9 (水)	03:09	10:18	16:41	21:17
	100cm	11cm	69cm	46cm
中潮 出 04:50 入 17:58 出 19:58 入 05:15 潮干狩り ◎ 08:24～12:18

コイセボイ（北海道）2031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	70.4	↑2.3
4/9 00:10	72.7	↑2.3
4/9 00:20	75.0	↑2.3
4/9 00:30	77.4	↑2.4
4/9 00:40	79.6	↑2.2
4/9 00:50	81.9	↑2.3
4/9 01:00	84.1	↑2.2
4/9 01:10	86.2	↑2.1
4/9 01:20	88.2	↑2.0
4/9 01:30	90.1	↑1.9
4/9 01:40	91.8	↑1.7
4/9 01:50	93.4	↑1.6
4/9 02:00	94.9	↑1.5
4/9 02:10	96.2	↑1.3
4/9 02:20	97.3	↑1.1
4/9 02:30	98.2	↑0.9
4/9 02:40	99.0	↑0.8
4/9 02:50	99.5	↑0.5
4/9 03:00	99.8	↑0.3	満潮
4/9 03:10	99.8	0
4/9 03:20	99.7	↓-0.1
4/9 03:30	99.3	↓-0.4
4/9 03:40	98.7	↓-0.6
4/9 03:50	97.9	↓-0.8
4/9 04:00	96.8	↓-1.1
4/9 04:10	95.5	↓-1.3
4/9 04:20	94.0	↓-1.5
4/9 04:30	92.3	↓-1.7
4/9 04:40	90.4	↓-1.9
4/9 04:50	88.3	↓-2.1
4/9 05:00	86.0	↓-2.3
4/9 05:10	83.5	↓-2.5
4/9 05:20	80.9	↓-2.6
4/9 05:30	78.1	↓-2.8
4/9 05:40	75.2	↓-2.9
4/9 05:50	72.2	↓-3.0
4/9 06:00	69.1	↓-3.1
4/9 06:10	65.9	↓-3.2
4/9 06:20	62.6	↓-3.3
4/9 06:30	59.3	↓-3.3
4/9 06:40	56.0	↓-3.3
4/9 06:50	52.7	↓-3.3
4/9 07:00	49.3	↓-3.4	最大潮位差
4/9 07:10	46.0	↓-3.3
4/9 07:20	42.8	↓-3.2
4/9 07:30	39.6	↓-3.2
4/9 07:40	36.6	↓-3.0
4/9 07:50	33.6	↓-3.0
4/9 08:00	30.7	↓-2.9
4/9 08:10	28.0	↓-2.7
4/9 08:20	25.4	↓-2.6
4/9 08:30	23.0	↓-2.4
4/9 08:40	20.8	↓-2.2
4/9 08:50	18.8	↓-2.0
4/9 09:00	16.9	↓-1.9
4/9 09:10	15.3	↓-1.6
4/9 09:20	13.9	↓-1.4
4/9 09:30	12.7	↓-1.2
4/9 09:40	11.7	↓-1.0
4/9 09:50	10.9	↓-0.8
4/9 10:00	10.4	↓-0.5
4/9 10:10	10.2	↓-0.2	干潮
4/9 10:20	10.1	↓-0.1
4/9 10:30	10.3	↑0.2
4/9 10:40	10.7	↑0.4
4/9 10:50	11.3	↑0.6
4/9 11:00	12.1	↑0.8
4/9 11:10	13.1	↑1.0
4/9 11:20	14.3	↑1.2
4/9 11:30	15.7	↑1.4
4/9 11:40	17.3	↑1.6
4/9 11:50	19.0	↑1.7
4/9 12:00	20.9	↑1.9
4/9 12:10	22.9	↑2.0
4/9 12:20	25.0	↑2.1
4/9 12:30	27.2	↑2.2
4/9 12:40	29.4	↑2.2
4/9 12:50	31.8	↑2.4
4/9 13:00	34.1	↑2.3
4/9 13:10	36.5	↑2.4
4/9 13:20	39.0	↑2.5
4/9 13:30	41.4	↑2.4
4/9 13:40	43.8	↑2.4
4/9 13:50	46.1	↑2.3
4/9 14:00	48.4	↑2.3
4/9 14:10	50.6	↑2.2
4/9 14:20	52.8	↑2.2
4/9 14:30	54.8	↑2.0
4/9 14:40	56.8	↑2.0
4/9 14:50	58.6	↑1.8
4/9 15:00	60.3	↑1.7
4/9 15:10	61.8	↑1.5
4/9 15:20	63.2	↑1.4
4/9 15:30	64.5	↑1.3
4/9 15:40	65.5	↑1.0
4/9 15:50	66.5	↑1.0
4/9 16:00	67.2	↑0.7
4/9 16:10	67.8	↑0.6
4/9 16:20	68.2	↑0.4
4/9 16:30	68.5	↑0.3
4/9 16:40	68.5	0	満潮
4/9 16:50	68.5	0
4/9 17:00	68.2	↓-0.3
4/9 17:10	67.9	↓-0.3
4/9 17:20	67.3	↓-0.6
4/9 17:30	66.7	↓-0.6
4/9 17:40	65.9	↓-0.8
4/9 17:50	65.1	↓-0.8
4/9 18:00	64.1	↓-1.0
4/9 18:10	63.0	↓-1.1
4/9 18:20	61.9	↓-1.1
4/9 18:30	60.7	↓-1.2
4/9 18:40	59.5	↓-1.2
4/9 18:50	58.3	↓-1.2
4/9 19:00	57.0	↓-1.3
4/9 19:10	55.7	↓-1.3
4/9 19:20	54.5	↓-1.2
4/9 19:30	53.3	↓-1.2
4/9 19:40	52.1	↓-1.2
4/9 19:50	51.0	↓-1.1
4/9 20:00	50.0	↓-1.0
4/9 20:10	49.1	↓-0.9
4/9 20:20	48.2	↓-0.9
4/9 20:30	47.5	↓-0.7
4/9 20:40	46.9	↓-0.6
4/9 20:50	46.5	↓-0.4
4/9 21:00	46.2	↓-0.3
4/9 21:10	46.0	↓-0.2	干潮
4/9 21:20	46.0	0
4/9 21:30	46.1	↑0.1
4/9 21:40	46.4	↑0.3
4/9 21:50	46.9	↑0.5
4/9 22:00	47.6	↑0.7
4/9 22:10	48.4	↑0.8
4/9 22:20	49.4	↑1.0
4/9 22:30	50.5	↑1.1
4/9 22:40	51.8	↑1.3
4/9 22:50	53.3	↑1.5
4/9 23:00	54.9	↑1.6
4/9 23:10	56.7	↑1.8
4/9 23:20	58.5	↑1.8
4/9 23:30	60.5	↑2.0
4/9 23:40	62.6	↑2.1
4/9 23:50	64.8	↑2.2