9 (土)	02:49	09:06	15:35	21:22
	80cm	22cm	86cm	40cm
大潮 出 04:50 入 17:58 出 18:04 入 05:08 潮干狩り ○ 08:11～09:58

コイセボイ（北海道）2039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	58.1	↑2.0
4/9 00:10	60.0	↑1.9
4/9 00:20	62.0	↑2.0
4/9 00:30	63.9	↑1.9
4/9 00:40	65.8	↑1.9
4/9 00:50	67.6	↑1.8
4/9 01:00	69.3	↑1.7
4/9 01:10	71.0	↑1.7
4/9 01:20	72.5	↑1.5
4/9 01:30	73.9	↑1.4
4/9 01:40	75.1	↑1.2
4/9 01:50	76.2	↑1.1
4/9 02:00	77.2	↑1.0
4/9 02:10	78.0	↑0.8
4/9 02:20	78.6	↑0.6
4/9 02:30	79.0	↑0.4
4/9 02:40	79.2	↑0.2	満潮
4/9 02:50	79.3	↑0.1
4/9 03:00	79.2	↓-0.1
4/9 03:10	78.8	↓-0.4
4/9 03:20	78.3	↓-0.5
4/9 03:30	77.6	↓-0.7
4/9 03:40	76.7	↓-0.9
4/9 03:50	75.7	↓-1.0
4/9 04:00	74.4	↓-1.3
4/9 04:10	73.0	↓-1.4
4/9 04:20	71.5	↓-1.5
4/9 04:30	69.8	↓-1.7
4/9 04:40	67.9	↓-1.9
4/9 04:50	66.0	↓-1.9
4/9 05:00	63.9	↓-2.1
4/9 05:10	61.7	↓-2.2
4/9 05:20	59.5	↓-2.2
4/9 05:30	57.1	↓-2.4
4/9 05:40	54.8	↓-2.3
4/9 05:50	52.4	↓-2.4
4/9 06:00	50.0	↓-2.4
4/9 06:10	47.6	↓-2.4
4/9 06:20	45.2	↓-2.4
4/9 06:30	42.8	↓-2.4
4/9 06:40	40.5	↓-2.3
4/9 06:50	38.2	↓-2.3
4/9 07:00	36.1	↓-2.1
4/9 07:10	34.0	↓-2.1
4/9 07:20	32.1	↓-1.9
4/9 07:30	30.3	↓-1.8
4/9 07:40	28.6	↓-1.7
4/9 07:50	27.1	↓-1.5
4/9 08:00	25.7	↓-1.4
4/9 08:10	24.5	↓-1.2
4/9 08:20	23.5	↓-1.0
4/9 08:30	22.7	↓-0.8
4/9 08:40	22.1	↓-0.6
4/9 08:50	21.7	↓-0.4
4/9 09:00	21.5	↓-0.2	干潮
4/9 09:10	21.5	0
4/9 09:20	21.8	↑0.3
4/9 09:30	22.2	↑0.4
4/9 09:40	22.8	↑0.6
4/9 09:50	23.7	↑0.9
4/9 10:00	24.7	↑1.0
4/9 10:10	25.9	↑1.2
4/9 10:20	27.3	↑1.4
4/9 10:30	28.9	↑1.6
4/9 10:40	30.6	↑1.7
4/9 10:50	32.5	↑1.9
4/9 11:00	34.6	↑2.1
4/9 11:10	36.7	↑2.1
4/9 11:20	39.0	↑2.3
4/9 11:30	41.4	↑2.4
4/9 11:40	43.8	↑2.4
4/9 11:50	46.3	↑2.5
4/9 12:00	48.9	↑2.6	最大潮位差
4/9 12:10	51.5	↑2.6	最大潮位差
4/9 12:20	54.1	↑2.6	最大潮位差
4/9 12:30	56.7	↑2.6	最大潮位差
4/9 12:40	59.2	↑2.5
4/9 12:50	61.8	↑2.6	最大潮位差
4/9 13:00	64.3	↑2.5
4/9 13:10	66.7	↑2.4
4/9 13:20	69.0	↑2.3
4/9 13:30	71.2	↑2.2
4/9 13:40	73.3	↑2.1
4/9 13:50	75.3	↑2.0
4/9 14:00	77.1	↑1.8
4/9 14:10	78.8	↑1.7
4/9 14:20	80.3	↑1.5
4/9 14:30	81.7	↑1.4
4/9 14:40	82.8	↑1.1
4/9 14:50	83.8	↑1.0
4/9 15:00	84.6	↑0.8
4/9 15:10	85.2	↑0.6
4/9 15:20	85.5	↑0.3
4/9 15:30	85.7	↑0.2	満潮
4/9 15:40	85.7	0
4/9 15:50	85.5	↓-0.2
4/9 16:00	85.1	↓-0.4
4/9 16:10	84.5	↓-0.6
4/9 16:20	83.7	↓-0.8
4/9 16:30	82.8	↓-0.9
4/9 16:40	81.6	↓-1.2
4/9 16:50	80.4	↓-1.2
4/9 17:00	79.0	↓-1.4
4/9 17:10	77.4	↓-1.6
4/9 17:20	75.7	↓-1.7
4/9 17:30	74.0	↓-1.7
4/9 17:40	72.1	↓-1.9
4/9 17:50	70.2	↓-1.9
4/9 18:00	68.2	↓-2.0
4/9 18:10	66.1	↓-2.1
4/9 18:20	64.1	↓-2.0
4/9 18:30	62.0	↓-2.1
4/9 18:40	59.9	↓-2.1
4/9 18:50	57.9	↓-2.0
4/9 19:00	55.9	↓-2.0
4/9 19:10	53.9	↓-2.0
4/9 19:20	52.1	↓-1.8
4/9 19:30	50.3	↓-1.8
4/9 19:40	48.6	↓-1.7
4/9 19:50	47.0	↓-1.6
4/9 20:00	45.6	↓-1.4
4/9 20:10	44.3	↓-1.3
4/9 20:20	43.1	↓-1.2
4/9 20:30	42.1	↓-1.0
4/9 20:40	41.3	↓-0.8
4/9 20:50	40.6	↓-0.7
4/9 21:00	40.1	↓-0.5
4/9 21:10	39.8	↓-0.3
4/9 21:20	39.7	↓-0.1	干潮
4/9 21:30	39.8	↑0.1
4/9 21:40	40.1	↑0.3
4/9 21:50	40.5	↑0.4
4/9 22:00	41.1	↑0.6
4/9 22:10	42.0	↑0.9
4/9 22:20	42.9	↑0.9
4/9 22:30	44.1	↑1.2
4/9 22:40	45.4	↑1.3
4/9 22:50	46.8	↑1.4
4/9 23:00	48.4	↑1.6
4/9 23:10	50.1	↑1.7
4/9 23:20	51.9	↑1.8
4/9 23:30	53.8	↑1.9
4/9 23:40	55.7	↑1.9
4/9 23:50	57.8	↑2.1