20 (水)	11:05	19:38	-	-
	111cm	30cm	-	-
中潮 出 06:52 入 15:46 出 12:28 入 02:37

コイセボイ（北海道）2045年12月20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
12/20 00:00	62.0	↑0.4
12/20 00:10	62.4	↑0.4
12/20 00:20	62.8	↑0.4
12/20 00:30	63.1	↑0.3
12/20 00:40	63.3	↑0.2
12/20 00:50	63.6	↑0.3
12/20 01:00	63.8	↑0.2
12/20 01:10	63.9	↑0.1
12/20 01:20	64.0	↑0.1
12/20 01:30	64.1	↑0.1
12/20 01:40	64.2	↑0.1
12/20 01:50	64.3	↑0.1
12/20 02:00	64.3	0
12/20 02:10	64.4	↑0.1
12/20 02:20	64.4	0
12/20 02:30	64.5	↑0.1
12/20 02:40	64.5	0
12/20 02:50	64.6	↑0.1
12/20 03:00	64.7	↑0.1
12/20 03:10	64.9	↑0.2
12/20 03:20	65.0	↑0.1
12/20 03:30	65.2	↑0.2
12/20 03:40	65.5	↑0.3
12/20 03:50	65.8	↑0.3
12/20 04:00	66.1	↑0.3
12/20 04:10	66.5	↑0.4
12/20 04:20	67.0	↑0.5
12/20 04:30	67.5	↑0.5
12/20 04:40	68.1	↑0.6
12/20 04:50	68.8	↑0.7
12/20 05:00	69.5	↑0.7
12/20 05:10	70.3	↑0.8
12/20 05:20	71.1	↑0.8
12/20 05:30	72.1	↑1.0
12/20 05:40	73.1	↑1.0
12/20 05:50	74.2	↑1.1
12/20 06:00	75.3	↑1.1
12/20 06:10	76.5	↑1.2
12/20 06:20	77.7	↑1.2
12/20 06:30	79.0	↑1.3
12/20 06:40	80.4	↑1.4
12/20 06:50	81.8	↑1.4
12/20 07:00	83.3	↑1.5
12/20 07:10	84.7	↑1.4
12/20 07:20	86.3	↑1.6
12/20 07:30	87.8	↑1.5
12/20 07:40	89.3	↑1.5
12/20 07:50	90.9	↑1.6
12/20 08:00	92.4	↑1.5
12/20 08:10	94.0	↑1.6
12/20 08:20	95.5	↑1.5
12/20 08:30	97.0	↑1.5
12/20 08:40	98.4	↑1.4
12/20 08:50	99.8	↑1.4
12/20 09:00	101.2	↑1.4
12/20 09:10	102.5	↑1.3
12/20 09:20	103.7	↑1.2
12/20 09:30	104.8	↑1.1
12/20 09:40	105.9	↑1.1
12/20 09:50	106.8	↑0.9
12/20 10:00	107.7	↑0.9
12/20 10:10	108.5	↑0.8
12/20 10:20	109.1	↑0.6
12/20 10:30	109.6	↑0.5
12/20 10:40	110.0	↑0.4
12/20 10:50	110.3	↑0.3
12/20 11:00	110.4	↑0.1	満潮
12/20 11:10	110.4	0
12/20 11:20	110.2	↓-0.2
12/20 11:30	109.9	↓-0.3
12/20 11:40	109.5	↓-0.4
12/20 11:50	108.9	↓-0.6
12/20 12:00	108.1	↓-0.8
12/20 12:10	107.3	↓-0.8
12/20 12:20	106.2	↓-1.1
12/20 12:30	105.1	↓-1.1
12/20 12:40	103.8	↓-1.3
12/20 12:50	102.3	↓-1.5
12/20 13:00	100.8	↓-1.5
12/20 13:10	99.1	↓-1.7
12/20 13:20	97.3	↓-1.8
12/20 13:30	95.4	↓-1.9
12/20 13:40	93.3	↓-2.1
12/20 13:50	91.2	↓-2.1
12/20 14:00	89.0	↓-2.2
12/20 14:10	86.7	↓-2.3
12/20 14:20	84.4	↓-2.3
12/20 14:30	82.0	↓-2.4
12/20 14:40	79.5	↓-2.5
12/20 14:50	77.0	↓-2.5
12/20 15:00	74.5	↓-2.5
12/20 15:10	71.9	↓-2.6	最大潮位差
12/20 15:20	69.4	↓-2.5
12/20 15:30	66.8	↓-2.6	最大潮位差
12/20 15:40	64.3	↓-2.5
12/20 15:50	61.8	↓-2.5
12/20 16:00	59.3	↓-2.5
12/20 16:10	56.9	↓-2.4
12/20 16:20	54.5	↓-2.4
12/20 16:30	52.2	↓-2.3
12/20 16:40	50.0	↓-2.2
12/20 16:50	47.8	↓-2.2
12/20 17:00	45.8	↓-2.0
12/20 17:10	43.8	↓-2.0
12/20 17:20	42.0	↓-1.8
12/20 17:30	40.2	↓-1.8
12/20 17:40	38.6	↓-1.6
12/20 17:50	37.1	↓-1.5
12/20 18:00	35.7	↓-1.4
12/20 18:10	34.5	↓-1.2
12/20 18:20	33.4	↓-1.1
12/20 18:30	32.4	↓-1.0
12/20 18:40	31.6	↓-0.8
12/20 18:50	30.9	↓-0.7
12/20 19:00	30.3	↓-0.6
12/20 19:10	29.9	↓-0.4
12/20 19:20	29.6	↓-0.3
12/20 19:30	29.5	↓-0.1	干潮
12/20 19:40	29.4	↓-0.1
12/20 19:50	29.5	↑0.1
12/20 20:00	29.8	↑0.3
12/20 20:10	30.1	↑0.3
12/20 20:20	30.6	↑0.5
12/20 20:30	31.1	↑0.5
12/20 20:40	31.8	↑0.7
12/20 20:50	32.5	↑0.7
12/20 21:00	33.4	↑0.9
12/20 21:10	34.3	↑0.9
12/20 21:20	35.3	↑1.0
12/20 21:30	36.3	↑1.0
12/20 21:40	37.4	↑1.1
12/20 21:50	38.6	↑1.2
12/20 22:00	39.7	↑1.1
12/20 22:10	41.0	↑1.3
12/20 22:20	42.2	↑1.2
12/20 22:30	43.4	↑1.2
12/20 22:40	44.7	↑1.3
12/20 22:50	45.9	↑1.2
12/20 23:00	47.2	↑1.3
12/20 23:10	48.4	↑1.2
12/20 23:20	49.6	↑1.2
12/20 23:30	50.8	↑1.2
12/20 23:40	51.9	↑1.1
12/20 23:50	53.0	↑1.1