9 (日)	03:58	11:23	17:48	21:43
	105cm	9cm	62cm	49cm
中潮 出 04:50 入 17:58 出 21:36 入 06:05 潮干狩り ◎ 09:21～13:35

コイセボイ（北海道）2023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	63.7	↑2.0
4/9 00:10	65.8	↑2.1
4/9 00:20	68.0	↑2.2
4/9 00:30	70.2	↑2.2
4/9 00:40	72.5	↑2.3
4/9 00:50	74.9	↑2.4
4/9 01:00	77.2	↑2.3
4/9 01:10	79.6	↑2.4
4/9 01:20	81.9	↑2.3
4/9 01:30	84.2	↑2.3
4/9 01:40	86.4	↑2.2
4/9 01:50	88.6	↑2.2
4/9 02:00	90.7	↑2.1
4/9 02:10	92.7	↑2.0
4/9 02:20	94.6	↑1.9
4/9 02:30	96.3	↑1.7
4/9 02:40	97.9	↑1.6
4/9 02:50	99.4	↑1.5
4/9 03:00	100.7	↑1.3
4/9 03:10	101.8	↑1.1
4/9 03:20	102.7	↑0.9
4/9 03:30	103.4	↑0.7
4/9 03:40	103.9	↑0.5
4/9 03:50	104.1	↑0.2	満潮
4/9 04:00	104.2	↑0.1
4/9 04:10	104.0	↓-0.2
4/9 04:20	103.6	↓-0.4
4/9 04:30	103.0	↓-0.6
4/9 04:40	102.1	↓-0.9
4/9 04:50	101.0	↓-1.1
4/9 05:00	99.7	↓-1.3
4/9 05:10	98.2	↓-1.5
4/9 05:20	96.4	↓-1.8
4/9 05:30	94.5	↓-1.9
4/9 05:40	92.3	↓-2.2
4/9 05:50	90.0	↓-2.3
4/9 06:00	87.4	↓-2.6
4/9 06:10	84.8	↓-2.6
4/9 06:20	81.9	↓-2.9
4/9 06:30	79.0	↓-2.9
4/9 06:40	75.9	↓-3.1
4/9 06:50	72.7	↓-3.2
4/9 07:00	69.5	↓-3.2
4/9 07:10	66.1	↓-3.4
4/9 07:20	62.7	↓-3.4
4/9 07:30	59.3	↓-3.4
4/9 07:40	55.9	↓-3.4
4/9 07:50	52.4	↓-3.5	最大潮位差
4/9 08:00	49.0	↓-3.4
4/9 08:10	45.7	↓-3.3
4/9 08:20	42.4	↓-3.3
4/9 08:30	39.1	↓-3.3
4/9 08:40	36.0	↓-3.1
4/9 08:50	33.0	↓-3.0
4/9 09:00	30.0	↓-3.0
4/9 09:10	27.3	↓-2.7
4/9 09:20	24.7	↓-2.6
4/9 09:30	22.2	↓-2.5
4/9 09:40	19.9	↓-2.3
4/9 09:50	17.9	↓-2.0
4/9 10:00	16.0	↓-1.9
4/9 10:10	14.3	↓-1.7
4/9 10:20	12.8	↓-1.5
4/9 10:30	11.6	↓-1.2
4/9 10:40	10.5	↓-1.1
4/9 10:50	9.7	↓-0.8
4/9 11:00	9.1	↓-0.6
4/9 11:10	8.8	↓-0.3
4/9 11:20	8.6	↓-0.2	干潮
4/9 11:30	8.7	↑0.1
4/9 11:40	9.0	↑0.3
4/9 11:50	9.4	↑0.4
4/9 12:00	10.1	↑0.7
4/9 12:10	11.0	↑0.9
4/9 12:20	12.1	↑1.1
4/9 12:30	13.3	↑1.2
4/9 12:40	14.7	↑1.4
4/9 12:50	16.2	↑1.5
4/9 13:00	17.8	↑1.6
4/9 13:10	19.6	↑1.8
4/9 13:20	21.5	↑1.9
4/9 13:30	23.4	↑1.9
4/9 13:40	25.5	↑2.1
4/9 13:50	27.6	↑2.1
4/9 14:00	29.7	↑2.1
4/9 14:10	31.9	↑2.2
4/9 14:20	34.1	↑2.2
4/9 14:30	36.2	↑2.1
4/9 14:40	38.4	↑2.2
4/9 14:50	40.5	↑2.1
4/9 15:00	42.6	↑2.1
4/9 15:10	44.6	↑2.0
4/9 15:20	46.5	↑1.9
4/9 15:30	48.3	↑1.8
4/9 15:40	50.1	↑1.8
4/9 15:50	51.7	↑1.6
4/9 16:00	53.3	↑1.6
4/9 16:10	54.7	↑1.4
4/9 16:20	55.9	↑1.2
4/9 16:30	57.1	↑1.2
4/9 16:40	58.1	↑1.0
4/9 16:50	58.9	↑0.8
4/9 17:00	59.7	↑0.8
4/9 17:10	60.2	↑0.5
4/9 17:20	60.7	↑0.5
4/9 17:30	61.0	↑0.3
4/9 17:40	61.1	↑0.1	満潮
4/9 17:50	61.2	↑0.1
4/9 18:00	61.1	↓-0.1
4/9 18:10	60.8	↓-0.3
4/9 18:20	60.5	↓-0.3
4/9 18:30	60.1	↓-0.4
4/9 18:40	59.6	↓-0.5
4/9 18:50	59.0	↓-0.6
4/9 19:00	58.3	↓-0.7
4/9 19:10	57.6	↓-0.7
4/9 19:20	56.8	↓-0.8
4/9 19:30	56.0	↓-0.8
4/9 19:40	55.2	↓-0.8
4/9 19:50	54.3	↓-0.9
4/9 20:00	53.5	↓-0.8
4/9 20:10	52.7	↓-0.8
4/9 20:20	51.9	↓-0.8
4/9 20:30	51.2	↓-0.7
4/9 20:40	50.5	↓-0.7
4/9 20:50	49.9	↓-0.6
4/9 21:00	49.4	↓-0.5
4/9 21:10	49.0	↓-0.4
4/9 21:20	48.6	↓-0.4
4/9 21:30	48.4	↓-0.2
4/9 21:40	48.3	↓-0.1	干潮
4/9 21:50	48.4	↑0.1
4/9 22:00	48.5	↑0.1
4/9 22:10	48.8	↑0.3
4/9 22:20	49.3	↑0.5
4/9 22:30	49.9	↑0.6
4/9 22:40	50.6	↑0.7
4/9 22:50	51.5	↑0.9
4/9 23:00	52.6	↑1.1
4/9 23:10	53.8	↑1.2
4/9 23:20	55.1	↑1.3
4/9 23:30	56.6	↑1.5
4/9 23:40	58.2	↑1.6
4/9 23:50	59.9	↑1.7