18 (火)	04:22	12:37	19:38	21:03
	120cm	13cm	53cm	53cm
中潮 出 03:38 入 19:08 出 22:41 入 07:16 潮干狩り ○ 10:44～14:46

コイセボイ（北海道）2041年06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
6/18 00:00	74.7	↑2.1
6/18 00:10	76.8	↑2.1
6/18 00:20	79.0	↑2.2
6/18 00:30	81.3	↑2.3
6/18 00:40	83.6	↑2.3
6/18 00:50	85.9	↑2.3
6/18 01:00	88.3	↑2.4
6/18 01:10	90.7	↑2.4
6/18 01:20	93.0	↑2.3
6/18 01:30	95.4	↑2.4
6/18 01:40	97.7	↑2.3
6/18 01:50	99.9	↑2.2
6/18 02:00	102.1	↑2.2
6/18 02:10	104.3	↑2.2
6/18 02:20	106.3	↑2.0
6/18 02:30	108.2	↑1.9
6/18 02:40	110.1	↑1.9
6/18 02:50	111.8	↑1.7
6/18 03:00	113.3	↑1.5
6/18 03:10	114.8	↑1.5
6/18 03:20	116.0	↑1.2
6/18 03:30	117.1	↑1.1
6/18 03:40	118.0	↑0.9
6/18 03:50	118.8	↑0.8
6/18 04:00	119.3	↑0.5
6/18 04:10	119.6	↑0.3
6/18 04:20	119.8	↑0.2	満潮
6/18 04:30	119.7	↓-0.1
6/18 04:40	119.4	↓-0.3
6/18 04:50	118.9	↓-0.5
6/18 05:00	118.2	↓-0.7
6/18 05:10	117.2	↓-1.0
6/18 05:20	116.1	↓-1.1
6/18 05:30	114.7	↓-1.4
6/18 05:40	113.2	↓-1.5
6/18 05:50	111.4	↓-1.8
6/18 06:00	109.5	↓-1.9
6/18 06:10	107.3	↓-2.2
6/18 06:20	105.0	↓-2.3
6/18 06:30	102.5	↓-2.5
6/18 06:40	99.9	↓-2.6
6/18 06:50	97.1	↓-2.8
6/18 07:00	94.2	↓-2.9
6/18 07:10	91.1	↓-3.1
6/18 07:20	88.0	↓-3.1
6/18 07:30	84.7	↓-3.3
6/18 07:40	81.4	↓-3.3
6/18 07:50	78.0	↓-3.4
6/18 08:00	74.6	↓-3.4
6/18 08:10	71.1	↓-3.5	最大潮位差
6/18 08:20	67.6	↓-3.5	最大潮位差
6/18 08:30	64.1	↓-3.5	最大潮位差
6/18 08:40	60.7	↓-3.4
6/18 08:50	57.2	↓-3.5	最大潮位差
6/18 09:00	53.8	↓-3.4
6/18 09:10	50.5	↓-3.3
6/18 09:20	47.2	↓-3.3
6/18 09:30	44.0	↓-3.2
6/18 09:40	41.0	↓-3.0
6/18 09:50	38.0	↓-3.0
6/18 10:00	35.2	↓-2.8
6/18 10:10	32.5	↓-2.7
6/18 10:20	29.9	↓-2.6
6/18 10:30	27.5	↓-2.4
6/18 10:40	25.3	↓-2.2
6/18 10:50	23.2	↓-2.1
6/18 11:00	21.4	↓-1.8
6/18 11:10	19.7	↓-1.7
6/18 11:20	18.2	↓-1.5
6/18 11:30	16.8	↓-1.4
6/18 11:40	15.7	↓-1.1
6/18 11:50	14.8	↓-0.9
6/18 12:00	14.0	↓-0.8
6/18 12:10	13.5	↓-0.5
6/18 12:20	13.1	↓-0.4
6/18 12:30	12.9	↓-0.2	干潮
6/18 12:40	12.9	0
6/18 12:50	13.1	↑0.2
6/18 13:00	13.4	↑0.3
6/18 13:10	13.9	↑0.5
6/18 13:20	14.5	↑0.6
6/18 13:30	15.3	↑0.8
6/18 13:40	16.2	↑0.9
6/18 13:50	17.2	↑1.0
6/18 14:00	18.3	↑1.1
6/18 14:10	19.5	↑1.2
6/18 14:20	20.9	↑1.4
6/18 14:30	22.2	↑1.3
6/18 14:40	23.7	↑1.5
6/18 14:50	25.2	↑1.5
6/18 15:00	26.7	↑1.5
6/18 15:10	28.3	↑1.6
6/18 15:20	29.9	↑1.6
6/18 15:30	31.5	↑1.6
6/18 15:40	33.0	↑1.5
6/18 15:50	34.6	↑1.6
6/18 16:00	36.1	↑1.5
6/18 16:10	37.6	↑1.5
6/18 16:20	39.1	↑1.5
6/18 16:30	40.5	↑1.4
6/18 16:40	41.8	↑1.3
6/18 16:50	43.1	↑1.3
6/18 17:00	44.3	↑1.2
6/18 17:10	45.4	↑1.1
6/18 17:20	46.5	↑1.1
6/18 17:30	47.4	↑0.9
6/18 17:40	48.3	↑0.9
6/18 17:50	49.1	↑0.8
6/18 18:00	49.8	↑0.7
6/18 18:10	50.4	↑0.6
6/18 18:20	50.9	↑0.5
6/18 18:30	51.3	↑0.4
6/18 18:40	51.7	↑0.4
6/18 18:50	52.0	↑0.3
6/18 19:00	52.2	↑0.2
6/18 19:10	52.4	↑0.2
6/18 19:20	52.5	↑0.1
6/18 19:30	52.5	0	満潮
6/18 19:40	52.5	0
6/18 19:50	52.5	0
6/18 20:00	52.5	0
6/18 20:10	52.4	↓-0.1
6/18 20:20	52.3	↓-0.1
6/18 20:30	52.2	↓-0.1
6/18 20:40	52.2	0
6/18 20:50	52.1	↓-0.1
6/18 21:00	52.1	0	干潮
6/18 21:10	52.1	0
6/18 21:20	52.2	↑0.1
6/18 21:30	52.3	↑0.1
6/18 21:40	52.5	↑0.2
6/18 21:50	52.7	↑0.2
6/18 22:00	53.0	↑0.3
6/18 22:10	53.4	↑0.4
6/18 22:20	53.9	↑0.5
6/18 22:30	54.5	↑0.6
6/18 22:40	55.1	↑0.6
6/18 22:50	55.9	↑0.8
6/18 23:00	56.8	↑0.9
6/18 23:10	57.8	↑1.0
6/18 23:20	58.9	↑1.1
6/18 23:30	60.0	↑1.1
6/18 23:40	61.3	↑1.3
6/18 23:50	62.7	↑1.4