9 (月)	07:00	00:40	17:20	09:28
	56cm	22cm	118cm	53cm
中潮 出 05:29 入 16:49 出 19:44 入 10:59

コイセボイ（北海道）2028年10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
10/9 00:00	22.4	↓-0.8
10/9 00:10	21.8	↓-0.6
10/9 00:20	21.4	↓-0.4
10/9 00:30	21.2	↓-0.2	干潮
10/9 00:40	21.1	↓-0.1	干潮
10/9 00:50	21.3	↑0.2
10/9 01:00	21.5	↑0.2
10/9 01:10	21.9	↑0.4
10/9 01:20	22.5	↑0.6
10/9 01:30	23.2	↑0.7
10/9 01:40	24.0	↑0.8
10/9 01:50	25.0	↑1.0
10/9 02:00	26.0	↑1.0
10/9 02:10	27.1	↑1.1
10/9 02:20	28.3	↑1.2
10/9 02:30	29.6	↑1.3
10/9 02:40	31.0	↑1.4
10/9 02:50	32.4	↑1.4
10/9 03:00	33.8	↑1.4
10/9 03:10	35.2	↑1.4
10/9 03:20	36.7	↑1.5
10/9 03:30	38.1	↑1.4
10/9 03:40	39.6	↑1.5
10/9 03:50	41.0	↑1.4
10/9 04:00	42.4	↑1.4
10/9 04:10	43.7	↑1.3
10/9 04:20	45.0	↑1.3
10/9 04:30	46.2	↑1.2
10/9 04:40	47.4	↑1.2
10/9 04:50	48.5	↑1.1
10/9 05:00	49.5	↑1.0
10/9 05:10	50.5	↑1.0
10/9 05:20	51.3	↑0.8
10/9 05:30	52.1	↑0.8
10/9 05:40	52.8	↑0.7
10/9 05:50	53.4	↑0.6
10/9 06:00	53.9	↑0.5
10/9 06:10	54.3	↑0.4
10/9 06:20	54.6	↑0.3
10/9 06:30	54.9	↑0.3
10/9 06:40	55.0	↑0.1
10/9 06:50	55.1	↑0.1	満潮
10/9 07:00	55.1	0	満潮
10/9 07:10	55.1	0
10/9 07:20	55.0	↓-0.1
10/9 07:30	54.9	↓-0.1
10/9 07:40	54.7	↓-0.2
10/9 07:50	54.5	↓-0.2
10/9 08:00	54.2	↓-0.3
10/9 08:10	54.0	↓-0.2
10/9 08:20	53.7	↓-0.3
10/9 08:30	53.5	↓-0.2
10/9 08:40	53.3	↓-0.2
10/9 08:50	53.1	↓-0.2
10/9 09:00	52.9	↓-0.2
10/9 09:10	52.8	↓-0.1
10/9 09:20	52.7	↓-0.1	干潮
10/9 09:30	52.7	0
10/9 09:40	52.7	0
10/9 09:50	52.9	↑0.2
10/9 10:00	53.1	↑0.2
10/9 10:10	53.4	↑0.3
10/9 10:20	53.8	↑0.4
10/9 10:30	54.3	↑0.5
10/9 10:40	54.9	↑0.6
10/9 10:50	55.6	↑0.7
10/9 11:00	56.5	↑0.9
10/9 11:10	57.4	↑0.9
10/9 11:20	58.5	↑1.1
10/9 11:30	59.7	↑1.2
10/9 11:40	61.0	↑1.3
10/9 11:50	62.4	↑1.4
10/9 12:00	63.9	↑1.5
10/9 12:10	65.5	↑1.6
10/9 12:20	67.2	↑1.7
10/9 12:30	69.1	↑1.9
10/9 12:40	71.0	↑1.9
10/9 12:50	72.9	↑1.9
10/9 13:00	75.0	↑2.1
10/9 13:10	77.1	↑2.1
10/9 13:20	79.3	↑2.2
10/9 13:30	81.5	↑2.2
10/9 13:40	83.8	↑2.3
10/9 13:50	86.0	↑2.2
10/9 14:00	88.3	↑2.3
10/9 14:10	90.6	↑2.3
10/9 14:20	92.8	↑2.2
10/9 14:30	95.1	↑2.3
10/9 14:40	97.3	↑2.2
10/9 14:50	99.4	↑2.1
10/9 15:00	101.5	↑2.1
10/9 15:10	103.5	↑2.0
10/9 15:20	105.4	↑1.9
10/9 15:30	107.2	↑1.8
10/9 15:40	108.8	↑1.6
10/9 15:50	110.4	↑1.6
10/9 16:00	111.8	↑1.4
10/9 16:10	113.1	↑1.3
10/9 16:20	114.3	↑1.2
10/9 16:30	115.2	↑0.9
10/9 16:40	116.0	↑0.8
10/9 16:50	116.7	↑0.7
10/9 17:00	117.1	↑0.4
10/9 17:10	117.4	↑0.3	満潮
10/9 17:20	117.5	↑0.1	満潮
10/9 17:30	117.4	↓-0.1
10/9 17:40	117.1	↓-0.3
10/9 17:50	116.6	↓-0.5
10/9 18:00	115.9	↓-0.7
10/9 18:10	115.0	↓-0.9
10/9 18:20	114.0	↓-1.0
10/9 18:30	112.7	↓-1.3
10/9 18:40	111.3	↓-1.4
10/9 18:50	109.7	↓-1.6
10/9 19:00	108.0	↓-1.7
10/9 19:10	106.1	↓-1.9
10/9 19:20	104.0	↓-2.1
10/9 19:30	101.8	↓-2.2
10/9 19:40	99.5	↓-2.3
10/9 19:50	97.0	↓-2.5
10/9 20:00	94.5	↓-2.5
10/9 20:10	91.8	↓-2.7
10/9 20:20	89.1	↓-2.7
10/9 20:30	86.3	↓-2.8
10/9 20:40	83.4	↓-2.9
10/9 20:50	80.5	↓-2.9
10/9 21:00	77.6	↓-2.9
10/9 21:10	74.6	↓-3.0	最大潮位差
10/9 21:20	71.6	↓-3.0	最大潮位差
10/9 21:30	68.7	↓-2.9
10/9 21:40	65.8	↓-2.9
10/9 21:50	62.9	↓-2.9
10/9 22:00	60.0	↓-2.9
10/9 22:10	57.2	↓-2.8
10/9 22:20	54.5	↓-2.7
10/9 22:30	51.9	↓-2.6
10/9 22:40	49.3	↓-2.6
10/9 22:50	46.9	↓-2.4
10/9 23:00	44.5	↓-2.4
10/9 23:10	42.3	↓-2.2
10/9 23:20	40.2	↓-2.1
10/9 23:30	38.3	↓-1.9
10/9 23:40	36.4	↓-1.9
10/9 23:50	34.8	↓-1.6