01 (日)	04:54	11:36	18:11	23:35
	137cm	11cm	119cm	69cm
中潮 出 05:16 入 18:01 出 22:17 入 07:12 潮干狩り ◎ 09:48～13:39

苫小牧（北海道）2040年04月01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
4/1 00:00	60.5	↑1.5
4/1 00:10	62.2	↑1.7
4/1 00:20	64.2	↑2.0
4/1 00:30	66.3	↑2.1
4/1 00:40	68.6	↑2.3
4/1 00:50	71.0	↑2.4
4/1 01:00	73.6	↑2.6
4/1 01:10	76.3	↑2.7
4/1 01:20	79.2	↑2.9
4/1 01:30	82.2	↑3.0
4/1 01:40	85.3	↑3.1
4/1 01:50	88.5	↑3.2
4/1 02:00	91.8	↑3.3
4/1 02:10	95.2	↑3.4
4/1 02:20	98.7	↑3.5
4/1 02:30	102.2	↑3.5
4/1 02:40	105.8	↑3.6
4/1 02:50	109.4	↑3.6
4/1 03:00	112.9	↑3.5
4/1 03:10	116.3	↑3.4
4/1 03:20	119.7	↑3.4
4/1 03:30	122.8	↑3.1
4/1 03:40	125.7	↑2.9
4/1 03:50	128.4	↑2.7
4/1 04:00	130.8	↑2.4
4/1 04:10	132.8	↑2.0
4/1 04:20	134.5	↑1.7
4/1 04:30	135.7	↑1.2
4/1 04:40	136.5	↑0.8
4/1 04:50	136.9	↑0.4	満潮
4/1 05:00	136.8	↓-0.1
4/1 05:10	136.2	↓-0.6
4/1 05:20	135.3	↓-0.9
4/1 05:30	133.9	↓-1.4
4/1 05:40	132.2	↓-1.7
4/1 05:50	130.0	↓-2.2
4/1 06:00	127.6	↓-2.4
4/1 06:10	124.8	↓-2.8
4/1 06:20	121.8	↓-3.0
4/1 06:30	118.5	↓-3.3
4/1 06:40	115.1	↓-3.4
4/1 06:50	111.4	↓-3.7
4/1 07:00	107.6	↓-3.8
4/1 07:10	103.7	↓-3.9
4/1 07:20	99.6	↓-4.1
4/1 07:30	95.4	↓-4.2
4/1 07:40	91.2	↓-4.2
4/1 07:50	86.8	↓-4.4
4/1 08:00	82.3	↓-4.5
4/1 08:10	77.8	↓-4.5
4/1 08:20	73.2	↓-4.6
4/1 08:30	68.5	↓-4.7	最大潮位差
4/1 08:40	63.9	↓-4.6
4/1 08:50	59.2	↓-4.7	最大潮位差
4/1 09:00	54.5	↓-4.7	最大潮位差
4/1 09:10	49.9	↓-4.6
4/1 09:20	45.3	↓-4.6
4/1 09:30	40.9	↓-4.4
4/1 09:40	36.7	↓-4.2
4/1 09:50	32.6	↓-4.1
4/1 10:00	28.8	↓-3.8
4/1 10:10	25.3	↓-3.5
4/1 10:20	22.2	↓-3.1
4/1 10:30	19.3	↓-2.9
4/1 10:40	16.9	↓-2.4
4/1 10:50	14.8	↓-2.1
4/1 11:00	13.2	↓-1.6
4/1 11:10	12.0	↓-1.2
4/1 11:20	11.2	↓-0.8
4/1 11:30	10.8	↓-0.4	干潮
4/1 11:40	10.8	0
4/1 11:50	11.2	↑0.4
4/1 12:00	12.0	↑0.8
4/1 12:10	13.1	↑1.1
4/1 12:20	14.5	↑1.4
4/1 12:30	16.1	↑1.6
4/1 12:40	18.1	↑2.0
4/1 12:50	20.3	↑2.2
4/1 13:00	22.7	↑2.4
4/1 13:10	25.3	↑2.6
4/1 13:20	28.1	↑2.8
4/1 13:30	31.0	↑2.9
4/1 13:40	34.2	↑3.2
4/1 13:50	37.5	↑3.3
4/1 14:00	41.0	↑3.5
4/1 14:10	44.7	↑3.7
4/1 14:20	48.5	↑3.8
4/1 14:30	52.5	↑4.0
4/1 14:40	56.5	↑4.0
4/1 14:50	60.7	↑4.2
4/1 15:00	65.0	↑4.3
4/1 15:10	69.4	↑4.4
4/1 15:20	73.8	↑4.4
4/1 15:30	78.2	↑4.4
4/1 15:40	82.5	↑4.3
4/1 15:50	86.7	↑4.2
4/1 16:00	90.8	↑4.1
4/1 16:10	94.8	↑4.0
4/1 16:20	98.5	↑3.7
4/1 16:30	102.0	↑3.5
4/1 16:40	105.1	↑3.1
4/1 16:50	108.0	↑2.9
4/1 17:00	110.5	↑2.5
4/1 17:10	112.7	↑2.2
4/1 17:20	114.5	↑1.8
4/1 17:30	115.9	↑1.4
4/1 17:40	117.0	↑1.1
4/1 17:50	117.8	↑0.8
4/1 18:00	118.2	↑0.4
4/1 18:10	118.3	↑0.1	満潮
4/1 18:20	118.2	↓-0.1
4/1 18:30	117.9	↓-0.3
4/1 18:40	117.3	↓-0.6
4/1 18:50	116.5	↓-0.8
4/1 19:00	115.5	↓-1.0
4/1 19:10	114.4	↓-1.1
4/1 19:20	113.2	↓-1.2
4/1 19:30	111.8	↓-1.4
4/1 19:40	110.3	↓-1.5
4/1 19:50	108.7	↓-1.6
4/1 20:00	107.0	↓-1.7
4/1 20:10	105.2	↓-1.8
4/1 20:20	103.3	↓-1.9
4/1 20:30	101.2	↓-2.1
4/1 20:40	99.1	↓-2.1
4/1 20:50	96.9	↓-2.2
4/1 21:00	94.6	↓-2.3
4/1 21:10	92.2	↓-2.4
4/1 21:20	89.8	↓-2.4
4/1 21:30	87.3	↓-2.5
4/1 21:40	84.9	↓-2.4
4/1 21:50	82.5	↓-2.4
4/1 22:00	80.2	↓-2.3
4/1 22:10	77.9	↓-2.3
4/1 22:20	75.9	↓-2.0
4/1 22:30	74.0	↓-1.9
4/1 22:40	72.3	↓-1.7
4/1 22:50	70.9	↓-1.4
4/1 23:00	69.7	↓-1.2
4/1 23:10	68.9	↓-0.8
4/1 23:20	68.3	↓-0.6
4/1 23:30	68.0	↓-0.3	干潮
4/1 23:40	68.1	↑0.1
4/1 23:50	68.4	↑0.3