1 (火)	04:19	11:10	17:45	22:56
	142cm	2cm	124cm	70cm
中潮 出 05:17 入 18:00 出 06:28 入 21:52 潮干狩り ◎ 09:05～13:31

苫小牧（北海道）2025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	69.4	↑2.2
4/1 00:10	71.8	↑2.4
4/1 00:20	74.3	↑2.5
4/1 00:30	77.0	↑2.7
4/1 00:40	79.9	↑2.9
4/1 00:50	82.9	↑3.0
4/1 01:00	86.1	↑3.2
4/1 01:10	89.4	↑3.3
4/1 01:20	92.8	↑3.4
4/1 01:30	96.4	↑3.6
4/1 01:40	100.0	↑3.6
4/1 01:50	103.8	↑3.8
4/1 02:00	107.5	↑3.7
4/1 02:10	111.3	↑3.8
4/1 02:20	115.0	↑3.7
4/1 02:30	118.6	↑3.6
4/1 02:40	122.2	↑3.6
4/1 02:50	125.5	↑3.3
4/1 03:00	128.6	↑3.1
4/1 03:10	131.5	↑2.9
4/1 03:20	134.0	↑2.5
4/1 03:30	136.2	↑2.2
4/1 03:40	138.0	↑1.8
4/1 03:50	139.4	↑1.4
4/1 04:00	140.4	↑1.0
4/1 04:10	141.0	↑0.6	満潮
4/1 04:20	141.1	↑0.1
4/1 04:30	140.8	↓-0.3
4/1 04:40	140.0	↓-0.8
4/1 04:50	138.9	↓-1.1
4/1 05:00	137.4	↓-1.5
4/1 05:10	135.5	↓-1.9
4/1 05:20	133.2	↓-2.3
4/1 05:30	130.7	↓-2.5
4/1 05:40	127.9	↓-2.8
4/1 05:50	124.8	↓-3.1
4/1 06:00	121.5	↓-3.3
4/1 06:10	118.0	↓-3.5
4/1 06:20	114.3	↓-3.7
4/1 06:30	110.3	↓-4.0
4/1 06:40	106.2	↓-4.1
4/1 06:50	101.9	↓-4.3
4/1 07:00	97.4	↓-4.5
4/1 07:10	92.8	↓-4.6
4/1 07:20	88.0	↓-4.8
4/1 07:30	83.1	↓-4.9
4/1 07:40	78.0	↓-5.1
4/1 07:50	72.8	↓-5.2
4/1 08:00	67.5	↓-5.3
4/1 08:10	62.2	↓-5.3
4/1 08:20	56.8	↓-5.4	最大潮位差
4/1 08:30	51.5	↓-5.3
4/1 08:40	46.2	↓-5.3
4/1 08:50	41.0	↓-5.2
4/1 09:00	36.0	↓-5.0
4/1 09:10	31.1	↓-4.9
4/1 09:20	26.6	↓-4.5
4/1 09:30	22.3	↓-4.3
4/1 09:40	18.3	↓-4.0
4/1 09:50	14.7	↓-3.6
4/1 10:00	11.5	↓-3.2
4/1 10:10	8.7	↓-2.8
4/1 10:20	6.4	↓-2.3
4/1 10:30	4.5	↓-1.9
4/1 10:40	3.0	↓-1.5
4/1 10:50	2.0	↓-1.0
4/1 11:00	1.4	↓-0.6	干潮
4/1 11:10	1.3	↓-0.1	干潮
4/1 11:20	1.5	↑0.2
4/1 11:30	2.1	↑0.6
4/1 11:40	3.1	↑1.0
4/1 11:50	4.4	↑1.3
4/1 12:00	6.0	↑1.6
4/1 12:10	8.0	↑2.0
4/1 12:20	10.2	↑2.2
4/1 12:30	12.7	↑2.5
4/1 12:40	15.5	↑2.8
4/1 12:50	18.6	↑3.1
4/1 13:00	22.0	↑3.4
4/1 13:10	25.6	↑3.6
4/1 13:20	29.5	↑3.9
4/1 13:30	33.6	↑4.1
4/1 13:40	37.9	↑4.3
4/1 13:50	42.5	↑4.6
4/1 14:00	47.3	↑4.8
4/1 14:10	52.2	↑4.9
4/1 14:20	57.3	↑5.1
4/1 14:30	62.4	↑5.1
4/1 14:40	67.6	↑5.2
4/1 14:50	72.9	↑5.3
4/1 15:00	78.0	↑5.1
4/1 15:10	83.1	↑5.1
4/1 15:20	88.0	↑4.9
4/1 15:30	92.8	↑4.8
4/1 15:40	97.3	↑4.5
4/1 15:50	101.5	↑4.2
4/1 16:00	105.4	↑3.9
4/1 16:10	108.9	↑3.5
4/1 16:20	112.1	↑3.2
4/1 16:30	114.9	↑2.8
4/1 16:40	117.3	↑2.4
4/1 16:50	119.3	↑2.0
4/1 17:00	120.9	↑1.6
4/1 17:10	122.1	↑1.2
4/1 17:20	123.0	↑0.9
4/1 17:30	123.6	↑0.6
4/1 17:40	123.8	↑0.2	満潮
4/1 17:50	123.8	0
4/1 18:00	123.5	↓-0.3
4/1 18:10	123.0	↓-0.5
4/1 18:20	122.3	↓-0.7
4/1 18:30	121.3	↓-1.0
4/1 18:40	120.2	↓-1.1
4/1 18:50	118.9	↓-1.3
4/1 19:00	117.4	↓-1.5
4/1 19:10	115.7	↓-1.7
4/1 19:20	113.9	↓-1.8
4/1 19:30	111.9	↓-2.0
4/1 19:40	109.8	↓-2.1
4/1 19:50	107.5	↓-2.3
4/1 20:00	105.0	↓-2.5
4/1 20:10	102.5	↓-2.5
4/1 20:20	99.8	↓-2.7
4/1 20:30	97.1	↓-2.7
4/1 20:40	94.3	↓-2.8
4/1 20:50	91.4	↓-2.9
4/1 21:00	88.6	↓-2.8
4/1 21:10	85.9	↓-2.7
4/1 21:20	83.2	↓-2.7
4/1 21:30	80.7	↓-2.5
4/1 21:40	78.4	↓-2.3
4/1 21:50	76.3	↓-2.1
4/1 22:00	74.4	↓-1.9
4/1 22:10	72.8	↓-1.6
4/1 22:20	71.5	↓-1.3
4/1 22:30	70.5	↓-1.0
4/1 22:40	69.8	↓-0.7
4/1 22:50	69.5	↓-0.3	干潮
4/1 23:00	69.5	0
4/1 23:10	69.8	↑0.3
4/1 23:20	70.4	↑0.6
4/1 23:30	71.2	↑0.8
4/1 23:40	72.4	↑1.2
4/1 23:50	73.7	↑1.3