1 (土)	03:42	09:54	16:07	22:13
	131cm	29cm	137cm	36cm
大潮 出 05:16 入 18:01 出 19:00 入 05:58 潮干狩り ○ 09:00～10:51

苫小牧（北海道）2056年04月1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	56.6	↑3.8
4/1 00:10	60.6	↑4.0
4/1 00:20	64.9	↑4.3
4/1 00:30	69.3	↑4.4
4/1 00:40	73.9	↑4.6
4/1 00:50	78.5	↑4.6
4/1 01:00	83.2	↑4.7
4/1 01:10	88.0	↑4.8
4/1 01:20	92.7	↑4.7
4/1 01:30	97.3	↑4.6
4/1 01:40	101.7	↑4.4
4/1 01:50	106.0	↑4.3
4/1 02:00	110.0	↑4.0
4/1 02:10	113.7	↑3.7
4/1 02:20	117.1	↑3.4
4/1 02:30	120.1	↑3.0
4/1 02:40	122.8	↑2.7
4/1 02:50	125.0	↑2.2
4/1 03:00	126.9	↑1.9
4/1 03:10	128.3	↑1.4
4/1 03:20	129.3	↑1.0
4/1 03:30	129.9	↑0.6
4/1 03:40	130.1	↑0.2	満潮
4/1 03:50	130.0	↓-0.1
4/1 04:00	129.6	↓-0.4
4/1 04:10	128.8	↓-0.8
4/1 04:20	127.7	↓-1.1
4/1 04:30	126.3	↓-1.4
4/1 04:40	124.7	↓-1.6
4/1 04:50	122.9	↓-1.8
4/1 05:00	120.8	↓-2.1
4/1 05:10	118.4	↓-2.4
4/1 05:20	115.9	↓-2.5
4/1 05:30	113.1	↓-2.8
4/1 05:40	110.0	↓-3.1
4/1 05:50	106.8	↓-3.2
4/1 06:00	103.3	↓-3.5
4/1 06:10	99.7	↓-3.6
4/1 06:20	95.8	↓-3.9
4/1 06:30	91.7	↓-4.1
4/1 06:40	87.5	↓-4.2
4/1 06:50	83.2	↓-4.3
4/1 07:00	78.7	↓-4.5
4/1 07:10	74.2	↓-4.5
4/1 07:20	69.7	↓-4.5
4/1 07:30	65.2	↓-4.5
4/1 07:40	60.7	↓-4.5
4/1 07:50	56.4	↓-4.3
4/1 08:00	52.3	↓-4.1
4/1 08:10	48.4	↓-3.9
4/1 08:20	44.8	↓-3.6
4/1 08:30	41.5	↓-3.3
4/1 08:40	38.6	↓-2.9
4/1 08:50	36.0	↓-2.6
4/1 09:00	33.8	↓-2.2
4/1 09:10	31.9	↓-1.9
4/1 09:20	30.5	↓-1.4
4/1 09:30	29.5	↓-1.0
4/1 09:40	28.8	↓-0.7
4/1 09:50	28.6	↓-0.2	干潮
4/1 10:00	28.6	0
4/1 10:10	29.1	↑0.5
4/1 10:20	29.8	↑0.7
4/1 10:30	30.8	↑1.0
4/1 10:40	32.2	↑1.4
4/1 10:50	33.8	↑1.6
4/1 11:00	35.6	↑1.8
4/1 11:10	37.8	↑2.2
4/1 11:20	40.2	↑2.4
4/1 11:30	42.8	↑2.6
4/1 11:40	45.7	↑2.9
4/1 11:50	48.9	↑3.2
4/1 12:00	52.2	↑3.3
4/1 12:10	55.9	↑3.7
4/1 12:20	59.8	↑3.9
4/1 12:30	63.9	↑4.1
4/1 12:40	68.2	↑4.3
4/1 12:50	72.7	↑4.5
4/1 13:00	77.4	↑4.7
4/1 13:10	82.1	↑4.7
4/1 13:20	87.0	↑4.9	最大潮位差
4/1 13:30	91.8	↑4.8
4/1 13:40	96.7	↑4.9	最大潮位差
4/1 13:50	101.4	↑4.7
4/1 14:00	106.1	↑4.7
4/1 14:10	110.5	↑4.4
4/1 14:20	114.7	↑4.2
4/1 14:30	118.6	↑3.9
4/1 14:40	122.2	↑3.6
4/1 14:50	125.4	↑3.2
4/1 15:00	128.2	↑2.8
4/1 15:10	130.7	↑2.5
4/1 15:20	132.7	↑2.0
4/1 15:30	134.3	↑1.6
4/1 15:40	135.5	↑1.2
4/1 15:50	136.2	↑0.7
4/1 16:00	136.6	↑0.4	満潮
4/1 16:10	136.7	↑0.1
4/1 16:20	136.3	↓-0.4
4/1 16:30	135.7	↓-0.6
4/1 16:40	134.8	↓-0.9
4/1 16:50	133.5	↓-1.3
4/1 17:00	132.0	↓-1.5
4/1 17:10	130.3	↓-1.7
4/1 17:20	128.3	↓-2.0
4/1 17:30	126.0	↓-2.3
4/1 17:40	123.5	↓-2.5
4/1 17:50	120.8	↓-2.7
4/1 18:00	117.8	↓-3.0
4/1 18:10	114.6	↓-3.2
4/1 18:20	111.2	↓-3.4
4/1 18:30	107.5	↓-3.7
4/1 18:40	103.7	↓-3.8
4/1 18:50	99.6	↓-4.1
4/1 19:00	95.4	↓-4.2
4/1 19:10	91.0	↓-4.4
4/1 19:20	86.5	↓-4.5
4/1 19:30	81.9	↓-4.6
4/1 19:40	77.3	↓-4.6
4/1 19:50	72.8	↓-4.5
4/1 20:00	68.3	↓-4.5
4/1 20:10	63.9	↓-4.4
4/1 20:20	59.7	↓-4.2
4/1 20:30	55.8	↓-3.9
4/1 20:40	52.1	↓-3.7
4/1 20:50	48.7	↓-3.4
4/1 21:00	45.7	↓-3.0
4/1 21:10	43.1	↓-2.6
4/1 21:20	40.8	↓-2.3
4/1 21:30	39.0	↓-1.8
4/1 21:40	37.5	↓-1.5
4/1 21:50	36.5	↓-1.0
4/1 22:00	35.8	↓-0.7
4/1 22:10	35.6	↓-0.2	干潮
4/1 22:20	35.7	↑0.1
4/1 22:30	36.1	↑0.4
4/1 22:40	36.9	↑0.8
4/1 22:50	38.0	↑1.1
4/1 23:00	39.4	↑1.4
4/1 23:10	41.0	↑1.6
4/1 23:20	42.9	↑1.9
4/1 23:30	45.1	↑2.2
4/1 23:40	47.5	↑2.4
4/1 23:50	50.1	↑2.6