18 (月)	07:53	01:11	17:50	10:10
	63cm	28cm	112cm	62cm
中潮 出 06:51 入 15:45 出 11:01 入 21:40

コイセボイ（北海道）2023年12月18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
12/18 00:00	31.9	↓-1.2
12/18 00:10	30.8	↓-1.1
12/18 00:20	29.9	↓-0.9
12/18 00:30	29.1	↓-0.8
12/18 00:40	28.6	↓-0.5
12/18 00:50	28.2	↓-0.4
12/18 01:00	27.9	↓-0.3
12/18 01:10	27.9	0	干潮
12/18 01:20	27.9	0
12/18 01:30	28.2	↑0.3
12/18 01:40	28.6	↑0.4
12/18 01:50	29.1	↑0.5
12/18 02:00	29.7	↑0.6
12/18 02:10	30.5	↑0.8
12/18 02:20	31.3	↑0.8
12/18 02:30	32.3	↑1.0
12/18 02:40	33.4	↑1.1
12/18 02:50	34.5	↑1.1
12/18 03:00	35.8	↑1.3
12/18 03:10	37.1	↑1.3
12/18 03:20	38.4	↑1.3
12/18 03:30	39.8	↑1.4
12/18 03:40	41.2	↑1.4
12/18 03:50	42.6	↑1.4
12/18 04:00	44.0	↑1.4
12/18 04:10	45.4	↑1.4
12/18 04:20	46.8	↑1.4
12/18 04:30	48.2	↑1.4
12/18 04:40	49.6	↑1.4
12/18 04:50	50.9	↑1.3
12/18 05:00	52.2	↑1.3
12/18 05:10	53.4	↑1.2
12/18 05:20	54.6	↑1.2
12/18 05:30	55.6	↑1.0
12/18 05:40	56.7	↑1.1
12/18 05:50	57.6	↑0.9
12/18 06:00	58.5	↑0.9
12/18 06:10	59.3	↑0.8
12/18 06:20	60.0	↑0.7
12/18 06:30	60.6	↑0.6
12/18 06:40	61.2	↑0.6
12/18 06:50	61.6	↑0.4
12/18 07:00	62.0	↑0.4
12/18 07:10	62.3	↑0.3
12/18 07:20	62.5	↑0.2
12/18 07:30	62.7	↑0.2
12/18 07:40	62.8	↑0.1
12/18 07:50	62.8	0	満潮
12/18 08:00	62.8	0
12/18 08:10	62.8	0
12/18 08:20	62.6	↓-0.2
12/18 08:30	62.5	↓-0.1
12/18 08:40	62.4	↓-0.1
12/18 08:50	62.2	↓-0.2
12/18 09:00	62.0	↓-0.2
12/18 09:10	61.8	↓-0.2
12/18 09:20	61.6	↓-0.2
12/18 09:30	61.4	↓-0.2
12/18 09:40	61.3	↓-0.1
12/18 09:50	61.2	↓-0.1
12/18 10:00	61.1	↓-0.1	干潮
12/18 10:10	61.1	0	干潮
12/18 10:20	61.1	0
12/18 10:30	61.2	↑0.1
12/18 10:40	61.4	↑0.2
12/18 10:50	61.6	↑0.2
12/18 11:00	61.9	↑0.3
12/18 11:10	62.3	↑0.4
12/18 11:20	62.8	↑0.5
12/18 11:30	63.4	↑0.6
12/18 11:40	64.1	↑0.7
12/18 11:50	64.8	↑0.7
12/18 12:00	65.7	↑0.9
12/18 12:10	66.6	↑0.9
12/18 12:20	67.7	↑1.1
12/18 12:30	68.8	↑1.1
12/18 12:40	70.1	↑1.3
12/18 12:50	71.4	↑1.3
12/18 13:00	72.8	↑1.4
12/18 13:10	74.2	↑1.4
12/18 13:20	75.8	↑1.6
12/18 13:30	77.4	↑1.6
12/18 13:40	79.1	↑1.7
12/18 13:50	80.8	↑1.7
12/18 14:00	82.5	↑1.7
12/18 14:10	84.3	↑1.8
12/18 14:20	86.1	↑1.8
12/18 14:30	88.0	↑1.9
12/18 14:40	89.8	↑1.8
12/18 14:50	91.6	↑1.8
12/18 15:00	93.4	↑1.8
12/18 15:10	95.2	↑1.8
12/18 15:20	97.0	↑1.8
12/18 15:30	98.7	↑1.7
12/18 15:40	100.3	↑1.6
12/18 15:50	101.9	↑1.6
12/18 16:00	103.4	↑1.5
12/18 16:10	104.8	↑1.4
12/18 16:20	106.1	↑1.3
12/18 16:30	107.2	↑1.1
12/18 16:40	108.3	↑1.1
12/18 16:50	109.3	↑1.0
12/18 17:00	110.1	↑0.8
12/18 17:10	110.7	↑0.6
12/18 17:20	111.3	↑0.6
12/18 17:30	111.7	↑0.4
12/18 17:40	111.9	↑0.2	満潮
12/18 17:50	111.9	0	満潮
12/18 18:00	111.8	↓-0.1
12/18 18:10	111.6	↓-0.2
12/18 18:20	111.2	↓-0.4
12/18 18:30	110.6	↓-0.6
12/18 18:40	109.8	↓-0.8
12/18 18:50	108.9	↓-0.9
12/18 19:00	107.9	↓-1.0
12/18 19:10	106.6	↓-1.3
12/18 19:20	105.3	↓-1.3
12/18 19:30	103.8	↓-1.5
12/18 19:40	102.1	↓-1.7
12/18 19:50	100.4	↓-1.7
12/18 20:00	98.5	↓-1.9
12/18 20:10	96.4	↓-2.1
12/18 20:20	94.3	↓-2.1
12/18 20:30	92.1	↓-2.2
12/18 20:40	89.8	↓-2.3
12/18 20:50	87.5	↓-2.3
12/18 21:00	85.0	↓-2.5
12/18 21:10	82.6	↓-2.4
12/18 21:20	80.1	↓-2.5
12/18 21:30	77.5	↓-2.6	最大潮位差
12/18 21:40	75.0	↓-2.5
12/18 21:50	72.4	↓-2.6	最大潮位差
12/18 22:00	69.9	↓-2.5
12/18 22:10	67.4	↓-2.5
12/18 22:20	64.9	↓-2.5
12/18 22:30	62.4	↓-2.5
12/18 22:40	60.1	↓-2.3
12/18 22:50	57.7	↓-2.4
12/18 23:00	55.5	↓-2.2
12/18 23:10	53.4	↓-2.1
12/18 23:20	51.3	↓-2.1
12/18 23:30	49.4	↓-1.9
12/18 23:40	47.5	↓-1.9
12/18 23:50	45.8	↓-1.7