9 (日)	02:33	09:06	15:36	21:13
	129cm	21cm	131cm	54cm
大潮 出 05:03 入 18:10 出 18:13 入 04:22 潮干狩り ○ 07:38～10:41

苫小牧（北海道）2028年04月9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
4/9 00:00	92.6	↑3.9
4/9 00:10	96.5	↑3.9
4/9 00:20	100.3	↑3.8
4/9 00:30	104.0	↑3.7
4/9 00:40	107.6	↑3.6
4/9 00:50	111.0	↑3.4
4/9 01:00	114.2	↑3.2
4/9 01:10	117.1	↑2.9
4/9 01:20	119.7	↑2.6
4/9 01:30	122.0	↑2.3
4/9 01:40	124.0	↑2.0
4/9 01:50	125.6	↑1.6
4/9 02:00	126.9	↑1.3
4/9 02:10	127.8	↑0.9
4/9 02:20	128.4	↑0.6
4/9 02:30	128.6	↑0.2	満潮
4/9 02:40	128.5	↓-0.1
4/9 02:50	128.1	↓-0.4
4/9 03:00	127.4	↓-0.7
4/9 03:10	126.4	↓-1.0
4/9 03:20	125.1	↓-1.3
4/9 03:30	123.6	↓-1.5
4/9 03:40	121.8	↓-1.8
4/9 03:50	119.8	↓-2.0
4/9 04:00	117.5	↓-2.3
4/9 04:10	115.0	↓-2.5
4/9 04:20	112.2	↓-2.8
4/9 04:30	109.3	↓-2.9
4/9 04:40	106.1	↓-3.2
4/9 04:50	102.7	↓-3.4
4/9 05:00	99.1	↓-3.6
4/9 05:10	95.2	↓-3.9
4/9 05:20	91.2	↓-4.0
4/9 05:30	87.0	↓-4.2
4/9 05:40	82.7	↓-4.3
4/9 05:50	78.3	↓-4.4
4/9 06:00	73.8	↓-4.5
4/9 06:10	69.2	↓-4.6
4/9 06:20	64.6	↓-4.6
4/9 06:30	60.1	↓-4.5
4/9 06:40	55.6	↓-4.5
4/9 06:50	51.3	↓-4.3
4/9 07:00	47.1	↓-4.2
4/9 07:10	43.2	↓-3.9
4/9 07:20	39.5	↓-3.7
4/9 07:30	36.0	↓-3.5
4/9 07:40	32.9	↓-3.1
4/9 07:50	30.1	↓-2.8
4/9 08:00	27.7	↓-2.4
4/9 08:10	25.6	↓-2.1
4/9 08:20	23.8	↓-1.8
4/9 08:30	22.5	↓-1.3
4/9 08:40	21.4	↓-1.1
4/9 08:50	20.8	↓-0.6
4/9 09:00	20.4	↓-0.4	干潮
4/9 09:10	20.4	0
4/9 09:20	20.7	↑0.3
4/9 09:30	21.3	↑0.6
4/9 09:40	22.3	↑1.0
4/9 09:50	23.5	↑1.2
4/9 10:00	25.0	↑1.5
4/9 10:10	26.8	↑1.8
4/9 10:20	28.8	↑2.0
4/9 10:30	31.2	↑2.4
4/9 10:40	33.8	↑2.6
4/9 10:50	36.7	↑2.9
4/9 11:00	39.9	↑3.2
4/9 11:10	43.4	↑3.5
4/9 11:20	47.1	↑3.7
4/9 11:30	51.0	↑3.9
4/9 11:40	55.2	↑4.2
4/9 11:50	59.6	↑4.4
4/9 12:00	64.1	↑4.5
4/9 12:10	68.8	↑4.7
4/9 12:20	73.6	↑4.8	最大潮位差
4/9 12:30	78.4	↑4.8	最大潮位差
4/9 12:40	83.2	↑4.8	最大潮位差
4/9 12:50	87.9	↑4.7
4/9 13:00	92.6	↑4.7
4/9 13:10	97.1	↑4.5
4/9 13:20	101.5	↑4.4
4/9 13:30	105.6	↑4.1
4/9 13:40	109.4	↑3.8
4/9 13:50	113.0	↑3.6
4/9 14:00	116.2	↑3.2
4/9 14:10	119.2	↑3.0
4/9 14:20	121.7	↑2.5
4/9 14:30	124.0	↑2.3
4/9 14:40	125.9	↑1.9
4/9 14:50	127.4	↑1.5
4/9 15:00	128.6	↑1.2
4/9 15:10	129.5	↑0.9
4/9 15:20	130.1	↑0.6
4/9 15:30	130.4	↑0.3	満潮
4/9 15:40	130.4	0
4/9 15:50	130.1	↓-0.3
4/9 16:00	129.5	↓-0.6
4/9 16:10	128.7	↓-0.8
4/9 16:20	127.7	↓-1.0
4/9 16:30	126.3	↓-1.4
4/9 16:40	124.7	↓-1.6
4/9 16:50	122.9	↓-1.8
4/9 17:00	120.8	↓-2.1
4/9 17:10	118.4	↓-2.4
4/9 17:20	115.9	↓-2.5
4/9 17:30	113.0	↓-2.9
4/9 17:40	110.0	↓-3.0
4/9 17:50	106.7	↓-3.3
4/9 18:00	103.3	↓-3.4
4/9 18:10	99.7	↓-3.6
4/9 18:20	96.0	↓-3.7
4/9 18:30	92.2	↓-3.8
4/9 18:40	88.4	↓-3.8
4/9 18:50	84.6	↓-3.8
4/9 19:00	80.8	↓-3.8
4/9 19:10	77.2	↓-3.6
4/9 19:20	73.7	↓-3.5
4/9 19:30	70.4	↓-3.3
4/9 19:40	67.3	↓-3.1
4/9 19:50	64.4	↓-2.9
4/9 20:00	61.9	↓-2.5
4/9 20:10	59.7	↓-2.2
4/9 20:20	57.8	↓-1.9
4/9 20:30	56.2	↓-1.6
4/9 20:40	55.0	↓-1.2
4/9 20:50	54.1	↓-0.9
4/9 21:00	53.6	↓-0.5
4/9 21:10	53.4	↓-0.2	干潮
4/9 21:20	53.5	↑0.1
4/9 21:30	53.8	↑0.3
4/9 21:40	54.5	↑0.7
4/9 21:50	55.4	↑0.9
4/9 22:00	56.6	↑1.2
4/9 22:10	58.0	↑1.4
4/9 22:20	59.7	↑1.7
4/9 22:30	61.6	↑1.9
4/9 22:40	63.7	↑2.1
4/9 22:50	66.0	↑2.3
4/9 23:00	68.6	↑2.6
4/9 23:10	71.4	↑2.8
4/9 23:20	74.3	↑2.9
4/9 23:30	77.5	↑3.2
4/9 23:40	80.8	↑3.3
4/9 23:50	84.4	↑3.6