 17:50	122.7	↓-1.9
4/12 18:00	120.6	↓-2.1
4/12 18:10	118.4	↓-2.2
4/12 18:20	115.9	↓-2.5
4/12 18:30	113.1	↓-2.8
4/12 18:40	110.2	↓-2.9
4/12 18:50	107.1	↓-3.1
4/12 19:00	103.8	↓-3.3
4/12 19:10	100.4	↓-3.4
4/12 19:20	96.8	↓-3.6
4/12 19:30	93.2	↓-3.6
4/12 19:40	89.5	↓-3.7
4/12 19:50	85.9	↓-3.6
4/12 20:00	82.3	↓-3.6
4/12 20:10	78.8	↓-3.5
4/12 20:20	75.5	↓-3.3
4/12 20:30	72.4	↓-3.1
4/12 20:40	69.5	↓-2.9
4/12 20:50	66.9	↓-2.6
4/12 21:00	64.7	↓-2.2
4/12 21:10	62.7	↓-2.0
4/12 21:20	61.1	↓-1.6
4/12 21:30	59.9	↓-1.2
4/12 21:40	59.1	↓-0.8
4/12 21:50	58.6	↓-0.5
4/12 22:00	58.4	↓-0.2	干潮
4/12 22:10	58.5	↑0.1
4/12 22:20	59.0	↑0.5
4/12 22:30	59.7	↑0.7
4/12 22:40	60.7	↑1.0
4/12 22:50	61.9	↑1.2
4/12 23:00	63.4	↑1.5
4/12 23:10	65.0	↑1.6
4/12 23:20	66.9	↑1.9
4/12 23:30	68.9	↑2.0
4/12 23:40	71.1	↑2.2
4/12 23:50	73.5	↑2.4