20 (土)	06:18	14:46	-	-
	138cm	30cm	-	-
小潮 出 04:43 入 18:17 出 09:48 入 00:38 潮干狩り ○ 13:09～16:20

東静内（北海道）2002年04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
4/20 00:00	104.9	↑0.2
4/20 00:10	105.2	↑0.3
4/20 00:20	105.6	↑0.4
4/20 00:30	106.0	↑0.4
4/20 00:40	106.5	↑0.5
4/20 00:50	107.0	↑0.5
4/20 01:00	107.6	↑0.6
4/20 01:10	108.2	↑0.6
4/20 01:20	108.9	↑0.7
4/20 01:30	109.6	↑0.7
4/20 01:40	110.4	↑0.8
4/20 01:50	111.2	↑0.8
4/20 02:00	112.1	↑0.9
4/20 02:10	113.0	↑0.9
4/20 02:20	114.0	↑1.0
4/20 02:30	115.0	↑1.0
4/20 02:40	116.1	↑1.1
4/20 02:50	117.2	↑1.1
4/20 03:00	118.3	↑1.1
4/20 03:10	119.5	↑1.2
4/20 03:20	120.7	↑1.2
4/20 03:30	121.9	↑1.2
4/20 03:40	123.2	↑1.3
4/20 03:50	124.5	↑1.3
4/20 04:00	125.7	↑1.2
4/20 04:10	127.0	↑1.3
4/20 04:20	128.3	↑1.3
4/20 04:30	129.5	↑1.2
4/20 04:40	130.7	↑1.2
4/20 04:50	131.8	↑1.1
4/20 05:00	132.9	↑1.1
4/20 05:10	133.9	↑1.0
4/20 05:20	134.8	↑0.9
4/20 05:30	135.6	↑0.8
4/20 05:40	136.3	↑0.7
4/20 05:50	136.8	↑0.5
4/20 06:00	137.2	↑0.4
4/20 06:10	137.4	↑0.2	満潮
4/20 06:20	137.4	0
4/20 06:30	137.3	↓-0.1
4/20 06:40	136.9	↓-0.4
4/20 06:50	136.3	↓-0.6
4/20 07:00	135.6	↓-0.7
4/20 07:10	134.6	↓-1.0
4/20 07:20	133.3	↓-1.3
4/20 07:30	131.9	↓-1.4
4/20 07:40	130.2	↓-1.7
4/20 07:50	128.4	↓-1.8
4/20 08:00	126.3	↓-2.1
4/20 08:10	124.0	↓-2.3
4/20 08:20	121.6	↓-2.4
4/20 08:30	118.9	↓-2.7
4/20 08:40	116.1	↓-2.8
4/20 08:50	113.2	↓-2.9
4/20 09:00	110.1	↓-3.1
4/20 09:10	106.9	↓-3.2
4/20 09:20	103.6	↓-3.3
4/20 09:30	100.2	↓-3.4
4/20 09:40	96.8	↓-3.4
4/20 09:50	93.3	↓-3.5	最大潮位差
4/20 10:00	89.9	↓-3.4
4/20 10:10	86.4	↓-3.5	最大潮位差
4/20 10:20	82.9	↓-3.5	最大潮位差
4/20 10:30	79.4	↓-3.5	最大潮位差
4/20 10:40	76.0	↓-3.4
4/20 10:50	72.7	↓-3.3
4/20 11:00	69.4	↓-3.3
4/20 11:10	66.2	↓-3.2
4/20 11:20	63.1	↓-3.1
4/20 11:30	60.1	↓-3.0
4/20 11:40	57.2	↓-2.9
4/20 11:50	54.4	↓-2.8
4/20 12:00	51.8	↓-2.6
4/20 12:10	49.3	↓-2.5
4/20 12:20	46.9	↓-2.4
4/20 12:30	44.6	↓-2.3
4/20 12:40	42.5	↓-2.1
4/20 12:50	40.5	↓-2.0
4/20 13:00	38.7	↓-1.8
4/20 13:10	37.0	↓-1.7
4/20 13:20	35.5	↓-1.5
4/20 13:30	34.2	↓-1.3
4/20 13:40	32.9	↓-1.3
4/20 13:50	31.9	↓-1.0
4/20 14:00	31.0	↓-0.9
4/20 14:10	30.3	↓-0.7
4/20 14:20	29.8	↓-0.5
4/20 14:30	29.4	↓-0.4
4/20 14:40	29.2	↓-0.2	干潮
4/20 14:50	29.2	0
4/20 15:00	29.4	↑0.2
4/20 15:10	29.8	↑0.4
4/20 15:20	30.3	↑0.5
4/20 15:30	31.1	↑0.8
4/20 15:40	32.0	↑0.9
4/20 15:50	33.1	↑1.1
4/20 16:00	34.4	↑1.3
4/20 16:10	35.8	↑1.4
4/20 16:20	37.5	↑1.7
4/20 16:30	39.3	↑1.8
4/20 16:40	41.2	↑1.9
4/20 16:50	43.3	↑2.1
4/20 17:00	45.5	↑2.2
4/20 17:10	47.8	↑2.3
4/20 17:20	50.3	↑2.5
4/20 17:30	52.8	↑2.5
4/20 17:40	55.4	↑2.6
4/20 17:50	58.0	↑2.6
4/20 18:00	60.7	↑2.7
4/20 18:10	63.4	↑2.7
4/20 18:20	66.1	↑2.7
4/20 18:30	68.7	↑2.6
4/20 18:40	71.4	↑2.7
4/20 18:50	74.0	↑2.6
4/20 19:00	76.5	↑2.5
4/20 19:10	78.9	↑2.4
4/20 19:20	81.3	↑2.4
4/20 19:30	83.6	↑2.3
4/20 19:40	85.7	↑2.1
4/20 19:50	87.8	↑2.1
4/20 20:00	89.7	↑1.9
4/20 20:10	91.5	↑1.8
4/20 20:20	93.1	↑1.6
4/20 20:30	94.7	↑1.6
4/20 20:40	96.1	↑1.4
4/20 20:50	97.4	↑1.3
4/20 21:00	98.6	↑1.2
4/20 21:10	99.6	↑1.0
4/20 21:20	100.6	↑1.0
4/20 21:30	101.5	↑0.9
4/20 21:40	102.3	↑0.8
4/20 21:50	103.0	↑0.7
4/20 22:00	103.7	↑0.7
4/20 22:10	104.3	↑0.6
4/20 22:20	104.8	↑0.5
4/20 22:30	105.3	↑0.5
4/20 22:40	105.8	↑0.5
4/20 22:50	106.2	↑0.4
4/20 23:00	106.6	↑0.4
4/20 23:10	107.0	↑0.4
4/20 23:20	107.4	↑0.4
4/20 23:30	107.8	↑0.4
4/20 23:40	108.2	↑0.4
4/20 23:50	108.5	↑0.3