18 (火)	05:56	09:02	16:13	-
	64cm	58cm	122cm	-
中潮 出 06:19 入 15:54 出 09:27 入 19:11

コイセボイ（北海道）2031年11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
11/18 00:00	16.8	↑0.6
11/18 00:10	17.6	↑0.8
11/18 00:20	18.6	↑1.0
11/18 00:30	19.7	↑1.1
11/18 00:40	21.0	↑1.3
11/18 00:50	22.4	↑1.4
11/18 01:00	23.9	↑1.5
11/18 01:10	25.5	↑1.6
11/18 01:20	27.2	↑1.7
11/18 01:30	29.0	↑1.8
11/18 01:40	30.9	↑1.9
11/18 01:50	32.8	↑1.9
11/18 02:00	34.7	↑1.9
11/18 02:10	36.7	↑2.0
11/18 02:20	38.6	↑1.9
11/18 02:30	40.6	↑2.0
11/18 02:40	42.5	↑1.9
11/18 02:50	44.4	↑1.9
11/18 03:00	46.3	↑1.9
11/18 03:10	48.1	↑1.8
11/18 03:20	49.8	↑1.7
11/18 03:30	51.5	↑1.7
11/18 03:40	53.0	↑1.5
11/18 03:50	54.5	↑1.5
11/18 04:00	55.9	↑1.4
11/18 04:10	57.1	↑1.2
11/18 04:20	58.3	↑1.2
11/18 04:30	59.3	↑1.0
11/18 04:40	60.2	↑0.9
11/18 04:50	61.0	↑0.8
11/18 05:00	61.7	↑0.7
11/18 05:10	62.2	↑0.5
11/18 05:20	62.6	↑0.4
11/18 05:30	63.0	↑0.4
11/18 05:40	63.2	↑0.2
11/18 05:50	63.3	↑0.1	満潮
11/18 06:00	63.3	0
11/18 06:10	63.2	↓-0.1
11/18 06:20	63.0	↓-0.2
11/18 06:30	62.7	↓-0.3
11/18 06:40	62.4	↓-0.3
11/18 06:50	62.1	↓-0.3
11/18 07:00	61.6	↓-0.5
11/18 07:10	61.2	↓-0.4
11/18 07:20	60.7	↓-0.5
11/18 07:30	60.2	↓-0.5
11/18 07:40	59.8	↓-0.4
11/18 07:50	59.3	↓-0.5
11/18 08:00	58.9	↓-0.4
11/18 08:10	58.5	↓-0.4
11/18 08:20	58.1	↓-0.4
11/18 08:30	57.8	↓-0.3
11/18 08:40	57.6	↓-0.2
11/18 08:50	57.4	↓-0.2
11/18 09:00	57.4	0	干潮
11/18 09:10	57.4	0
11/18 09:20	57.6	↑0.2
11/18 09:30	57.8	↑0.2
11/18 09:40	58.2	↑0.4
11/18 09:50	58.7	↑0.5
11/18 10:00	59.4	↑0.7
11/18 10:10	60.2	↑0.8
11/18 10:20	61.1	↑0.9
11/18 10:30	62.1	↑1.0
11/18 10:40	63.3	↑1.2
11/18 10:50	64.6	↑1.3
11/18 11:00	66.0	↑1.4
11/18 11:10	67.6	↑1.6
11/18 11:20	69.3	↑1.7
11/18 11:30	71.1	↑1.8
11/18 11:40	73.0	↑1.9
11/18 11:50	75.0	↑2.0
11/18 12:00	77.1	↑2.1
11/18 12:10	79.3	↑2.2
11/18 12:20	81.5	↑2.2
11/18 12:30	83.8	↑2.3
11/18 12:40	86.2	↑2.4
11/18 12:50	88.6	↑2.4
11/18 13:00	91.0	↑2.4
11/18 13:10	93.4	↑2.4
11/18 13:20	95.8	↑2.4
11/18 13:30	98.1	↑2.3
11/18 13:40	100.5	↑2.4
11/18 13:50	102.8	↑2.3
11/18 14:00	105.0	↑2.2
11/18 14:10	107.1	↑2.1
11/18 14:20	109.1	↑2.0
11/18 14:30	111.0	↑1.9
11/18 14:40	112.8	↑1.8
11/18 14:50	114.5	↑1.7
11/18 15:00	116.0	↑1.5
11/18 15:10	117.3	↑1.3
11/18 15:20	118.4	↑1.1
11/18 15:30	119.4	↑1.0
11/18 15:40	120.2	↑0.8
11/18 15:50	120.8	↑0.6
11/18 16:00	121.2	↑0.4
11/18 16:10	121.3	↑0.1	満潮
11/18 16:20	121.3	0
11/18 16:30	121.0	↓-0.3
11/18 16:40	120.5	↓-0.5
11/18 16:50	119.8	↓-0.7
11/18 17:00	118.8	↓-1.0
11/18 17:10	117.7	↓-1.1
11/18 17:20	116.3	↓-1.4
11/18 17:30	114.7	↓-1.6
11/18 17:40	112.9	↓-1.8
11/18 17:50	110.9	↓-2.0
11/18 18:00	108.8	↓-2.1
11/18 18:10	106.4	↓-2.4
11/18 18:20	103.9	↓-2.5
11/18 18:30	101.2	↓-2.7
11/18 18:40	98.4	↓-2.8
11/18 18:50	95.4	↓-3.0
11/18 19:00	92.4	↓-3.0
11/18 19:10	89.2	↓-3.2
11/18 19:20	85.9	↓-3.3
11/18 19:30	82.6	↓-3.3
11/18 19:40	79.2	↓-3.4
11/18 19:50	75.8	↓-3.4
11/18 20:00	72.3	↓-3.5	最大潮位差
11/18 20:10	68.8	↓-3.5	最大潮位差
11/18 20:20	65.4	↓-3.4
11/18 20:30	62.0	↓-3.4
11/18 20:40	58.6	↓-3.4
11/18 20:50	55.3	↓-3.3
11/18 21:00	52.1	↓-3.2
11/18 21:10	48.9	↓-3.2
11/18 21:20	45.9	↓-3.0
11/18 21:30	43.0	↓-2.9
11/18 21:40	40.2	↓-2.8
11/18 21:50	37.5	↓-2.7
11/18 22:00	35.1	↓-2.4
11/18 22:10	32.7	↓-2.4
11/18 22:20	30.6	↓-2.1
11/18 22:30	28.6	↓-2.0
11/18 22:40	26.8	↓-1.8
11/18 22:50	25.3	↓-1.5
11/18 23:00	23.9	↓-1.4
11/18 23:10	22.7	↓-1.2
11/18 23:20	21.7	↓-1.0
11/18 23:30	20.9	↓-0.8
11/18 23:40	20.3	↓-0.6
11/18 23:50	19.9	↓-0.4